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# Flutter vs OutSystems Comparison - What are their main differences?

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Reviews

**Flutter** [

4.6/5(72)

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

**OutSystems** [

4.5/5(1,802)

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

Pricing

**Flutter**
No pricing available

**OutSystems**
Free Trial

**$0.00** · Free

**Pricing Insights**
from reviews

Time to Implement

**Flutter**
Not enough reviews yet

**OutSystems**
4 months

Based on 30 responses

Return on Investment

**Flutter**
Not enough reviews yet

**OutSystems**
15 months

Based on 21 responses

Perceived Cost

**Flutter**
$$$$$

**OutSystems**
$$$$$

Average Discount

**Flutter**
Not enough reviews yet

**OutSystems**
12%

Pros & Cons

**Flutter**
[
Cross-Platform Compatibility (3)
](https://www.g2.com/products/flutter/reviews?filters%5Bsentiment_snippet%5D=1665589&qs=pros-and-cons#reviews)[
Ease of Use (2)
](https://www.g2.com/products/flutter/reviews?filters%5Bsentiment_snippet%5D=1666041&qs=pros-and-cons#reviews)[
Limited Functionality (2)
](https://www.g2.com/products/flutter/reviews?filters%5Bsentiment_snippet%5D=2251850&qs=pros-and-cons#reviews)[
Dependency Issues (1)
](https://www.g2.com/products/flutter/reviews?filters%5Bsentiment_snippet%5D=2291082&qs=pros-and-cons#reviews)

**OutSystems**
[
Ease of Use (156)
](https://www.g2.com/products/outsystems/reviews?filters%5Bsentiment_snippet%5D=1142836&qs=pros-and-cons#reviews)[
Speed of Development (127)
](https://www.g2.com/products/outsystems/reviews?filters%5Bsentiment_snippet%5D=1142501&qs=pros-and-cons#reviews)[
Expensive (52)
](https://www.g2.com/products/outsystems/reviews?filters%5Bsentiment_snippet%5D=1142388&qs=pros-and-cons#reviews)[
Cost Issues (46)
](https://www.g2.com/products/outsystems/reviews?filters%5Bsentiment_snippet%5D=1143748&qs=pros-and-cons#reviews)

Integrations

**Flutter**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_c4b7c5800b909ccc6545374f8e9b5f80/google-admob.png "Product Avatar Image")

Google AdMob

](https://www.g2.com/products/google-admob/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_c4f3e03d3fd3e972488f9a3a4d1c2d24/n8n.png "Product Avatar Image")

n8n

](https://www.g2.com/products/n8n/reviews)[
View all
](https://www.g2.com/products/flutter/integrations)

**OutSystems**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_ae4fb3e8ed69ec823d7d67868991afe0/alfa-systems.png "Product Avatar Image")

Alfa Systems

](https://www.g2.com/products/alfa-systems/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_dd674051aa4dc7d0dfc8b7737b799e0b/aws-bedrock.jpg "Product Avatar Image")

AWS Bedrock

](https://www.g2.com/products/aws-bedrock/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_b3390b4cc3d92e87d570895f7358c003/aws-lambda.jpg "Product Avatar Image")

AWS Lambda

](https://www.g2.com/products/aws-lambda/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_f176b4154a751d10150daa67a57b7dc5/azure-active-directory-domain-services.jpg "Product Avatar Image")

Azure Active Directory...

](https://www.g2.com/products/azure-active-directory-domain-services/reviews)[
View all
](https://www.g2.com/products/outsystems/integrations)

Screenshots

**Flutter**
No screenshot available

**OutSystems**
 ![OutSystems 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/1329692/Screen-Shot-2023-07-13-at-9.57.43-PM.png)

Ratings

Meets Requirements

**Flutter**

9.0

9.051

**OutSystems**

8.9

8.9862

Ease of Use

**Flutter**

9.2

9.251

**OutSystems**

9.1

9.11,399

Ease of Setup

**Flutter**

9.0

9.017

**OutSystems**

8.7

8.71,083

Ease of Admin

**Flutter**

8.8

8.811

**OutSystems**

8.5

8.5515

Quality of Support

**Flutter**

8.4

8.449

**OutSystems**

8.5

8.5845

Has the product been a good partner in doing business?

**Flutter**

9.1

9.111

**OutSystems**

8.8

8.8493

Product Direction (% positive)

**Flutter**

9.5

9.548

**OutSystems**

9.2

9.2834

Features

Application Development Platforms[Hide 57 FeaturesShow 57 Features](javascript:void(0);)

Not enough data

8.6

574

Additional Functionality

Continuous Integration

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Backup and Recovery

Not enough data

Not enough data

Multiple Programming Languages Supported

Not enough data

Not enough data

Continuous Deployment

Not enough data

Not enough data

Code Development

Not enough data

Not enough data

For No-Code Development

Not enough data

Not enough data

Version Control

Not enough data

Not enough data

Configurable Workflow

Not enough data

Not enough data

Graphical User Interface

Not enough data

Not enough data

For Low-Code Development

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

UI Prototyping

Not enough data

Not enough data

Source Control

Not enough data

Not enough data

Software Development

Not enough data

Not enough data

API

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Web App Development

Not enough data

Not enough data

Custom Development

Not enough data

Not enough data

Code Repository Integration

Not enough data

Not enough data

Data Security

Not enough data

Not enough data

Mobile Development

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Game Development

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Application Security

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Automated Testing

Not enough data

Not enough data

Integrated Development Environment

Not enough data

Not enough data

Offline Access

Not enough data

Not enough data

Debugging

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Compatibility Testing

Not enough data

Not enough data

Pre-built Templates

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Data Modeling

Not enough data

Not enough data

Customizable Branding

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Code Editing

Not enough data

Not enough data

Functionality

Ease of Use

Not enough data

9.4(won by default)

509

File Management

Not enough data

8.3(won by default)

392

Multi-Language Support

Not enough data

8.5(won by default)

377

Customization

Not enough data

8.4(won by default)

420

Straight-Out-the-Box Functionality

Not enough data

8.7(won by default)

415

Help Guides

Not enough data

8.6(won by default)

417

Patching & Updates

Not enough data

8.5(won by default)

403

Workflow Management

Not enough data

Not enough data

Change Management

Not enough data

Not enough data

Deployment Management

Not enough data

Not enough data

Performance Management

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

Lifecycle Management

Not enough data

Not enough data

Task Management

Not enough data

Not enough data

Document Management

Not enough data

Not enough data

Database Support

Not enough data

Not enough data

AI App Builder[Hide 20 FeaturesShow 20 Features](javascript:void(0);)

Not enough data

8.7

29

Third-Party Integration

Third-Party Integration

Not enough data

Not enough data

Scalability

Scalability

Not enough data

Not enough data

Iteration Management

Iteration Management

Not enough data

Not enough data

Backend Logic Creation

Backend Logic Creation

Not enough data

Not enough data

Prompt Understanding

Prompt Understanding

Not enough data

Not enough data

Application Development

Application Development

Not enough data

Not enough data

Full-Stack Output

Full-Stack Output

Not enough data

Not enough data

API Integration

API Integration

Not enough data

Not enough data

Contextual Guidance

Contextual Guidance

Not enough data

Not enough data

Customizable User Interface

Customizable User Interface

Not enough data

Not enough data

Design Customization

Design Customization

Not enough data

Not enough data

Out-of-the-Box Functionality

Out-of-the-Box Functionality

Not enough data

Not enough data

Generation and Interpretation - AI App Builder

Prompt Understanding

Not enough data

7.9(won by default)

7

Backend Logic Creation

Not enough data

8.8(won by default)

10

Context Awareness

Not enough data

8.3(won by default)

8

UI Generation

Not enough data

Feature Not Available

Generated Application Quality - AI App Builder

Scalability

Not enough data

9.6(won by default)

14

Out-of-the-Box Functionality

Not enough data

8.7(won by default)

10

Design Customization

Not enough data

8.6(won by default)

12

Data & API Integration

Not enough data

9.3(won by default)

21

Component Libraries[Hide 6 FeaturesShow 6 Features](javascript:void(0);)

8.9

40

Not enough data

Functionality

Language Contingency

8.8(won by default)

30

Not enough data

Component Library

8.9(won by default)

32

Not enough data

Unlocked Components

9.1(won by default)

32

Not enough data

Management

Framework Integration

9.4(won by default)

33

Not enough data

Repository Management

8.6(won by default)

28

Not enough data

Support

8.6(won by default)

28

Not enough data

AI Agent Builders[Hide 43 FeaturesShow 43 Features](javascript:void(0);)

Not enough data

9.0

110

Customization - AI Agent Builders

Tone Customization

Not enough data

8.3(won by default)

9

Security Guardrails

Not enough data

9.5(won by default)

29

Natural Language Configuration

Not enough data

Feature Not Available

API Security

Not enough data

Not enough data

Data Security

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Functionality - AI Agent Builders

Omni-channel Support

Not enough data

9.3(won by default)

10

Agent Branding

Not enough data

7.9(won by default)

13

Proactive Response Capabilities

Not enough data

9.1(won by default)

9

Seamless Human Escalation

Not enough data

8.3(won by default)

12

Multimedia Support

Not enough data

Not enough data

Multi-Modal Input Support

Not enough data

Not enough data

Data and Analytics - AI Agent Builders

Analytics & Reporting

Not enough data

9.7(won by default)

11

Contextual Awareness

Not enough data

9.5(won by default)

11

Data Privacy Compliance

Not enough data

9.3(won by default)

20

Integration - AI Agent Builders

Workflow Automation

Not enough data

9.7(won by default)

31

API Usage

Not enough data

8.7(won by default)

10

Platform Interoperability

Not enough data

9.0(won by default)

38

CRM Data Integration

Not enough data

9.1(won by default)

9

Third-Party Integrations

Not enough data

Not enough data

Additional Functionality

Version Control

Not enough data

Not enough data

Scalability

Not enough data

Not enough data

Personalization

Not enough data

Not enough data

Data Extraction

Not enough data

Not enough data

Webhooks

Not enough data

Not enough data

API

Not enough data

Not enough data

Natural Language Processing

Not enough data

Not enough data

Fallback Handling

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Multiple LLM Models

Not enough data

Not enough data

Built-in AI Assistant

Not enough data

Not enough data

Automated Testing

Not enough data

Not enough data

Data Governance

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Pre-built Templates

Not enough data

Not enough data

Agent Design Tools

Not enough data

Not enough data

Deep Learning

Not enough data

Not enough data

Model Training

Not enough data

Not enough data

Analytics

Not enough data

Not enough data

Single Sign On

Not enough data

Not enough data

Debugging

Not enough data

Not enough data

Deployment Management

Not enough data

Not enough data

Proactive Error Detection

Not enough data

Not enough data

Mobile Development Platforms[Hide 3 FeaturesShow 3 Features](javascript:void(0);)

Not enough data

7.8

17

Agentic AI - Mobile Development Platforms

Adaptive Learning

Not enough data

7.2(won by default)

13

Natural Language Interaction

Not enough data

7.8(won by default)

13

Proactive Assistance

Not enough data

8.5(won by default)

12

Low-Code Development Platforms[Hide 62 FeaturesShow 62 Features](javascript:void(0);)

Not enough data

8.5

869

Application Design

UI Code Extending

Not enough data

8.6(won by default)

628

|

Verified

Programming Code Extending

Not enough data

8.6(won by default)

634

|

Verified

Customized Branding

Not enough data

8.7(won by default)

601

|

Verified

Application Templates

Not enough data

8.7(won by default)

623

|

Verified

Configurable Workflow

Not enough data

8.6(won by default)

629

|

Verified

Rules-Based Workflow

Not enough data

Not enough data

Project Workflow

Not enough data

Not enough data

Customizable Templates

Not enough data

Not enough data

Data Control

Data Migration

Not enough data

7.9(won by default)

572

|

Verified

Data Synchronization

Not enough data

8.3(won by default)

597

|

Verified

Data Security

Not enough data

8.6(won by default)

611

|

Verified

Real-Time Data

Not enough data

Not enough data

Data Aggregation and Publishing

Not enough data

Not enough data

Publishing

Application Deployment

Not enough data

9.0(won by default)

661

|

Verified

Platform Compatability

Not enough data

8.9(won by default)

620

Lifecycle Management

Not enough data

8.9(won by default)

650

|

Verified

Mobile Access

Not enough data

Not enough data

Deployment Management

Not enough data

Not enough data

Project Management

Not enough data

Not enough data

Integrations Management

Not enough data

Not enough data

Template Management

Not enough data

Not enough data

Application Management

Not enough data

Not enough data

Document Management

Not enough data

Not enough data

Workflow Management

Not enough data

Not enough data

Iteration Management

Not enough data

Not enough data

Requirements Management

Not enough data

Not enough data

Calendar Management

Not enough data

Not enough data

Task Management

Not enough data

Not enough data

Forms Management

Not enough data

Not enough data

Agentic AI - Low-Code Development Platforms

Adaptive Learning

Not enough data

8.4(won by default)

32

Natural Language Interaction

Not enough data

8.3(won by default)

35

Proactive Assistance

Not enough data

8.1(won by default)

32

Additional Functionality

Custom Development

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

AI-assisted Development

Not enough data

Not enough data

Collaborative Development

Not enough data

Not enough data

Document Storage

Not enough data

Not enough data

Approval Process Control

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

CRM

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

Customizable Reports

Not enough data

Not enough data

Performance Monitoring

Not enough data

Not enough data

Version Control

Not enough data

Not enough data

Database Support

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Graphical Workflow Editor

Not enough data

Not enough data

Visual Modeling

Not enough data

Not enough data

Business Process Automation

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

API

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Customizable Forms

Not enough data

Not enough data

Customizable Fields

Not enough data

Not enough data

Web/Mobile App Development

Not enough data

Not enough data

Show 2 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

Generative AI[Hide 22 FeaturesShow 22 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

Code Generation

Not enough data

Not enough data

Text to Image

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

API

Not enough data

Not enough data

Natural Language Processing

Not enough data

Not enough data

Virtual Characters and Avatars

Not enough data

Not enough data

Content Generation

Not enough data

Not enough data

Personalization and Recommendation

Not enough data

Not enough data

Conditional Generation

Not enough data

Not enough data

Transformer Model

Not enough data

Not enough data

Automated Image & Video Editing

Not enough data

Not enough data

Interactive and Co-Creative Systems

Not enough data

Not enough data

Text Summarization

Not enough data

Not enough data

Data Augmentation

Not enough data

Not enough data

Variation Autoencoder Models

Not enough data

Not enough data

Adversarial Training

Not enough data

Not enough data

Transfer Learning and Fine-tuning

Not enough data

Not enough data

Simulation and Scenario Generation

Not enough data

Not enough data

Creative Design

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Prompt Engineering

Not enough data

Not enough data

Foundation Model

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![Flutter](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_c23124a2abf71984926a5b237255c74f/flutter.png "Flutter")](https://www.g2.com/products/flutter/reviews)

Flutter

Small-Business(50 or fewer emp.)

74.6%

Mid-Market(51-1000 emp.)

17.9%

Enterprise(\> 1000 emp.)

7.5%

[![OutSystems](https://images.g2crowd.com/uploads/product/hd_favicon/1503948396/outsystems.svg "OutSystems")](https://www.g2.com/products/outsystems/reviews)

OutSystems

Small-Business(50 or fewer emp.)

23.4%

Mid-Market(51-1000 emp.)

40.0%

Enterprise(\> 1000 emp.)

36.6%

Small-Business

(50 or fewer emp.)

74.6%

23.4%

Mid-Market

(51-1000 emp.)

17.9%

40.0%

Enterprise

(\> 1000 emp.)

7.5%

36.6%

Reviewers' Industry

[![Flutter](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_c23124a2abf71984926a5b237255c74f/flutter.png "Flutter")](https://www.g2.com/products/flutter/reviews)
Flutter

Computer Software

32.8%

Information Technology and Services

29.9%

Program Development

4.5%

Education Management

4.5%

Consumer Services

3.0%

Other

25.4%

[![OutSystems](https://images.g2crowd.com/uploads/product/hd_favicon/1503948396/outsystems.svg "OutSystems")](https://www.g2.com/products/outsystems/reviews)
OutSystems

Information Technology and Services

16.6%

Computer Software

12.4%

Banking

7.1%

Insurance

7.0%

Consulting

5.0%

Other

51.9%

Alternatives

**Flutter Alternatives**

 ![Progress Telerik](https://images.g2crowd.com/uploads/product/hd_favicon/b8d6ada91779c5f9bb59446c0e57f5dc/progress-telerik.jpg "Progress Telerik")

[
Progress Telerik
](/products/progress-telerik/reviews)

 ![DevExpress](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_a57b152e38712ef08473c51e9cce49c8/devexpress.png "DevExpress")

[
DevExpress
](/products/devexpress/reviews)

 ![Selenium WebDriver](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_8c39a15be7feccc4c67a581759c31f3c/selenium-webdriver.png "Selenium WebDriver")

[
Selenium WebDriver
](/products/selenium-webdriver/reviews)

 ![Qt](https://images.g2crowd.com/uploads/product/hd_favicon/6bdeb47f0a8b262682037eeeb975ef1f/qt.svg "Qt")

[
Qt
](/products/qt/reviews)

**OutSystems Alternatives**

 ![ServiceNow App Engine](https://images.g2crowd.com/uploads/product/hd_favicon/c7ed381b8103a08f610090492732a5fe/servicenow-app-engine.svg "ServiceNow App Engine")

[
ServiceNow App Engine
](/products/servicenow-app-engine/reviews)

 ![Zoho Creator](https://images.g2crowd.com/uploads/product/hd_favicon/0a84f55c85a46579b1dc756a6fee5a0b/zoho-creator.svg "Zoho Creator")

[
Zoho Creator
](/products/zoho-creator/reviews)

 ![UiPath Agentic Automation](https://images.g2crowd.com/uploads/product/hd_favicon/52d1ee45d138a2ab66b69bb703ed76ce/uipath-agentic-automation.svg "UiPath Agentic Automation")

[
UiPath Agentic Automation
](/products/uipath-agentic-automation/reviews)

 ![Quickbase](https://images.g2crowd.com/uploads/product/hd_favicon/b9699c0fa4dd8b1e4dca9cb53b76f2b0/quickbase.svg "Quickbase")

[
Quickbase
](/products/quickbase/reviews)

## Flutter vs OutSystems

When assessing the two solutions, reviewers found Flutter easier to use, set up, and administer. Reviewers also preferred doing business with Flutter overall.

- Reviewers felt that Flutter meets the needs of their business better than OutSystems.
- When comparing quality of ongoing product support, reviewers felt that OutSystems is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Flutter over OutSystems.