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# Grammarly vs Lightkey Comparison - What are their main differences?

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GrammarlyLightkey[+ Add Product](#)

Reviews

**Grammarly** [

4.7/5(14,076)

](https://www.g2.com/products/grammarly/reviews#reviews)

**Lightkey** [

4.9/5(22)

](https://www.g2.com/products/lightkey/reviews#reviews)

Pricing

**Grammarly**
Free Trial

No pricing available

**Lightkey**
Free Trial

**$49.95** · Lightkey Professional

**Pricing Insights**
from reviews

Time to Implement

**Grammarly**
1 month

Based on 243 responses

**Lightkey**
Not enough reviews yet

Return on Investment

**Grammarly**
10 months

Based on 227 responses

**Lightkey**
Not enough reviews yet

Perceived Cost

**Grammarly**
$$$$$

**Lightkey**
Not enough reviews yet

Average Discount

**Grammarly**
25%

**Lightkey**
Not enough reviews yet

Pros & Cons

**Grammarly**
[
Writing Improvement (1495)
](https://www.g2.com/products/grammarly/reviews?filters%5Bsentiment_snippet%5D=1076123&qs=pros-and-cons#reviews)[
Ease of Use (1195)
](https://www.g2.com/products/grammarly/reviews?filters%5Bsentiment_snippet%5D=1076139&qs=pros-and-cons#reviews)[
Incorrect Corrections (474)
](https://www.g2.com/products/grammarly/reviews?filters%5Bsentiment_snippet%5D=1076414&qs=pros-and-cons#reviews)[
Inaccuracy (368)
](https://www.g2.com/products/grammarly/reviews?filters%5Bsentiment_snippet%5D=1075264&qs=pros-and-cons#reviews)

**Lightkey**
[
Accuracy (1)
](https://www.g2.com/products/lightkey/reviews?filters%5Bsentiment_snippet%5D=1240008&qs=pros-and-cons#reviews)[
Customer Support (1)
](https://www.g2.com/products/lightkey/reviews?filters%5Bsentiment_snippet%5D=2321916&qs=pros-and-cons#reviews)[
Integration Issues (1)
](https://www.g2.com/products/lightkey/reviews?filters%5Bsentiment_snippet%5D=2231469&qs=pros-and-cons#reviews)[
Limited Compatibility (1)
](https://www.g2.com/products/lightkey/reviews?filters%5Bsentiment_snippet%5D=2231416&qs=pros-and-cons#reviews)

Integrations

**Grammarly**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_e89d21750715f4646ed61c011b2917dc/adobe-acrobat.png "Product Avatar Image")

Adobe Acrobat

](https://www.g2.com/products/adobe-acrobat/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_58773a1e58e3f3d274316b3188ec4584/adobe-acrobat-reader.png "Product Avatar Image")

Reader

](https://www.g2.com/products/adobe-acrobat-reader/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_0d6021e1f6253f85ed0eb22a67eb101b/adobe-photoshop.png "Product Avatar Image")

Photoshop

](https://www.g2.com/products/adobe-photoshop/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_6e4c5c61bf9e91b950f0ce3012d86591/ai-studios.jpg "Product Avatar Image")

AI Studios

](https://www.g2.com/products/ai-studios/reviews)[
View all
](https://www.g2.com/products/grammarly/integrations)

**Lightkey**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_7acfdfaefb5b50ab4956e2412d8fd5c8/microsoft-edge.png "Product Avatar Image")

Microsoft Edge

](https://www.g2.com/products/microsoft-edge/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_89403f91f420a370f25b6800af702d70/microsoft-word.png "Product Avatar Image")

Microsoft Word

](https://www.g2.com/products/microsoft-word/reviews)[
View all
](https://www.g2.com/products/lightkey/integrations)

Screenshots

**Grammarly**
 ![Grammarly screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/1571178/Superhuman-Launch-G2-Product-Statics-Grammarly-Proofreader-1920x1080.png)

**Lightkey**
 ![Lightkey screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/137211/Word-LearningCurve.jpg)

Ratings

Meets Requirements

**Grammarly**

9.2

9.210,596

**Lightkey**

9.4

9.411

Ease of Use

**Grammarly**

9.3

9.310,875

**Lightkey**

9.7

9.712

Ease of Setup

**Grammarly**

9.4

9.44,757

**Lightkey**
Not enough data

Ease of Admin

**Grammarly**

9.3

9.32,802

**Lightkey**
Not enough data

Quality of Support

**Grammarly**

9.0

9.06,879

**Lightkey**

10.0

10.012

Has the product been a good partner in doing business?

**Grammarly**

9.4

9.42,759

**Lightkey**
Not enough data

Product Direction (% positive)

**Grammarly**

9.4

9.410,843

**Lightkey**

7.7

7.710

Features

AI Writing Assistant[Hide 43 FeaturesShow 43 Features](javascript:void(0);)

8.6

7,136

9.0

7

Grammar

Grammar Check

9.6(won by 0.6)

5646

 (There is a greater than 0.5 difference between this product's rating and its competitors)

9.0

5

Tone Check

9.0(won by default)

5292

Feature Not Available

Sentence Formatting

9.2(won by default)

5346

Feature Not Available

Spell Check

10.0(won by default)

5

Not enough data

Formatting

Plagiarism Check

8.3(won by default)

4482

Feature Not Available

Style Editor

8.7(won by default)

4813

Feature Not Available

Citation Finder

7.8(won by default)

4106

Feature Not Available

Rich Text Editor

Not enough data

Not enough data

Content 

Content Ideas

8.5(won by default)

4571

Not enough data

Content Generation

8.3(won by default)

4343

Not enough data

Form Generation

7.9(won by default)

4028

Feature Not Available

Product Type

Standalone Application

8.5(won by default)

4372

Not enough data

Plugin

8.7(won by default)

4650

Not enough data

Generative AI

AI Text Generation

8.1(won by default)

3128

Not enough data

AI Text Summarization

8.1(won by default)

3074

Not enough data

Generative AI

Not enough data

Not enough data

Additional Functionality

Revision History

Not enough data

Not enough data

Assisted Content Creation

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Templates

Not enough data

Not enough data

Search

Not enough data

Not enough data

Tone Selection

Not enough data

Not enough data

Multi-Language

Not enough data

Not enough data

Tagging

Not enough data

Not enough data

Autocomplete

Not enough data

Not enough data

Document Export

Not enough data

Not enough data

Dictionary/Thesaurus

Not enough data

Not enough data

Snippets

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Workflow Management

Not enough data

Not enough data

Customizable Templates

Not enough data

Not enough data

Customizable Rules

Not enough data

Not enough data

API

Not enough data

Not enough data

Autocorrect

Not enough data

Not enough data

Natural Language Processing

Not enough data

Not enough data

Language Detection

Not enough data

Not enough data

Keyword Research Tools

Not enough data

Not enough data

Plagiarism Detection

Not enough data

Not enough data

Text Editing

Not enough data

Not enough data

Auto-Save

Not enough data

Not enough data

Brand Guidelines

Not enough data

Not enough data

Plagiarism Checker[Hide 61 FeaturesShow 61 Features](javascript:void(0);)

8.4

1,934

Not enough data

Database Type

Custom Database

8.2(won by default)

1219

Not enough data

Internet Content

8.6(won by default)

1294

Not enough data

Proprietary Database

8.2(won by default)

1199

Not enough data

Academic Databases

8.2(won by default)

1218

Not enough data

Multiple Data Sources

Not enough data

Not enough data

Source Database

Not enough data

Not enough data

Single Sign On

Not enough data

Not enough data

Content Features

Private Cloud

8.0(won by default)

1193

Not enough data

CMS Integrations

8.0(won by default)

1172

Not enough data

Itemized Reporting

8.1(won by default)

1189

Not enough data

Real-Time Evaluation

8.8(won by default)

1313

Not enough data

Real-Time Reporting

Not enough data

Not enough data

Ad hoc Reporting

Not enough data

Not enough data

Software Type

Browser Application

8.9(won by default)

1364

Not enough data

Desktop Application

8.8(won by default)

1337

Not enough data

Additional Functionality

Reference Checking

Not enough data

Not enough data

Secure Login

Not enough data

Not enough data

Multiple File Format Support

Not enough data

Not enough data

Document Management

Not enough data

Not enough data

Real Time Comparisons

Not enough data

Not enough data

Customizable Categories

Not enough data

Not enough data

Document Templates

Not enough data

Not enough data

Sentiment Analysis

Not enough data

Not enough data

Text Similarity Detection

Not enough data

Not enough data

Side-by-Side Comparison

Not enough data

Not enough data

Academic/Education

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Real-Time Analytics

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

Text Editing

Not enough data

Not enough data

User Management

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Natural Language Search

Not enough data

Not enough data

Categorization/Grouping

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Grammar Check

Not enough data

Not enough data

Mobile Alerts

Not enough data

Not enough data

Summary Reports

Not enough data

Not enough data

Full Text Search

Not enough data

Not enough data

Multi-Language

Not enough data

Not enough data

File Management

Not enough data

Not enough data

API

Not enough data

Not enough data

SSL Security

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Corporate/Business

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Content Scan

Not enough data

Not enough data

Document Review

Not enough data

Not enough data

Content Management

Not enough data

Not enough data

Performance Management

Not enough data

Not enough data

Bulk Uploading

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Multiple User Accounts

Not enough data

Not enough data

Customizable Reports

Not enough data

Not enough data

Content Library

Not enough data

Not enough data

Spell Check

Not enough data

Not enough data

Duplicate Detection

Not enough data

Not enough data

Proofreading[Hide 63 FeaturesShow 63 Features](javascript:void(0);)

8.4

9,122

Not enough data

Grammar Tools

Vocabulary Recommendations

8.9(won by default)

7621

Not enough data

Sentence Rephrasing

8.8(won by default)

7732

Not enough data

Dictionary

8.8(won by default)

7300

Not enough data

Writing Support

Text Reader

8.2(won by default)

6605

Not enough data

Machine Translation

7.7(won by default)

5937

Not enough data

Custom Style Guides

8.2(won by default)

6437

Not enough data

Reporting

8.2(won by default)

6245

Not enough data

Software Availability

Word Processor

8.8(won by default)

6911

Not enough data

Integrations

8.5(won by default)

6787

Not enough data

Browser Plug-In

8.8(won by default)

7223

Not enough data

Generative AI

AI Text Generation

7.8(won by default)

5002

Not enough data

AI Text Summarization

7.8(won by default)

4953

Not enough data

AI Text-to-Speech

Feature Not Available

Not enough data

Generative AI

Not enough data

Not enough data

Additional Functionality

Monitoring

Not enough data

Not enough data

Text Editing

Not enough data

Not enough data

Grammar Check

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Full Text Search

Not enough data

Not enough data

Customizable Templates

Not enough data

Not enough data

Duplicate Detection

Not enough data

Not enough data

Template Management

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Multiple User Accounts

Not enough data

Not enough data

API

Not enough data

Not enough data

Single Sign On

Not enough data

Not enough data

Summary Reports

Not enough data

Not enough data

Filtering

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Punctuation Check

Not enough data

Not enough data

Style Check

Not enough data

Not enough data

User Management

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Document Templates

Not enough data

Not enough data

Contextual Guidance

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Dictionary/Thesaurus

Not enough data

Not enough data

Customizable Reports

Not enough data

Not enough data

Document Review

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Mobile Alerts

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Synchronous Editing

Not enough data

Not enough data

Text Review

Not enough data

Not enough data

Rich Text Editor

Not enough data

Not enough data

Mobile Access

Not enough data

Not enough data

Customizable Categories

Not enough data

Not enough data

Spell Check

Not enough data

Not enough data

Content Management

Not enough data

Not enough data

Natural Language Search

Not enough data

Not enough data

Multi-Language

Not enough data

Not enough data

Content Library

Not enough data

Not enough data

Sentiment Analysis

Not enough data

Not enough data

Problem Area Alerts

Not enough data

Not enough data

Multiple Format Support

Not enough data

Not enough data

Multiple Data Sources

Not enough data

Not enough data

Real-Time Updates

Not enough data

Not enough data

Real Time Comparisons

Not enough data

Not enough data

Plagiarism Detection

Not enough data

Not enough data

Real-Time Analytics

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Customizable Branding

Not enough data

Not enough data

Show 3 feature categories with incomplete data

Artificial Intelligence[Hide 37 FeaturesShow 37 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

Tagging

Not enough data

Not enough data

Natural Language Processing

Not enough data

Not enough data

Data Extraction

Not enough data

Not enough data

Multi-Language

Not enough data

Not enough data

Predictive Analytics

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Speech Recognition

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Data Storage Management

Not enough data

Not enough data

Virtual Personal Assistant (VPA)

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Customer Segmentation

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

For eCommerce

Not enough data

Not enough data

Role-Based Permissions

Not enough data

Not enough data

Customizable Branding

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Document Management

Not enough data

Not enough data

API

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Trend Analysis

Not enough data

Not enough data

Machine Learning

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Alerts/Escalation

Not enough data

Not enough data

Performance Metrics

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Mobile App

Not enough data

Not enough data

Multiple Data Sources

Not enough data

Not enough data

For Sales Teams/Organizations

Not enough data

Not enough data

Sentiment Analysis

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Chatbot

Not enough data

Not enough data

Workflow Automation

Not enough data

Not enough data

Collaboration & Productivity[Hide 45 FeaturesShow 45 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

Third-Party Integrations

Not enough data

Not enough data

To-Do List

Not enough data

Not enough data

@mentions

Not enough data

Not enough data

Single Sign On

Not enough data

Not enough data

File Management

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Prioritization

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Screen Sharing

Not enough data

Not enough data

Content Management

Not enough data

Not enough data

Brainstorming

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

File Transfer

Not enough data

Not enough data

Calendar Management

Not enough data

Not enough data

Status Tracking

Not enough data

Not enough data

Real-Time Notifications

Not enough data

Not enough data

Version Control

Not enough data

Not enough data

Task Management

Not enough data

Not enough data

Activity Tracking

Not enough data

Not enough data

Real Time Editing

Not enough data

Not enough data

Communication Management

Not enough data

Not enough data

Chat/Messaging

Not enough data

Not enough data

Tagging

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Assignment Management

Not enough data

Not enough data

Task Scheduling

Not enough data

Not enough data

Project Management

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Workflow Management

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

File Sharing

Not enough data

Not enough data

Document Storage

Not enough data

Not enough data

Task Progress Tracking

Not enough data

Not enough data

Discussions/Forums

Not enough data

Not enough data

Commenting/Notes

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Contact Management

Not enough data

Not enough data

Video Conferencing

Not enough data

Not enough data

Progress Tracking

Not enough data

Not enough data

Mobile Access

Not enough data

Not enough data

API

Not enough data

Not enough data

Document Management

Not enough data

Not enough data

Customizable Branding

Not enough data

Not enough data

Text Editor[Hide 12 FeaturesShow 12 Features](javascript:void(0);)

Not enough data

Not enough data

Coding

Syntax highlighting

Not enough data

Not enough data

Autocompletion

Not enough data

Not enough data

Find and replace

Not enough data

Not enough data

Code folding

Not enough data

Not enough data

Editing

Collaborative editing

Not enough data

Not enough data

Language Support

Not enough data

Not enough data

Selection Methods

Not enough data

Not enough data

Functionality

Extensibility

Not enough data

Not enough data

Cross-platform support

Not enough data

Not enough data

Plugins and integrations

Not enough data

Not enough data

Security

Not enough data

Not enough data

Agentic AI - Landing Page Builders

Cross-system Integration

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![Grammarly](https://images.g2crowd.com/uploads/product/hd_favicon/bf78c36e6d40b89101b877b7a7c46f2d/grammarly.svg "Grammarly")](https://www.g2.com/products/grammarly/reviews)

Grammarly

Small-Business(50 or fewer emp.)

52.3%

Mid-Market(51-1000 emp.)

35.4%

Enterprise(\> 1000 emp.)

12.3%

[![Lightkey](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_5f45562055866d97a42a35028338185b/lightkey.png "Lightkey")](https://www.g2.com/products/lightkey/reviews)

Lightkey

Small-Business(50 or fewer emp.)

77.8%

Mid-Market(51-1000 emp.)

16.7%

Enterprise(\> 1000 emp.)

5.6%

Small-Business

(50 or fewer emp.)

52.3%

77.8%

Mid-Market

(51-1000 emp.)

35.4%

16.7%

Enterprise

(\> 1000 emp.)

12.3%

5.6%

Reviewers' Industry

[![Grammarly](https://images.g2crowd.com/uploads/product/hd_favicon/bf78c36e6d40b89101b877b7a7c46f2d/grammarly.svg "Grammarly")](https://www.g2.com/products/grammarly/reviews)
Grammarly

Non-Profit Organization Management

11.8%

Marketing and Advertising

7.9%

Computer Software

7.7%

Information Technology and Services

7.4%

Higher Education

4.6%

Other

60.5%

[![Lightkey](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_5f45562055866d97a42a35028338185b/lightkey.png "Lightkey")](https://www.g2.com/products/lightkey/reviews)
Lightkey

Law Practice

11.1%

Financial Services

11.1%

Computer Software

11.1%

Venture Capital & Private Equity

5.6%

Translation and Localization

5.6%

Other

55.6%

FAQs

## Grammarly vs Lightkey FAQs

Generated using AI

Last updated: August 15, 2026

### What is the difference between Grammarly vs Lightkey?

Grammarly and Lightkey differ most clearly in reviewer volume, feature breadth, and support scores.

| [Grammarly](https://www.g2.com/products/grammarly/reviews) | [Lightkey](https://www.g2.com/products/lightkey/reviews) |
| --- | --- |
| 4.7/5 (14,066 reviews) | 4.9/5 (21 reviews) |
| Small-Business | Small-Business |
| 9.4 | — |
| 9.0 | 10.0 |
| Ease of Use (1,765 all-time mentions) | Accuracy (recent reviews) |

### How do the pricing models of Grammarly and Lightkey compare?

Grammarly and Lightkey are rated at parity on value, with reviewers expressing satisfaction with both products' pricing.

- **Grammarly:** In recent reviews, several users note that while the Pro plan is considered a bit high for students, most find the value justified by the breadth of features and writing improvement.
- **Lightkey:** Reviewers describe the Pro version as "completely worth it" for the productivity gains, with some noting affordable lifetime and annual subscription options.

### What are the best alternatives to Grammarly and Lightkey?

The top three alternatives to Grammarly and Lightkey are ProWritingAid, Writesonic, and Jasper.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [Grammarly](https://www.g2.com/products/grammarly/reviews) | 4.7/5 (14,066 reviews) | Small-Business | Pro plan considered a bit high for students, but strong value for features | Ease of Use (1,765 all-time mentions) |
| [Lightkey](https://www.g2.com/products/lightkey/reviews) | 4.9/5 (21 reviews) | Small-Business | Pro version described as worth it for productivity | Accuracy (recent reviews) |
| [ProWritingAid](https://www.g2.com/products/prowritingaid/reviews) | 4.5/5 (51 reviews) | Small-Business | — | Comprehensive editing tools (recent reviews) |
| [Writesonic](https://www.g2.com/products/writesonic/reviews) | 4.7/5 (2,124 reviews) | — | — | AI content generation (recent reviews) |
| [Jasper](https://www.g2.com/products/jasper-ai/reviews) | 4.7/5 (1,274 reviews) | Small-Business | — | AI-powered writing (recent reviews) |

### Which AI Writing Assistant features should I prioritize when comparing Grammarly and Lightkey?

Buyers should prioritize accuracy, ease of use, writing improvement, integrations, and support quality when comparing Grammarly and Lightkey.

- **Accuracy:** Grammarly (871 all-time mentions), Lightkey (recent reviews highlight accuracy as a top strength)
- **Ease of Use:** Grammarly (1,765 all-time mentions, 9.3 score), Lightkey (recent reviews, 9.7 score)
- **Writing Improvement:** Grammarly (1,495 all-time mentions), Lightkey (recent reviews cite productivity and speed)
- **Integrations:** Grammarly (412 all-time mentions), Lightkey (recent reviews note limited compatibility)
- **Support Quality:** Grammarly (9.0 score), Lightkey (10.0 score, recent reviews praise support responsiveness)

### What are the pros and cons of Grammarly vs Lightkey?

Grammarly's headline strength is ease of use and breadth of writing improvement features, while Lightkey's is accuracy and productivity gains.

- **Grammarly strengths:** Ease of Use (1,765 all-time mentions), Writing Improvement (1,495), Suggestions (992), Accuracy (871), Integrations (412), Professional Writing (496), AI Features (361)
- **Grammarly trade-offs:** Incorrect Suggestions (425), Irrelevant Suggestions (393), Inaccuracy (368), Premium features locked behind paywall (recent reviews)
- **Lightkey strengths:** Accuracy (recent reviews), Productivity Improvement (recent reviews), Speed (recent reviews), Customer Support (recent reviews)
- **Lightkey trade-offs:** Limited Compatibility (recent reviews), Plugin Issues (recent reviews), Integration Issues (recent reviews), Windows-only support (recent reviews)

### Is Grammarly or Lightkey better for small businesses?

Grammarly is the stronger fit for small businesses, supported by its large small-business segment and extensive reviewer base.

- **Grammarly:** Largest segment is Small-Business, with reviewers consistently citing ease of use, writing improvement, and professional communication as key benefits for small teams.
- **Lightkey:** Largest segment is Small-Business, with reviewers highlighting productivity and accuracy, but with a much smaller review base and more limited compatibility.

### Which AI Writing Assistant platform has better integrations?

Grammarly is favored for integrations, with hundreds of reviewers citing integration capabilities.

- **Grammarly:** 412 all-time reviews mention integrations, with recent reviews specifically citing Confluence and broad browser, desktop, and collaboration tool support.
- **Lightkey:** Recent reviews mention integration with Outlook and Word, but also note limited compatibility and desire for more browser and email plugins.

### How do Grammarly and Lightkey compare on customer support?

Lightkey leads on Quality of Support with a perfect 10.0 score, a full point above Grammarly's 9.0, a material difference.

- **Grammarly:** Reviewers rate support at 9.0, with recent feedback describing support as helpful but not always immediate.
- **Lightkey:** Reviewers rate support at 10.0, with multiple recent reviews praising "A+" and "incredibly fast" support experiences.

### Which is easier to implement, Grammarly or Lightkey?

Grammarly and Lightkey are rated at parity on Ease of Setup, with reviewers describing both as straightforward to implement.

- **Grammarly:** Ease of Setup score is 9.4, with many reviewers describing setup as "very easy" or "one click" and requiring minimal technical skill.
- **Lightkey:** Recent reviews describe installation as "a breeze" and "very easy and quick," with no significant setup barriers reported.

### Which product has better Plugin?

Grammarly is favored for Plugin, with more reviewer-cited integrations and plugin mentions.

- **Grammarly:** 412 all-time reviews mention integrations, with recent reviews highlighting the Outlook Plugin as especially helpful for daily use.
- **Lightkey:** Recent reviews note plugin issues and limited plugin availability, with requests for more browser and email plugins.

Alternatives

**Grammarly Alternatives**

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**Lightkey Alternatives**

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