# ROBO Pro Coding vs U Call Dealer

The clearest difference is iOS requirement: U Call Dealer at 12.0 against ROBO Pro Coding's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ROBO Pro Coding | U Call Dealer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 84 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [fischertechnik](https://appshunter.io/developer/1569643516) | [3 Billionaires Corp](https://appshunter.io/developer/1476105863) |

## 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


### U Call Dealer

[App page](https://appshunter.io/ios/app/u-call-dealer/id1610785978)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ROBO Pro Coding free?

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

### Is U Call Dealer free?

U Call Dealer is free to download, with no in-app purchases.

### Do ROBO Pro Coding or U Call Dealer have ads?

Neither ROBO Pro Coding nor U Call Dealer shows ads.

### Which is updated more often, ROBO Pro Coding or U Call Dealer?

ROBO Pro Coding ships an update every 2 months, and U Call Dealer every 2 months. Most recently, ROBO Pro Coding was updated on November 7, 2026 and U Call Dealer on November 3, 2026.

---

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