# FL Chart vs Happy

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.

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.

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.

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

## The numbers

| Metric | FL Chart | Happy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fl-chart/id6476523019/reviews)** | [4.9 (991 ratings)](https://appshunter.io/ios/app/happy-codex-and-claude-code-app/id6748571505/reviews) |
| Number of ratings | 1 | **991** |
| Positive reviews | — | 71.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#57** |
| Size | 27 MB | 92 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iman Khoshabi](https://appshunter.io/developer/1722488999) | [Bulka, LLC](https://appshunter.io/developer/1677403762) |

## What reviewers say

### FL Chart

[App page](https://appshunter.io/ios/app/fl-chart/id6476523019)

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:** Vision Pro support

**In-app purchases:** none


### Happy

[App page](https://appshunter.io/ios/app/happy-codex-and-claude-code-app/id6748571505)

**Currently charting:** #57 Top Grossing · Developer Tools, #73 Top Free · Developer Tools (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Plus Monthly | $19.99 | per month |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*