# RustAcademy vs Kotlin Compiler(Pro)

The clearest difference is update cadence: RustAcademy at every 6 weeks against Kotlin Compiler(Pro)'s every 20 months. Kotlin Compiler(Pro)'s advantage is price ($2.99 vs $6.99) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

RustAcademy costs $6.99 and Kotlin Compiler(Pro) $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RustAcademy ships an update every 6 weeks, Kotlin Compiler(Pro) every 20 months. The most recent releases landed on July 3, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | RustAcademy | Kotlin Compiler(Pro) |
| --- | --- | --- |
| Price | $6.99 | **$2.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 20 months |
| Monetization | Paid | — |
| Size | 44 MB | 62 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### RustAcademy

[App page](https://appshunter.io/ios/app/rustacademy/id6740005880)

Learn Rust programming through focused, bite-sized lessons and daily challenges. Master core concepts, algorithms, and syntax with guided practice and code reading. Ideal for developers seeking a deeper understanding of Rust.

**Highlights:** Bite-sized Rust lessons, Guided practice and code reading, Daily recall challenges, Structured algorithm track, Code completion exercises, Favorite module saving

**Features:** macOS Compatibility

**In-app purchases:** none


### Kotlin Compiler(Pro)

[App page](https://appshunter.io/ios/app/kotlin-compilerpro/id6741094837)

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

**In-app purchases:** none


## Frequently asked questions

### Is RustAcademy free?

RustAcademy costs $6.99, with no in-app purchases.

### Is Kotlin Compiler(Pro) free?

Kotlin Compiler(Pro) costs $2.99, with no in-app purchases.

### Do RustAcademy or Kotlin Compiler(Pro) have ads?

Neither RustAcademy nor Kotlin Compiler(Pro) shows ads.

### Which is updated more often, RustAcademy or Kotlin Compiler(Pro)?

RustAcademy ships an update every 6 weeks, and Kotlin Compiler(Pro) every 20 months. Most recently, RustAcademy was updated on July 3, 2026 and Kotlin Compiler(Pro) on September 19, 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.*