レコーダー vs SunFounder Controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
レコーダー
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スピークバディ パーソナルコーチング用の音声録音アプリです。
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.
Screenshots
Verdict
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.
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.
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.
| Parameter | レコーダー | SunFounder Controller |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (28 ratings) — better |
| Positive reviews | — | 94.7% of reviews |
| Number of ratings | — | 28 — better |
| Update frequency | Every 20 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.2 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 92 MB |
| Age rating | 4+ | 4+ |
| Developer | SpeakBUDDY Ltd. | Shenzhen Maker Stars Technology Co., Ltd. |
Bugs and requests
レコーダー
Not enough reviews yet to summarise bugs or 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
In-app purchases
レコーダー
No in-app purchases
SunFounder Controller
No in-app purchases
