# レコーダー vs SunFounder Controller

The clearest difference is update cadence: SunFounder Controller at every 3 months against レコーダー's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

レコーダー ships an update every 20 months, SunFounder Controller every 3 months. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | レコーダー | SunFounder Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (28 ratings)](https://appshunter.io/ios/app/sunfounder-controller/id1538719422/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 94.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 1 MB | 92 MB |
| Requires iOS | 12.2 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SpeakBUDDY Ltd.](https://appshunter.io/developer/633270154) | [Shenzhen Maker Stars Technology Co., Ltd.](https://appshunter.io/developer/1422345349) |

## What reviewers say

### レコーダー

[App page](https://appshunter.io/ios/app/id1469874020)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is レコーダー free?

レコーダー is free to download, with no in-app purchases.

### Is SunFounder Controller free?

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

### Do レコーダー or SunFounder Controller have ads?

Neither レコーダー nor SunFounder Controller shows ads.

### Which is updated more often, レコーダー or SunFounder Controller?

レコーダー ships an update every 20 months, and SunFounder Controller every 3 months. Most recently, レコーダー was updated on September 19, 2026 and SunFounder Controller on September 11, 2026.

---

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