# ThereMin Plus vs SynthMaster One for iPhone

The clearest difference is review sentiment: SynthMaster One for iPhone at 66% against ThereMin Plus's 0%. SynthMaster One for iPhone also leads on rating (4.8 vs 1.0) and ratings volume (331 vs 3). ThereMin Plus's advantage is in-app purchases (none vs 10) and iOS requirement (7.0 vs 10.0). On price, ads and device support there is nothing between them.

Both are free to download. SynthMaster One for iPhone sells 10 one-off in-app purchases. ThereMin Plus asks for nothing beyond the download.

SynthMaster One for iPhone holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: SynthMaster One for iPhone has 331 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of ThereMin Plus's written reviews are positive against 66% of SynthMaster One for iPhone's.

## The numbers

| Metric | ThereMin Plus | SynthMaster One for iPhone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/theremin-plus/id963767129/reviews) | **[4.8 (331 ratings)](https://appshunter.io/ios/app/synthmaster-one-for-iphone/id1490902617/reviews)** |
| Number of ratings | 3 | **331** |
| Positive reviews | 0.0% of reviews | **66.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 297 MB |
| Requires iOS | **7.0** | 10.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lennart de Meij](https://appshunter.io/developer/323225764) | [KV331 Audio](https://appshunter.io/developer/944155925) |

## What reviewers say

### ThereMin Plus

[App page](https://appshunter.io/ios/app/theremin-plus/id963767129)

Create music using your device's motion as a controller. Features include note snapping and waveform selection for live performance or practice.

**Highlights:** Motion-controlled music creation, Frequency-to-note snapping, Choice of three waveforms, Stage performance ready, Skill practice tool

**Features:** macOS Compatibility

**In-app purchases:** none


### SynthMaster One for iPhone

[App page](https://appshunter.io/ios/app/synthmaster-one-for-iphone/id1490902617)

This powerful wavetable synthesizer app offers an intuitive workflow for creating new sounds. It features a rich library of wavetables, inspiring factory presets, and real-time modulation feedback for sound design.

**Highlights:** Wavetable synthesis, 300 factory presets, AUv3 support, Files App integration, Real-time modulation feedback, Semi-modular architecture, 32-step arpeggiator/sequencer

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BigTone Club Construction Set | $4.99 | one-time |
| True Trance Sounds Volume 1 | $4.99 | one-time |
| Vandalism Future House | $4.99 | one-time |
| NatLife Retrowave Sounds Vol.1 | $4.99 | one-time |
| Demis Hellen Euphoric Trance | $4.99 | one-time |
| NatLife Progressive&Deep Vol.1 | $4.99 | one-time |
| Vandalism Shocking Future Bass | $4.99 | one-time |
| Venus Theory Trap Sounds | $4.99 | one-time |
| Desktop Presets Upgrade | $9.99 | one-time |
| SM One Expansions Bundle | $24.99 | one-time |

**What reviewers like**

- ✨ Excellent sound quality
- 🤩 Incredible features for free
- 👍 Easy to use interface
- 🎛️ Versatile sound design capabilities
- 🎵 Great for GarageBand integration

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔌 Issues with GarageBand integration
- 💸 In-app purchase problems
- 🔄 Presets not saving
- 📉 App appears abandoned

**Reported bugs**

- App crashes when loading saved presets
- App crashes when setting default sound
- AUv3 option disappears in GarageBand
- Inability to reload user patches without crashing
- Inability to purchase certain IAP packs

**Requested features**

- Fix in-app purchase issues
- Improve GarageBand AUv3 stability
- Enable saving of custom presets
- Address crashing when loading presets
- Fix note pitch issues


## Frequently asked questions

### Is ThereMin Plus free?

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

### Is SynthMaster One for iPhone free?

SynthMaster One for iPhone is free to download, with in-app purchases available.

### Which has better reviews, ThereMin Plus or SynthMaster One for iPhone?

SynthMaster One for iPhone is rated higher. ThereMin Plus averages 1.0 out of 5 from 3 ratings, while SynthMaster One for iPhone averages 4.8 from 331 ratings.

### Do ThereMin Plus or SynthMaster One for iPhone have ads?

Neither ThereMin Plus nor SynthMaster One for iPhone shows ads.

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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.*