# SunFounder Controller vs Yarbo

SunFounder Controller and Yarbo both sit at 4.4 stars, but that hides the real split: 95% of SunFounder Controller's written reviews are positive against 62% of Yarbo's. SunFounder Controller also leads on iOS requirement (11.0 vs 14.0). Yarbo's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (725 vs 28). On price, rating, 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.

SunFounder Controller holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: Yarbo has 725 ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 95% of SunFounder Controller's written reviews are positive against 62% of Yarbo's.

SunFounder Controller ships an update every 3 months, Yarbo every 3 weeks. The most recent releases landed on September 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SunFounder Controller | Yarbo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (28 ratings)](https://appshunter.io/ios/app/sunfounder-controller/id1538719422/reviews)** | [4.2 (725 ratings)](https://appshunter.io/ios/app/yarbo/id6443747952/reviews) |
| Number of ratings | 28 | **725** |
| Positive reviews | **94.7% of reviews** | 61.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 92 MB | 256 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Maker Stars Technology Co., Ltd.](https://appshunter.io/developer/1422345349) | [Yarbo](https://appshunter.io/developer/1703242829) |

## What reviewers say

### SunFounder Controller

[App page](https://appshunter.io/ios/app/sunfounder-controller/id1538719422)

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.

**Highlights:** Virtual remote control, ESP32 and Raspberry Pi compatibility, Radar ranging control, Three-channel tracking, Customizable control layout, Sliders, buttons, and arrow keys

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Great app
- 👍 Useful
- 👍 Good functionality
- 👍 Powerful features

**What reviewers complain about**

- 🐛 Needs to be more stable
- 🐛 Needs to be more user-friendly
- 🐛 Disconnects and won't reconnect without reinstallation
- 🐛 Link button off-screen on iPhone XS Max

**Reported bugs**

- App disconnects and requires reinstallation to reconnect
- Link button is off-screen on iPhone XS Max

**Requested features**

- Add a list-box or radio-button widget class
- More warm functions


### Yarbo

[App page](https://appshunter.io/ios/app/yarbo/id6443747952)

Control your robotic snow removal system with this app. Plan snow removal areas, manage operations, and monitor progress in real-time. Features include manual control, location tracking, and automatic charging.

**Highlights:** Area planning for snow removal, Automatic plan creation, Real-time progress monitoring, Manual controller usage, Location tracking, Auto return charging

**Features:** macOS Compatibility, Game Controller support, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great system overall
- 👍 Love it
- 👍 Solid all around
- 👍 Gets better every month
- 👍 Very capable

**What reviewers complain about**

- 💰 High price tag
- 🐛 Difficulty maintaining GPS signal
- 🐛 Overheating issues
- 🐛 Problems with blades
- 👎 No help when issues arise

**Reported bugs**

- Difficulty maintaining GPS signal
- Overheating issues
- Problems with blades
- Slow support response
- Frequent software bugs and errors

**Requested features**

- Ability to edit maps
- Ability to draw no-go zones without driving the unit
- More human-readable diagnostic info
- Ability to program mowing every other day or every three days
- Ability to see programs while the unit is running


## Frequently asked questions

### Is SunFounder Controller free?

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

### Is Yarbo free?

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

### Which has better reviews, SunFounder Controller or Yarbo?

SunFounder Controller is rated higher. SunFounder Controller averages 4.4 out of 5 from 28 ratings, while Yarbo averages 4.2 from 725 ratings.

### Do SunFounder Controller or Yarbo have ads?

Neither SunFounder Controller nor Yarbo shows ads.

### Which is updated more often, SunFounder Controller or Yarbo?

SunFounder Controller ships an update every 3 months, and Yarbo every 3 weeks. Most recently, SunFounder Controller was updated on September 11, 2026 and Yarbo on September 22, 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.*