SunFounder Controller vs StackChan World
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SunFounder Controller
This app acts as a virtual remote control for robot kits powered by ESP32 and Raspberry Pi. It offers customizable controls like radar ranging, tracking, sliders, buttons, and arrow keys for interactive robot operation.
- Virtual remote control
- ESP32 and Raspberry Pi compatibility
- Radar ranging control
- Three-channel tracking
- Customizable control layout
- Sliders, buttons, and arrow keys
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Sunfounder Controller is a virtual remote control APP, used to control ESP32 and Raspberry Pi-based robot kits. The APP integrates controls such as radar ranging, three-channel tracking, sliders, buttons, and arrow keys. Users can customize the arrangement of these controls according to their own preferences.
StackChan World
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.
- AI-powered robot interaction
- Open-source hardware and software
- App-based pairing with robot
- Enhanced user fun and features
- Community co-created robot
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·_· StackChan is a super cute desktop robot co-created by M5Stack and the user community. It is powered by AI, and all the hardware and software is open-source. Download the app, pair with your StackChan, and get more fun!
Screenshots
Verdict
The clearest difference is review sentiment: SunFounder Controller at 95% against StackChan World's 0%. SunFounder Controller also leads on rating (4.4 vs 1.4) and ratings volume (28 vs 8). StackChan World's advantage is update cadence (every 6 days vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SunFounder Controller holds the better App Store score, 4.4 against 1.4. Both are backed by a comparable volume of ratings — 28 and 8 respectively. Written reviews point the same way: 95% of SunFounder Controller's written reviews are positive against 0% of StackChan World's.
SunFounder Controller ships an update every 3 months, StackChan World every 6 days. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.
| Parameter | SunFounder Controller | StackChan World |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (28 ratings) — better | 1.4 (8 ratings) |
| Positive reviews | 94.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 28 — better | 8 |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 92 MB | 164 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Maker Stars Technology Co., Ltd. | M5Stack Technology Co., Ltd. |
Customer experience
SunFounder Controller
StackChan World
Bugs and requests
SunFounder Controller
Reported bugs
2 issues- App disconnects and requires reinstallation to reconnect
- Link button is off-screen on iPhone XS Max
Requested features
2 requests- Add a list-box or radio-button widget class
- More warm functions
StackChan World
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SunFounder Controller
No in-app purchases
StackChan World
No in-app purchases
Questions
Is SunFounder Controller free?
Is StackChan World free?
Which has better reviews, SunFounder Controller or StackChan World?
Do SunFounder Controller or StackChan World have ads?
Which is updated more often, SunFounder Controller or StackChan World?
Other comparisons
