Comparison

FL Chart vs Happy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FL Chart

Explore interactive examples of various chart types like Line, Bar, and Pie. This app showcases a highly customizable, open-source Flutter charting library, perfect for developers needing data visualization solutions.

Highlights
  • Interactive chart examples
  • Line, Bar, Pie, Scatter, Radar charts
  • Highly customizable
  • Cross-platform Flutter support
  • Open-source MIT License
Features
Read full description

Discover the power of data visualization with FL Chart! This app is a showcase of the capabilities of FL Chart, an open-source and free Flutter charting library. Whether you need to create Line, Bar, Pie, Scatter, or Radar charts, this app demonstrates how to build beautiful and customizable charts. ### Key Features: - **Interactive Examples**: Explore fully interactive samples for various chart types, including Line, Bar, Pie, Scatter, and Radar charts. - **Highly Customizable**: Adjust colors, animations, gradients, and more to fit your design needs. - **Built for Flutter**: FL Chart works seamlessly across Flutter's supported platforms, including mobile, web, and desktop. - **Open Source**: This app and the library are completely open-source under the MIT License. ### Who Is It For? Whether you're a developer looking for inspiration or simply curious about data visualization, this app is for you. It demonstrates the potential of FL Chart for creating visually stunning and functional charts in Flutter applications. ### Free and Open Source FL Chart is available under the MIT License, making it free for personal, commercial, or educational use. You can view the source code and learn how to integrate these charts into your apps. For more information or to explore the source code, visit our [GitHub repository](https://github.com/imaNNeo/fl_chart). Download now and start exploring the world of data visualization with FL Chart!

About

Happy

This app provides a secure mobile interface for AI coding assistants, allowing you to continue sessions and monitor progress from anywhere. It features end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Seamlessly switch between desktop and mobile for uninterrupted AI coding.

Highlights
  • Seamless desktop and mobile session continuation
  • Push notifications for AI tasks
  • Offline access to conversation history
  • End-to-end encryption for code privacy
  • Real-time streaming of AI responses
  • Zero-knowledge architecture
Features
Read full description

Happy Coder is the secure mobile companion for Codex and Claude Code that lets you continue your AI coding sessions anywhere (not affiliated with Anthropic or OpenAI). Built by developers who needed to check on their AI assistant's progress during coffee breaks, this app brings the full Codex and Claude Code experience to your phone with military-grade encryption. **Important**: This app requires Codex or Claude Code to be installed on your computer. Happy Coder is a companion app that connects to your existing Codex or Claude Code setup. **Key Features:** - Continue Codex and Claude Code sessions seamlessly between desktop and mobile - Push notifications for permission requests and task completion - Access conversation history even when your terminal is offline - End-to-end encryption - your code stays private - Real-time streaming of AI responses - Zero-knowledge architecture - we can't read your data **How It Works:** 1. Install the happy-coder CLI on your computer 2. Scan a QR code to securely pair your devices 3. Use 'happy' instead of 'codex' or 'claude' to start encrypted sessions 4. Switch between desktop and mobile instantly Perfect for developers who: - Want to monitor long-running tasks on the go - Need secure access to proprietary code discussions - Value privacy and open-source transparency - Work from coffee shops, trains, or anywhere Happy Coder uses the same encryption as Signal (TweetNaCl) and is completely open source. Your encryption keys never leave your device, and all data is encrypted before transmission. Built by Bay Area engineers who believe the best tools come from scratching your own itch. We needed a way to securely check on our AI coding assistant while away from our desks - so we built it and shared it with the community. Your code. Your privacy. Your Codex and Claude Code companion. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FL Chart4 screens
Happy4 screens

Verdict

The call

The clearest difference is in-app purchases: FL Chart at none against Happy's 1. FL Chart also leads on iOS requirement (12.0 vs 15.1). Happy's advantage is update cadence (weekly vs every 6 weeks) and ratings volume (991 vs 1). On price, rating, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Happy sells 1 in-app purchase, starting at $19.99 per month. FL Chart asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for FL Chart against 4.9 for Happy. That said, the two scores are not equally well evidenced: Happy has 991 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

FL Chart ships an update every 6 weeks, Happy weekly. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 5 level
FL Chart versus Happy: the parameters behind the verdict, then further details
ParameterFL ChartHappy
PriceFreeFree
Rating5.0 (1 ratings) — better4.9 (991 ratings)
Positive reviews—71.2% of reviews
Number of ratings1991 — better
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#53 — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size27 MB92 MB
Age rating4+4+
DeveloperIman KhoshabiBulka, LLC

Customer experience

FL Chart

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Happy

All ratings991 ratings
Positive96.9%
Neutral0.9%
Negative2.2%
Written reviews66 reviews
Positive71.2%
Neutral10.6%
Negative18.2%

In-app purchases

None

FL Chart

No in-app purchases

1 purchases

Happy

Subscriptions1
  • Plus Plus Monthly$19.991 Month

Questions

Is FL Chart free?
FL Chart is free to download, with no in-app purchases.
Is Happy free?
Happy is free to download, with in-app purchases available.
Which has better reviews, FL Chart or Happy?
FL Chart is rated higher. FL Chart averages 5.0 out of 5 from 1 ratings, while Happy averages 4.9 from 991 ratings.
Do FL Chart or Happy have ads?
Neither FL Chart nor Happy shows ads.
Which is updated more often, FL Chart or Happy?
FL Chart ships an update every 6 weeks, and Happy weekly. Most recently, FL Chart was updated on September 10, 2026 and Happy on September 24, 2026.

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