# Motorcycle sounds+ vs Scouter Σ

The clearest difference is in-app purchases: Scouter Σ at none against Motorcycle sounds+'s 4. Scouter Σ also leads on update cadence (every 9 days vs every 4 months). Motorcycle sounds+'s advantage is iOS requirement (16.6 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. Motorcycle sounds+ sells 4 one-off in-app purchases. Scouter Σ asks for nothing beyond the download.

Motorcycle sounds+ ships an update every 4 months, Scouter Σ every 9 days. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Motorcycle sounds+ | Scouter Σ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (166 ratings)](https://appshunter.io/ios/app/motorcycle-sounds-plus/id6443509741/reviews)** | — |
| Number of ratings | **166** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 23 MB |
| Requires iOS | **16.6** | 26.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Evo Tec Labs @ Pepperbit Online](https://appshunter.io/developer/1665371293) | [NAOKO UEDA](https://appshunter.io/developer/6794537735) |

## What reviewers say

### Motorcycle sounds+

[App page](https://appshunter.io/ios/app/motorcycle-sounds-plus/id6443509741)

Experience the powerful sounds of nearly 100 different motorcycles, from start-up to acceleration. Explore technical data and test your knowledge with an integrated quiz. Enjoy a user-friendly interface with a wide selection of top brands.

**Highlights:** Nearly 100 motorcycle sounds, 14 top motorcycle brands, Technical data and facts, Start-up and acceleration sounds, Integrated motorcycle quiz, User-friendly design

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $0.99 | one-time |
| 600 Coins | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Premium | $2.99 | one-time |


### Scouter Σ

[App page](https://appshunter.io/ios/app/scouter/id6795956813)

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

**In-app purchases:** none


## Frequently asked questions

### Is Motorcycle sounds+ free?

Motorcycle sounds+ is free to download, with in-app purchases available.

### Is Scouter Σ free?

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

### Do Motorcycle sounds+ or Scouter Σ have ads?

Both Motorcycle sounds+ and Scouter Σ show ads.

### Which is updated more often, Motorcycle sounds+ or Scouter Σ?

Motorcycle sounds+ ships an update every 4 months, and Scouter Σ every 9 days. Most recently, Motorcycle sounds+ was updated on October 8, 2026 and Scouter Σ on September 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.*