# ROBO Pro Coding vs PIECO

The clearest difference is review sentiment: PIECO at 100% against ROBO Pro Coding's 20%. ROBO Pro Coding's advantage is device support (4 vs 2). 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.

ROBO Pro Coding ships an update every 2 months, PIECO every 3 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ROBO Pro Coding | PIECO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 84 MB | 23 MB |
| Requires iOS | 15.0 | **14.2** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [fischertechnik](https://appshunter.io/developer/1569643516) | [HOERBIGER Flow Control GmbH](https://appshunter.io/developer/1587896992) |

## 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


### PIECO

[App page](https://appshunter.io/ios/app/pieco/id1587896990)

Monitor and control laser gas mixing and regulation systems in real-time. Access live data on gas consumption and input pressure, and adjust settings to optimize cutting quality and speed.

**Highlights:** Real-time gas consumption monitoring, Live input pressure information, Adjustable gas mixing ratio, Control cutting quality and speed, Application support requests

**Features:** Vision Pro support

**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 PIECO free?

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

### Do ROBO Pro Coding or PIECO have ads?

Neither ROBO Pro Coding nor PIECO shows ads.

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

ROBO Pro Coding ships an update every 2 months, and PIECO every 3 months. Most recently, ROBO Pro Coding was updated on October 3, 2026 and PIECO on October 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.*