# iDousyn Lite vs SynthMaster One for iPhone

The clearest difference is ads: SynthMaster One for iPhone at none against iDousyn Lite's shown. SynthMaster One for iPhone also leads on review sentiment (66% vs 36%) and rating (4.8 vs 4.4). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. iDousyn Lite sells 1 one-off in-app purchase and SynthMaster One for iPhone sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SynthMaster One for iPhone holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 697 and 331 respectively. Written reviews point the same way: 36% of iDousyn Lite's written reviews are positive against 66% of SynthMaster One for iPhone's.

iDousyn Lite ships an update every 3 months, SynthMaster One for iPhone every 2 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iDousyn Lite | SynthMaster One for iPhone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (697 ratings)](https://appshunter.io/ios/app/idousyn-lite/id992557221/reviews) | **[4.8 (331 ratings)](https://appshunter.io/ios/app/synthmaster-one-for-iphone/id1490902617/reviews)** |
| Number of ratings | **697** | 331 |
| Positive reviews | 36.4% of reviews | **66.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 67 MB | 297 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [KV331 Audio](https://appshunter.io/developer/944155925) |

## What reviewers say

### iDousyn Lite

[App page](https://appshunter.io/ios/app/idousyn-lite/id992557221)

This app transforms your device into a versatile musical instrument, offering a wide range of high-quality sounds and intuitive tools for creating melodies and harmonies. Explore authentic pianos, basses, guitars, and more with innovative features like Chord Pads and DSP effects.

**Highlights:** 8-Octave Virtual Keyboard, Chord Pads with Strum Options, High-Fidelity Oscillators, DSP Effects (Reverb, Delay, EQ), Dual-Channel Sound Blending, MIDI Controller Support, Export to WAV, AIFF, CAF, M4A

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 🎵 High quality sounds
- 👍 Well-designed GUI layout

**What reviewers complain about**

- 📢 Excessive ads and pop-ups
- ⏱️ High latency and slow keyboard response
- 🔄 Intrusive review prompts interrupting usage
- 🎹 Instrument switching bug causing audio overlap

**Reported bugs**

- Piano audio continues playing when switching to other instruments
- App locks up until user submits a review
- Frequent pop-ups and ads interrupt functionality

**Requested features**

- Ringtone customization options


### 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 iDousyn Lite free?

iDousyn Lite is free to download, with in-app purchases available.

### Is SynthMaster One for iPhone free?

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

### Which has better reviews, iDousyn Lite or SynthMaster One for iPhone?

SynthMaster One for iPhone is rated higher. iDousyn Lite averages 4.4 out of 5 from 697 ratings, while SynthMaster One for iPhone averages 4.8 from 331 ratings.

### Do iDousyn Lite or SynthMaster One for iPhone have ads?

iDousyn Lite shows ads; SynthMaster One for iPhone does not.

### Which is updated more often, iDousyn Lite or SynthMaster One for iPhone?

iDousyn Lite ships an update every 3 months, and SynthMaster One for iPhone every 2 months. Most recently, iDousyn Lite was updated on October 16, 2026 and SynthMaster One for iPhone on October 14, 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.*