# Flutter Theme vs Learn Kotlin

The clearest difference is in-app purchases: Flutter Theme at none against Learn Kotlin's 4. Flutter Theme also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Learn Kotlin sells 4 in-app purchases, starting at $4.99 per 7 days. Flutter Theme asks for nothing beyond the download.

Flutter Theme ships an update every 3 days, Learn Kotlin every 3 weeks. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Flutter Theme | Learn Kotlin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 44 MB | 71 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vitalii Koretskyi](https://appshunter.io/developer/1245163037) | [MEHMET CANKER (TR)](https://appshunter.io/developer/1565350155) |

## What reviewers say

### Flutter Theme

[App page](https://appshunter.io/ios/app/flutter-theme/id1588552225)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Learn Kotlin

[App page](https://appshunter.io/ios/app/learn-kotlin-jvm-and-compose/id6739499371)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $6.99 | per month |
| Yearly Subscription | $24.99 | per year |
| Lifetime Subscription | $59.99 | one-time |


## Frequently asked questions

### Is Flutter Theme free?

Flutter Theme is free to download, with no in-app purchases.

### Is Learn Kotlin free?

Learn Kotlin is free to download, with in-app purchases available.

### Do Flutter Theme or Learn Kotlin have ads?

Learn Kotlin shows ads; Flutter Theme does not.

### Which is updated more often, Flutter Theme or Learn Kotlin?

Flutter Theme ships an update every 3 days, and Learn Kotlin every 3 weeks. Most recently, Flutter Theme was updated on October 10, 2026 and Learn Kotlin on October 7, 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.*