# ROBO Pro Coding vs CodeMaster AI

The clearest difference is in-app purchases: ROBO Pro Coding at none against CodeMaster AI's 2. ROBO Pro Coding also leads on device support (4 vs 2). CodeMaster AI's advantage is update cadence (daily vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. CodeMaster AI sells 2 in-app purchases, starting at $3.99 per month. ROBO Pro Coding asks for nothing beyond the download.

ROBO Pro Coding ships an update every 2 months, CodeMaster AI daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ROBO Pro Coding | CodeMaster AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 84 MB | 102 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [fischertechnik](https://appshunter.io/developer/1569643516) | [Mykola Shchypailo](https://appshunter.io/developer/1827279594) |

## What reviewers say

### 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


### CodeMaster AI

[App page](https://appshunter.io/ios/app/codemaster-ai/id6787402891)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Master Tier Monthly | $3.99 | per month |
| Master Tier Yearly | $34.99 | per year |


## Frequently asked questions

### Is ROBO Pro Coding free?

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

### Is CodeMaster AI free?

CodeMaster AI is free to download, with in-app purchases available.

### Do ROBO Pro Coding or CodeMaster AI have ads?

Neither ROBO Pro Coding nor CodeMaster AI shows ads.

### Which is updated more often, ROBO Pro Coding or CodeMaster AI?

ROBO Pro Coding ships an update every 2 months, and CodeMaster AI daily. Most recently, ROBO Pro Coding was updated on November 3, 2026 and CodeMaster AI on October 31, 2026.

---

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