# Kotlin Recipes vs ROBO Pro Coding

The clearest difference is review sentiment: Kotlin Recipes at 100% against ROBO Pro Coding's 20%. ROBO Pro Coding's advantage is in-app purchases (none vs 5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kotlin Recipes sells 5 one-off in-app purchases. ROBO Pro Coding asks for nothing beyond the download.

Kotlin Recipes ships an update every 3 months, ROBO Pro Coding every 2 months. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Kotlin Recipes | ROBO Pro Coding |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/kotlin-recipes/id1459431509/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 84 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Fedor Obraztsov](https://appshunter.io/developer/1012115119) | [fischertechnik](https://appshunter.io/developer/1569643516) |

## What reviewers say

### Kotlin Recipes

[App page](https://appshunter.io/ios/app/kotlin-recipes/id1459431509)

Access a curated collection of ready-to-use code examples for Kotlin and SQL. Quickly find solutions to common programming tasks, prepare for exams and interviews, and learn with offline access to tested code snippets.

**Highlights:** Kotlin code recipes, SQL code recipes, Tested code examples, Quick search functionality, Offline access, Exam and interview preparation, Cross-platform iOS and macOS support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Оperations with example | $0.99 | one-time |
| Unlock the paid topics | $0.99 | one-time |
| Kotlin Samples | $0.99 | one-time |
| SQL queries | $0.99 | one-time |
| Full version | $2.99 | one-time |


### ROBO Pro Coding

[App page](https://appshunter.io/ios/app/robo-pro-coding/id1569643514)

This app allows users to program fischertechnik® TXT 4.0 Controller models. It supports graphical and text-based Python programming with adjustable difficulty levels. Programs can be saved locally or shared online.

**Highlights:** Graphical programming interface, Text-based Python programming, Beginner, advanced, and expert learning levels, Local and cloud program storage, Program sharing and versioning, Interface testing for actuators and sensors

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kotlin Recipes free?

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

### Is ROBO Pro Coding free?

ROBO Pro Coding is free to download, with no in-app purchases.

### Do Kotlin Recipes or ROBO Pro Coding have ads?

Neither Kotlin Recipes nor ROBO Pro Coding shows ads.

### Which is updated more often, Kotlin Recipes or ROBO Pro Coding?

Kotlin Recipes ships an update every 3 months, and ROBO Pro Coding every 2 months. Most recently, Kotlin Recipes was updated on September 16, 2026 and ROBO Pro Coding on September 9, 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.*