# WorldSounding vs Scouter Synth

The clearest difference is in-app purchases: Scouter Synth at none against WorldSounding's 5. Scouter Synth also leads on ads (none vs shown). WorldSounding's advantage is update cadence (every 5 days vs every 4 weeks). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. WorldSounding sells 5 one-off in-app purchases. Scouter Synth asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for WorldSounding against 5.0 for Scouter Synth. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

WorldSounding ships an update every 5 days, Scouter Synth every 4 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | WorldSounding | Scouter Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/worldsounding/id6809993695/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/scouter-synth/id6811156018/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Andrew Scott](https://appshunter.io/developer/972402841) |

## What reviewers say

### WorldSounding

[App page](https://appshunter.io/ios/app/worldsounding/id6809993695)

Explore and manipulate unique musical compositions. Play individual pieces, layer multiple sounds simultaneously, and shape sonic textures. Record your creations or use ambient sounds to influence the performance.

**Highlights:** Layer multiple musical pieces, Synthesize and stretch sounds, Real-time performance shaping, Ambient sound analysis for pitch reference, High-quality audio recording (WAV), Bluetooth and AirPlay audio output, Dual Display mode

**Features:** iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorldRushing | $2.99 | one-time |
| WorldShifting | $2.99 | one-time |
| WorldWandering | $2.99 | one-time |
| WorldTuning | $2.99 | one-time |
| 4-Piece Set | $9.99 | one-time |


### Scouter Synth

[App page](https://appshunter.io/ios/app/scouter-synth/id6811156018)

Create music with a retro handheld console interface. Compose melodies, add synth sounds or samples, and mix tracks with effects. Perform live with a touch-sensitive pad and punch-in effects.

**Highlights:** Eight-track music composition, Multiple synth voices and sample playback, On-board effects and mixing console, Performance pad for live parameter control, MIDI and Bluetooth controller support, Import and record audio samples

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

**In-app purchases:** none


## Frequently asked questions

### Is WorldSounding free?

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

### Is Scouter Synth free?

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

### Which has better reviews, WorldSounding or Scouter Synth?

WorldSounding and Scouter Synth are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do WorldSounding or Scouter Synth have ads?

WorldSounding shows ads; Scouter Synth does not.

### Which is updated more often, WorldSounding or Scouter Synth?

WorldSounding ships an update every 5 days, and Scouter Synth every 4 weeks. Most recently, WorldSounding was updated on November 6, 2026 and Scouter Synth on October 31, 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.*