# SunFounder Controller vs ESP32

The clearest difference is rating: ESP32 at 5.0 against SunFounder Controller's 4.4. ESP32 also leads on update cadence (every 2 weeks vs every 3 months). SunFounder Controller's advantage is in-app purchases (none vs 1) and ratings volume (28 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. ESP32 sells 1 one-off in-app purchase. SunFounder Controller asks for nothing beyond the download.

ESP32 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: SunFounder Controller has 28 ratings behind it against 1, so its average is the more settled of the two.

SunFounder Controller ships an update every 3 months, ESP32 every 2 weeks. The most recent releases landed on September 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SunFounder Controller | ESP32 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (28 ratings)](https://appshunter.io/ios/app/sunfounder-controller/id1538719422/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/esp32-cam/id6754187049/reviews)** |
| Number of ratings | **28** | 1 |
| Positive reviews | 94.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 92 MB | 22 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Shenzhen Maker Stars Technology Co., Ltd.](https://appshunter.io/developer/1422345349) | [Peter Sauer](https://appshunter.io/developer/1789152060) |

## 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


### ESP32

[App page](https://appshunter.io/ios/app/esp32-cam/id6754187049)

Control and manage ESP32-CAM devices with various camera modules. Stream live video, adjust image settings, and apply creative effects. Effortlessly discover and manage multiple cameras from a single interface.

**Highlights:** Smart network discovery, Live JPEG video streaming, Adjustable image quality and effects, LED flash control, Multi-device management, Save and organize camera configurations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support this project | $1.99 | one-time |


## Frequently asked questions

### Is SunFounder Controller free?

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

### Is ESP32 free?

ESP32 is free to download, with in-app purchases available.

### Which has better reviews, SunFounder Controller or ESP32?

ESP32 is rated higher. SunFounder Controller averages 4.4 out of 5 from 28 ratings, while ESP32 averages 5.0 from 1 ratings.

### Do SunFounder Controller or ESP32 have ads?

Neither SunFounder Controller nor ESP32 shows ads.

### Which is updated more often, SunFounder Controller or ESP32?

SunFounder Controller ships an update every 3 months, and ESP32 every 2 weeks. Most recently, SunFounder Controller was updated on September 11, 2026 and ESP32 on September 17, 2026.

---

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