# Retro Synth vs Depmin

The clearest difference is in-app purchases: Depmin at none against Retro Synth's 3. Retro Synth's advantage is update cadence (every 2 months vs every 11 months) and rating (4.2 vs 4.0). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Retro Synth sells 3 in-app purchases, starting at $3.99 per month. Depmin asks for nothing beyond the download.

Retro Synth holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: Retro Synth has 5 ratings behind it against 1, so its average is the more settled of the two.

Retro Synth ships an update every 2 months, Depmin every 11 months. The most recent releases landed on November 9, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Retro Synth | Depmin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/retro-synth-syntophone/id6754520378/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/depmin/id6755386813/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 8 MB |
| Requires iOS | 17.0 | 17 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kerem ERSU](https://appshunter.io/developer/1759709233) | [Kokoro Nemoto](https://appshunter.io/developer/1853554075) |

## What reviewers say

### Retro Synth

[App page](https://appshunter.io/ios/app/retro-synth-syntophone/id6754520378)

Create authentic retro music with this vintage-inspired synthesizer app. Explore sound design with tone controls and vibrato, or upgrade for premium waveforms and studio effects. Designed for instant musical creativity, it offers a portable music-making experience.

**Highlights:** Authentic vintage sound recreation, Tone control for sound shaping, Vibrato effect for musical expression, Zero latency real-time response, Premium waveforms (Sine, Sawtooth, Triangle), Studio effects (Reverb, Delay), MIDI export

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Annual Subscription | $24.99 | per year |
| Remove ads | $2.99 | one-time |


### Depmin

[App page](https://appshunter.io/ios/app/depmin/id6755386813)

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.

**Highlights:** Theremin-style sound generation, TrueDepth sensor for pitch control, Touch-based volume and effects adjustment, Synthesizer instrument, Unique musical interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Retro Synth free?

Retro Synth is free to download, with in-app purchases available.

### Is Depmin free?

Depmin is free to download, with no in-app purchases.

### Which has better reviews, Retro Synth or Depmin?

Retro Synth is rated higher. Retro Synth averages 4.2 out of 5 from 5 ratings, while Depmin averages 4.0 from 1 ratings.

### Do Retro Synth or Depmin have ads?

Neither Retro Synth nor Depmin shows ads.

### Which is updated more often, Retro Synth or Depmin?

Retro Synth ships an update every 2 months, and Depmin every 11 months. Most recently, Retro Synth was updated on November 9, 2026 and Depmin on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*