Theremin I/O vs Depmin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Theremin I/O
Transform your iPhone into a touchless musical instrument using your camera and flash. Control sound generation by hand proximity, with options for scales, sound presets, and effects. An in-app purchase enables MIDI controller functionality.
- Touchless instrument control via camera
- Adjustable scales and harmony quantization
- Multiple sound presets with effects
- MIDI controller functionality (in-app purchase)
- Interactive tutorial overlay
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Play with light – Theremin I/O turns your iPhone into a touchless music instrument. It uses your camera and flash to measure the distance to your hand, this signal is then processed by a synthesizer to generate a tone. Features: • Old-school synthesizer • Constrain input to scales (harmony quantization) • 8 sound presets with effect controls • 50+ scale presets • Use as a MIDI controller (requires in-app purchase) • Learn fast with the tutorial overlay For more information visit http://theremin.io
Depmin
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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
The clearest difference is price: Depmin at Free against Theremin I/O's $2.99. Depmin also leads on in-app purchases (none vs 1). Theremin I/O's advantage is iOS requirement (8.0 vs 17). On ads 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
Depmin is free to download; Theremin I/O costs $2.99 up front. Theremin I/O sells 1 one-off in-app purchase. Depmin asks for nothing beyond the download.
| Parameter | Theremin I/O | Depmin |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.0 (5 ratings) — better | — |
| Positive reviews | 76.9% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 24 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 17 |
| Further details — not scored | ||
| Size | 18 MB | 5 MB |
| Age rating | +4 | 4+ |
| Developer | FFFF00 Agents AB | Kokoro Nemoto |
In-app purchases
Theremin I/O
- Network MIDI$5.99
Depmin
No in-app purchases
