Theremin vs Depmin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Theremin
This music app allows users to create tones by touching the screen. Moving a finger changes the sound, offering an intuitive and adjustable musical experience.
- Touch-based sound creation
- Dynamic sound alteration
- Personalizable adjustments
- Easy to play interface
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Theremin Pro You touch the screen and a tone resounds. Move your finger and the sound changes. Easy to play and to adjust for your personal wishes.
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.
Screenshots
Verdict
Theremin and Depmin both sit at 3.9 stars, but that hides the real split: 100% of Depmin's written reviews are positive against 50% of Theremin's. Theremin's advantage is ratings volume (11 vs 1) and device support (3 vs 1). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 3.9 for Theremin against 4.0 for Depmin. That said, the two scores are not equally well evidenced: Theremin has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 50% of Theremin's written reviews are positive against 100% of Depmin's.
| Parameter | Theremin | Depmin |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (11 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 11 — better | 1 |
| Update frequency | — | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 17 |
| Further details — not scored | ||
| Size | 16 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Jochen Falck | Kokoro Nemoto |
Customer experience
Theremin
Depmin
In-app purchases
Theremin
No in-app purchases
Depmin
No in-app purchases








