# Moving Sound vs Instrument Sounds

The clearest difference is rating: Moving Sound at 5.0 against Instrument Sounds's 3.0. Moving Sound also leads on ratings volume (15 vs 4). Instrument Sounds's advantage is in-app purchases (none vs 4) and update cadence (every 6 weeks vs every 45 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Moving Sound sells 4 one-off in-app purchases. Instrument Sounds asks for nothing beyond the download.

Moving Sound holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 15 and 4 respectively.

Moving Sound ships an update every 45 months, Instrument Sounds every 6 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Moving Sound | Instrument Sounds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/moving-sound/id1477106248/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/instrument-sounds-learn-quiz/id6473613607/reviews) |
| Number of ratings | **15** | 4 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 127 MB | 22 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ben Singer](https://appshunter.io/developer/1477106247) | [Bang Vu](https://appshunter.io/developer/1136187265) |

## What reviewers say

### Moving Sound

[App page](https://appshunter.io/ios/app/moving-sound/id1477106248)

Experience classical music performances with integrated video, moving scores, composer interviews, and behind-the-scenes footage. This app offers a unique, interactive way to explore musical pieces beyond a traditional album format.

**Highlights:** Live performance videos, Interactive moving scores, Composer interviews, Behind-the-scenes footage, Unique media experience, Classical music exploration

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bonus Content | $4.99 | one-time |
| Bonus Content | $9.99 | one-time |
| Bonus Content | $19.99 | one-time |
| Bonus Content | $29.99 | one-time |


### Instrument Sounds

[App page](https://appshunter.io/ios/app/instrument-sounds-learn-quiz/id6473613607)

Explore over 100 musical instruments with high-quality audio and engaging quizzes. Learn about their history and cultural significance through an easy-to-use interface. Perfect for music lovers of all levels.

**Highlights:** Over 100 instruments, High-quality audio, Interactive quizzes, Instrument history and culture, User-friendly interface, Beginner and enthusiast friendly

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

**In-app purchases:** none


## Frequently asked questions

### Is Moving Sound free?

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

### Is Instrument Sounds free?

Instrument Sounds is free to download, with no in-app purchases.

### Which has better reviews, Moving Sound or Instrument Sounds?

Moving Sound is rated higher. Moving Sound averages 5.0 out of 5 from 15 ratings, while Instrument Sounds averages 3.0 from 4 ratings.

### Do Moving Sound or Instrument Sounds have ads?

Neither Moving Sound nor Instrument Sounds shows ads.

### Which is updated more often, Moving Sound or Instrument Sounds?

Moving Sound ships an update every 45 months, and Instrument Sounds every 6 weeks. Most recently, Moving Sound was updated on November 3, 2026 and Instrument Sounds on November 4, 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.*