# SynthMaster One for iPhone vs Exploring the Space

The clearest difference is in-app purchases: Exploring the Space at none against SynthMaster One for iPhone's 10. Exploring the Space also leads on rating (5.0 vs 4.7) and update cadence (fortnightly vs every 2 months). SynthMaster One for iPhone's advantage is ratings volume (332 vs 1) and iOS requirement (10.0 vs 15.1). 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. Exploring the Space asks for nothing beyond the download.

Exploring the Space holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: SynthMaster One for iPhone has 332 ratings behind it against 1, so its average is the more settled of the two.

SynthMaster One for iPhone ships an update every 2 months, Exploring the Space fortnightly. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SynthMaster One for iPhone | Exploring the Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (332 ratings)](https://appshunter.io/ios/app/synthmaster-one-for-iphone/id1490902617/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/exploring-the-space/id1642123102/reviews)** |
| Number of ratings | **332** | 1 |
| Positive reviews | 66.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 297 MB | 16 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KV331 Audio](https://appshunter.io/developer/944155925) | [Andrew Tisdall](https://appshunter.io/developer/1642123104) |

## What reviewers say

### 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


### Exploring the Space

[App page](https://appshunter.io/ios/app/exploring-the-space/id1642123102)

Organize and listen to musical recordings like rehearsals, demos, and rough mixes. This app serves as a central hub for artists to manage their compositional process.

**Highlights:** Organize musical recordings, Catalog rehearsals, Manage demos, Listen to rough mixes, Central hub for artists

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SynthMaster One for iPhone free?

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

### Is Exploring the Space free?

Exploring the Space is free to download, with no in-app purchases.

### Which has better reviews, SynthMaster One for iPhone or Exploring the Space?

Exploring the Space is rated higher. SynthMaster One for iPhone averages 4.7 out of 5 from 332 ratings, while Exploring the Space averages 5.0 from 1 ratings.

### Do SynthMaster One for iPhone or Exploring the Space have ads?

Neither SynthMaster One for iPhone nor Exploring the Space shows ads.

### Which is updated more often, SynthMaster One for iPhone or Exploring the Space?

SynthMaster One for iPhone ships an update every 2 months, and Exploring the Space fortnightly. Most recently, SynthMaster One for iPhone was updated on October 24, 2026 and Exploring the Space on October 18, 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.*