GyroSynth vs 覔音
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GyroSynth
This app transforms your device into a gesture-controlled musical instrument. Use your device's gyroscope to manipulate sound parameters like pitch and volume, creating melodies and effects by moving your hand through the air. Explore various synthesizer types and built-in effects for a unique music creation experience.
- Gesture-driven sound manipulation
- Multiple synthesizer types
- Built-in effects (delay, boost)
- Musical scales for easy playing
- Recorder with overdub function
- Experimental FM modulation
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GyroSynth is a gesture driven music synthesizer, which takes full adventage of the gyroscope. You can play and modulate the sound by moving your hand through the air - just like the legendary Theremin instrument. GyroSynth makes use of the gyroscope to measure true roll, pitch, and yaw and translates them to sound parameters like pitch, volume, modulation or filter cutoff. Thanks to phenomenal accuracy (2000 degrees), you can play melodies perfectly in tune. A finalist in 'Most Innovative App' category at the 2010 Best App Ever Awards (148apps). GyroSynth has been used in numerous live jams and performances (e.g., Mindex) FEATURES - Synthesizers: vocal (formant synthesizer), sine wave , square (PWM modulation), saw, granular sample player with recording function and R2D2 - experimental FM modulation - Effects: delay and boost - Several control modes - Included musical scales allow you to effortlessly play in several styles - Built-in recorder and player with overdub function "There isn’t too much more to say about GyroSynth other than wow!" AppSafari Enjoy the new experience!
覔音
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通过冥想空间、个人专属、场景歌词、时钟日历等模块对设备进行控制，播放本地音乐，同步到音箱上
Screenshots
Verdict
The clearest difference is price: 覔音 at Free against GyroSynth's $4.99. 覔音 also leads on rating (5.0 vs 4.4) and update cadence (every 3 weeks vs every 12 months). GyroSynth's advantage is ratings volume (37 vs 1). On 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
覔音 is free to download; GyroSynth costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
覔音 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: GyroSynth has 37 ratings behind it against 1, so its average is the more settled of the two.
GyroSynth ships an update every 12 months, 覔音 every 3 weeks. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.
| Parameter | GyroSynth | 覔音 |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.4 (37 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 73.0% of reviews | — |
| Number of ratings | 37 — better | 1 |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 13 — better |
| Further details — not scored | ||
| Size | 8 MB | 69 MB |
| Age rating | 4+ | 9+ |
| Developer | BeepStreet | Shenzhen Shitong United Digital Technology Co., Ltd |
Customer experience
GyroSynth
覔音
Bugs and requests
GyroSynth
Reported bugs
7 issues- No sound no matter what I do
- Crashed on startup on iOS 8
- Crashes on launch since the iOS 8 update
- Stopped working with iOS 8
- Sampler doesn't work
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- Doesn't work on iOS 8.1
- Crashes as soon as I open it on iOS 8
Requested features
7 requests- Custom scales that can be saved
- Wireless midi out
- Ability to play iPod tracks in background
- More synth modules, more/selectable FX, sample import, the ability to assign parameters beyond waveform modification to the gyroscopic planes
- Recording and export feature
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- Labels for the notes
- More voices
覔音
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GyroSynth
No in-app purchases
覔音
No in-app purchases
