# Grammarly vs Lightkey Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Grammarly excels in overall user satisfaction, boasting a high G2 Score that reflects its strong performance and reliability. Users appreciate its comprehensive features, such as grammar checking, tone detection, and the ability to assist with writer's block, making it a go-to tool for many.
- **Users say** that Lightkey offers a unique advantage for those who need assistance with typing speed, particularly for individuals with disabilities. One user highlighted how it has transformed their typing experience, allowing them to communicate more easily and efficiently.
- **Reviewers mention** that Grammarly's ease of use is a standout feature, with many praising its intuitive interface that catches mistakes effectively. This user-friendly design is particularly beneficial for those who may not be tech-savvy, ensuring a smooth writing experience.
- **According to verified reviews** , Lightkey shines in its customization options, allowing users to tailor the software to their specific preferences. This flexibility is appreciated by users who want a more personalized experience, enhancing their overall productivity.
- **G2 reviewers highlight** that Grammarly's support quality is commendable, with users noting the responsiveness and helpfulness of the support team. This level of support can be crucial for users who encounter issues or need guidance while using the software.
- **Users report** that while Lightkey has a smaller user base and fewer recent reviews, it still provides fast tech support and a time-saving experience. However, the lack of recent feedback may raise concerns about its ongoing development and community engagement compared to Grammarly's active user base.



| | Grammarly | Lightkey | 
|---|---|---|
| **Star Rating** | 4.7 out of 5 | 4.9 out of 5 | 
| **Total Reviews** | 13,800 | 20 | 
| **Largest Market Segment** | Small-Business (52.1% of reviews) | Small-Business (77.8% of reviews) | 
| **Entry Level Price** | No pricing available | $49.95 | 

---
## Top Pros & Cons

### Grammarly

Pros:
- Writing Improvement (1495 reviews)
- Ease of Use (1195 reviews)

Cons:
- Incorrect Corrections (474 reviews)
- Inaccuracy (368 reviews)

### Lightkey

Pros:
- Ease of Use (2 reviews)
- Productivity Improvement (2 reviews)

Cons:
- Integration Issues (1 reviews)
- Limited Compatibility (1 reviews)

---
## Ratings Comparison
| Rating | Grammarly | Lightkey | 
|---|---|---|
  | **Meets Requirements** | 9.2 (10465 reviews) | 9.4 (11 reviews) | 
  | **Ease of Use** | 9.3 (10737 reviews) | 9.7 (12 reviews) | 
  | **Ease of Setup** | 9.4 (4619 reviews) | Not enough data | 
  | **Ease of Admin** | 9.3 (2733 reviews) | Not enough data | 
  | **Quality of Support** | 9.0 (6795 reviews) | 10.0 (12 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.4 (2688 reviews) | Not enough data | 
  | **Product Direction (% positive)** | 9.4 (10736 reviews) | 7.7 (10 reviews) | 

---
## Pricing

### Grammarly

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Lightkey

#### Entry-Level Pricing

Plan: Lightkey Professional

Price: $49.95

Description: Save unlimited keystrokes in MS Office, Chrome & Edge + advanced features

Key Features:
- Save unlimited keystrokes
- Text prediction & real-time correction
- MS Office, Chrome & Edge integration

[Browse all 3 editions](https://www.g2.com/products/lightkey/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Text Editor

| Product | Score | Reviews |
|---|---|---|
| **Grammarly** | N/A | N/A |
| **Lightkey** | N/A | N/A |

#### Coding

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **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

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **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

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **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

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Cross-system Integration** | Not enough data | Not enough data | 

### AI Writing Assistant

| Product | Score | Reviews |
|---|---|---|
| **Grammarly** | 8.5/10 | 6949 |
| **Lightkey** | 9.0/10 | 6 |

#### Grammar

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Grammar Check** | 9.6 (5537 reviews) | 9.0 (5 reviews) | 
| **Tone Check** | 9.0 (5249 reviews) | Feature Not Available | 
| **Sentence Formatting** | 9.2 (5301 reviews) | Feature Not Available | 

#### Formatting

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Plagiarism Check** | 8.3 (4479 reviews) | Feature Not Available | 
| **Style Editor** | 8.7 (4794 reviews) | Feature Not Available | 
| **Citation Finder** | 7.8 (4106 reviews) | Feature Not Available | 

#### Content 

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Idea Recommendation** | 8.5 (4560 reviews) | Not enough data | 
| **Content Generation** | 8.3 (4325 reviews) | Not enough data | 
| **Form Generation** | 7.9 (4030 reviews) | Feature Not Available | 

#### Product Type

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Standalone Application** | 8.5 (4368 reviews) | Not enough data | 
| **Plugin** | 8.7 (4611 reviews) | Not enough data | 

#### Generative AI

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **AI Text Generation** | 8.1 (3119 reviews) | Not enough data | 
| **AI Text Summarization** | 8.1 (3075 reviews) | Not enough data | 

### Plagiarism Checker

| Product | Score | Reviews |
|---|---|---|
| **Grammarly** | 8.4/10 | 1923 |
| **Lightkey** | N/A | N/A |

#### Database Type

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Custom Database** | 8.2 (1222 reviews) | Not enough data | 
| **Internet Content** | 8.6 (1295 reviews) | Not enough data | 
| **Proprietary Database** | 8.2 (1201 reviews) | Not enough data | 
| **Academic Databases** | 8.2 (1220 reviews) | Not enough data | 

#### Content Features

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Private Cloud** | 8.0 (1194 reviews) | Not enough data | 
| **CMS Integrations** | 8.0 (1174 reviews) | Not enough data | 
| **Itemized Reporting** | 8.1 (1192 reviews) | Not enough data | 
| **Real-Time Evaluation** | 8.8 (1312 reviews) | Not enough data | 

#### Software Type

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Browser Application** | 8.9 (1362 reviews) | Not enough data | 
| **Desktop Application** | 8.8 (1338 reviews) | Not enough data | 

### Proofreading

| Product | Score | Reviews |
|---|---|---|
| **Grammarly** | 8.4/10 | 9068 |
| **Lightkey** | N/A | N/A |

#### Grammar Tools

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Vocabulary Recommendations** | 8.9 (7602 reviews) | Not enough data | 
| **Sentence Rephrasing** | 8.8 (7707 reviews) | Not enough data | 
| **Dictionary** | 8.8 (7294 reviews) | Not enough data | 

#### Writing Support

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Text Reader** | 8.2 (6606 reviews) | Not enough data | 
| **Machine Translation** | 7.7 (5937 reviews) | Not enough data | 
| **Custom Style Guides** | 8.2 (6436 reviews) | Not enough data | 
| **Reporting** | 8.2 (6246 reviews) | Not enough data | 

#### Software Availability

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **Word Processor** | 8.8 (6910 reviews) | Not enough data | 
| **Integrations** | 8.5 (6781 reviews) | Not enough data | 
| **Browser Plug-In** | 8.8 (7211 reviews) | Not enough data | 

#### Generative AI

| Feature | Grammarly | Lightkey | 
|---|---|---|
| **AI Text Generation** | 7.8 (4997 reviews) | Not enough data | 
| **AI Text-to-Speech** | Feature Not Available | Not enough data | 
| **AI Text Summarization** | 7.8 (4952 reviews) | Not enough data | 

---
## Categories
**Shared Categories (1):** [AI Writing Assistants](https://www.g2.com/categories/ai-writing-assistant)

**Unique to Grammarly (2):** [Plagiarism Checker Software](https://www.g2.com/categories/plagiarism-checker), [Proofreading Software](https://www.g2.com/categories/proofreading)

**Unique to Lightkey (1):** [Text Editor Software](https://www.g2.com/categories/text-editor)


---
## Reviewer Demographics

### By Company Size

| Segment | Grammarly | Lightkey | 
|---|---|---|
| **Small-Business** | 52.1% | 77.8% | 
| **Mid-Market** | 35.7% | 16.7% | 
| **Enterprise** | 12.3% | 5.6% | 

### By Industry

#### Grammarly

- **Non-Profit Organization Management:** 11.9%
- **Marketing and Advertising:** 8.0%
- **Computer Software:** 7.7%
- **Information Technology and Services:** 7.4%
- **Higher Education:** 4.6%
- **Education Management:** 3.9%
- **Financial Services:** 3.1%
- **Primary/Secondary Education:** 2.6%
- **Consulting:** 2.4%
- **Hospital & Health Care:** 2.3%
- **Other:** 46.1%

#### Lightkey

- **Law Practice:** 11.1%
- **Financial Services:** 11.1%
- **Computer Software:** 11.1%
- **Venture Capital & Private Equity:** 5.6%
- **Translation and Localization:** 5.6%
- **Publishing:** 5.6%
- **Public Relations and Communications:** 5.6%
- **Mechanical or Industrial Engineering:** 5.6%
- **Marketing and Advertising:** 5.6%
- **Management Consulting:** 5.6%
- **Other:** 27.8%

---
## Alternatives

### Alternatives to Grammarly

- [ProWritingAid](https://www.g2.com/products/prowritingaid/reviews) — 4.5/5 stars (48 reviews)
- [Writesonic](https://www.g2.com/products/writesonic/reviews) — 4.7/5 stars (2115 reviews)
- [Jasper](https://www.g2.com/products/jasper-ai/reviews) — 4.7/5 stars (1270 reviews)
- [Rytr](https://www.g2.com/products/rytr/reviews) — 4.7/5 stars (819 reviews)
- [Semrush](https://www.g2.com/products/semrush/reviews) — 4.4/5 stars (3972 reviews)
- [Pepper](https://www.g2.com/products/pepper-content-pepper/reviews) — 4.6/5 stars (496 reviews)
- [Anyword](https://www.g2.com/products/anyword/reviews) — 4.8/5 stars (1228 reviews)
- [Wordtune](https://www.g2.com/products/ai21labs-wordtune/reviews) — 4.6/5 stars (201 reviews)
- [Simplified](https://www.g2.com/products/simplified/reviews) — 4.6/5 stars (5008 reviews)
- [Notion](https://www.g2.com/products/notion/reviews) — 4.6/5 stars (12019 reviews)

### Alternatives to Lightkey

- [Jasper](https://www.g2.com/products/jasper-ai/reviews) — 4.7/5 stars (1270 reviews)
- [Rytr](https://www.g2.com/products/rytr/reviews) — 4.7/5 stars (819 reviews)
- [TextCortex](https://www.g2.com/products/textcortex/reviews) — 4.7/5 stars (868 reviews)
- [Writesonic](https://www.g2.com/products/writesonic/reviews) — 4.7/5 stars (2115 reviews)
- [Anyword](https://www.g2.com/products/anyword/reviews) — 4.8/5 stars (1228 reviews)
- [Notepad++](https://www.g2.com/products/notepad/reviews) — 4.6/5 stars (2473 reviews)
- [GravityWrite](https://www.g2.com/products/gravitywrite/reviews) — 4.5/5 stars (650 reviews)
- [UltraEdit](https://www.g2.com/products/ultraedit/reviews) — 4.7/5 stars (1123 reviews)
- [Hive](https://www.g2.com/products/hive-hive-hive/reviews) — 4.6/5 stars (666 reviews)
- [Visual Studio Code](https://www.g2.com/products/visual-studio-code/reviews) — 4.7/5 stars (2706 reviews)

---
## Top Discussions

### Grammarly

- Title: [How the readability score in Grammarly calculated? And what does it means?](https://www.g2.com/discussions/how-the-readability-score-in-grammarly-calculated-and-what-does-it-means) — 98 comments, 3 upvotes
  > **Top comment:** "Grammarly's readability score is based on the average length of sentences and words in your document, using a formula known as the Flesch reading ease test...."
- Title: [What are the benefits of using Grammarly Business for maintaining professionalism and clarity in business communication?](https://www.g2.com/discussions/what-are-the-benefits-of-using-grammarly-business-for-maintaining-professionalism-and-clarity-in-business-communication) — 17 comments, 4 upvotes
  > **Top comment:** "It helps with ensuring that your correspondence is precise and written with clarity."
- Title: [Is it possible to install it on all apps including powerpoint and browsers?](https://www.g2.com/discussions/is-it-possible-to-install-it-on-all-apps-including-powerpoint-and-browsers) — 12 comments, 1 upvote
  > **Top comment:** "When you download the correct extensions, it should work with many of your apps. It doesn't apply to all of them, however - excel for example - but it's..."
- Title: [What is Grammarly Business used for?](https://www.g2.com/discussions/what-is-grammarly-business-used-for) — 5 comments, 7 upvotes
  > **Top comment:** "In writing effective emails with right tone and no mistakes!"
- Title: [What is the business model of Grammarly?](https://www.g2.com/discussions/what-is-the-business-model-of-grammarly) — 4 comments, 2 upvotes
  > **Top comment:** "Grammarly's business model revolves around providing a premium grammar and spell-checking service for individuals, teams, and enterprise customers. The..."

### Lightkey

- Title: [Does LightKey work on PC?](https://www.g2.com/discussions/lightkey-does-lightkey-work-on-pc) — 1 comment
  > **Top comment:** "Lightkey absolutely works on PCs.  Installation and integration are both incredibly simple with Microsoft Office products and many others."
- Title: [Does LightKey work on PC?](https://www.g2.com/discussions/does-lightkey-work-on-pc) — 1 comment
  > **Top comment:** "Yes."
- Title: [Is LightKey any good?](https://www.g2.com/discussions/lightkey-is-lightkey-any-good) — 1 comment
  > **Top comment:** "Lightkey is an incredibly useful tool for those of us who write all day, and it would be useful to others, who simply use it as a tool to reply to emails..."
- Title: [Is LightKey any good?](https://www.g2.com/discussions/is-lightkey-any-good) — 1 comment
  > **Top comment:** "Very good!"
- Title: [What is LightKey software?](https://www.g2.com/discussions/lightkey-what-is-lightkey-software) — 1 comment
  > **Top comment:** "As the official description says, "Lightkey is a free AI-powered writing assistant for Windows, offering real-time text predictions, spelling & grammar..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/grammarly-vs-lightkey)