Depmin vs Roomtone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Depmin
This app is a unique synthesizer that emulates a theremin, using your device's front-facing camera to control pitch. Interact by touching the screen to adjust volume and effects, creating music in an intuitive way.
- Theremin-style sound generation
- TrueDepth sensor for pitch control
- Touch-based volume and effects adjustment
- Synthesizer instrument
- Unique musical interface
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Depmin is a synthesizer app that pays homage to the theremin, using the TrueDepth sensor to play. It converts the distance to the nearest object into pitch and produces sound by touching the display. Volume and effects can be adjusted based on the touch coordinates. Please note that this app cannot be used on some devices that do not have Face ID.
Roomtone
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Roomtone is a lens that transforms the sounds around you into ambient music, in real time. Sounds picked up by the microphone are dissolved, stretched, and reshaped into a new space. The quiet of your room, rain, the hum of an air conditioner, distant voices — ordinary surroundings become music that exists only in that moment. The same sound never plays twice. TAPE DECAY — vast silence of a worn-out tape LABYRINTH — folding echoes POOL — ripples beneath the surface PRISM — sound, refracted INNER BODY — pulse from within RAIN DESK — rain on your desk PROMENADE — music for walking DEEP SEA — pressure of the deep CHOP COLLECTOR SATOSHI — collected fragments MANHOLE — resonance underground LAST TRAIN — after the last train Best experienced with headphones. Background playback supported. No recording, no storage, no transmission. No network connection. No tracking, no account, no ads.
Screenshots
Verdict
The clearest difference is update cadence: Roomtone at every 10 days against Depmin's every 11 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.
Depmin ships an update every 11 months, Roomtone every 10 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.
| Parameter | Depmin | Roomtone |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17 | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Kokoro Nemoto | HANDSUM.INC |
In-app purchases
Depmin
No in-app purchases
Roomtone
No in-app purchases









