# Chameleon Ultra GUI vs StackChan World

The clearest difference is review sentiment: Chameleon Ultra GUI at 86% against StackChan World's 0%. Chameleon Ultra GUI also leads on rating (4.8 vs 1.4) and update cadence (every 2 days vs every 6 days). On price, ratings volume, 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.

Chameleon Ultra GUI holds the better App Store score, 4.8 against 1.4. Both are backed by a comparable volume of ratings — 22 and 8 respectively. Written reviews point the same way: 86% of Chameleon Ultra GUI's written reviews are positive against 0% of StackChan World's.

Chameleon Ultra GUI ships an update every 2 days, StackChan World every 6 days. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Chameleon Ultra GUI | StackChan World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (22 ratings)](https://appshunter.io/ios/app/chameleon-ultra-gui/id6462919364/reviews)** | [1.4 (8 ratings)](https://appshunter.io/ios/app/stackchan-world/id6756086326/reviews) |
| Number of ratings | **22** | 8 |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Monetization | Free | Free |
| Size | 27 MB | 164 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anton Savelev](https://appshunter.io/developer/1703624296) | [M5Stack Technology Co., Ltd.](https://appshunter.io/developer/1726975189) |

## What reviewers say

### Chameleon Ultra GUI

[App page](https://appshunter.io/ios/app/chameleon-ultra-gui/id6462919364)

Manage your Chameleon Ultra/Lite device with this application. It allows for firmware upgrades, slot management, and reading/writing cards. Explore additional functionalities for enhanced device control.

**Highlights:** Firmware upgrade via DFU, Slot management, Read and write cards, Device control

**Features:** Vision Pro support

**In-app purchases:** none


### StackChan World

[App page](https://appshunter.io/ios/app/stackchan-world/id6756086326)

This app allows users to connect with a cute, AI-powered desktop robot. It provides access to the robot's features and enhances the user experience with its open-source hardware and software.

**Highlights:** AI-powered robot interaction, Open-source hardware and software, App-based pairing with robot, Enhanced user fun and features, Community co-created robot

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chameleon Ultra GUI free?

Chameleon Ultra GUI is free to download, with no in-app purchases.

### Is StackChan World free?

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

### Which has better reviews, Chameleon Ultra GUI or StackChan World?

Chameleon Ultra GUI is rated higher. Chameleon Ultra GUI averages 4.8 out of 5 from 22 ratings, while StackChan World averages 1.4 from 8 ratings.

### Do Chameleon Ultra GUI or StackChan World have ads?

Neither Chameleon Ultra GUI nor StackChan World shows ads.

### Which is updated more often, Chameleon Ultra GUI or StackChan World?

Chameleon Ultra GUI ships an update every 2 days, and StackChan World every 6 days. Most recently, Chameleon Ultra GUI was updated on September 11, 2026 and StackChan World on September 24, 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.*