# Modizer vs Sonic Atlas Project

The clearest difference is rating: Sonic Atlas Project at 5.0 against Modizer's 4.4. Sonic Atlas Project also leads on in-app purchases (none vs 3) and review sentiment (100% vs 82%). Modizer's advantage is ads (none vs shown) and ratings volume (90 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Modizer sells 3 one-off in-app purchases. Sonic Atlas Project asks for nothing beyond the download.

Sonic Atlas Project holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Modizer has 90 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 82% of Modizer's written reviews are positive against 100% of Sonic Atlas Project's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 30, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | Modizer | Sonic Atlas Project |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (90 ratings)](https://appshunter.io/ios/app/modizer/id393964792/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sonic-atlas-project/id6754346403/reviews)** |
| Number of ratings | **90** | 1 |
| Positive reviews | 82.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 361 MB | 52 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [YoyoFR](https://appshunter.io/developer/393964795) | [VUXO I, CORP.](https://appshunter.io/developer/1144164576) |

## What reviewers say

### Modizer

[App page](https://appshunter.io/ios/app/modizer/id393964792)

Listen to music from classic computers and consoles, supporting over 1100 formats. Access extensive music databases, manage your collection with playlists and archives, and enjoy high-quality MIDI playback with lyrics. Features include background playback, visualizations, and a built-in web browser.

**Highlights:** Supports over 1100 music formats, High-quality MIDI playback with lyrics, Access to music databases (Modland, HVSC, ASMA), Built-in web browser with FTP/HTTP downloads, Playlist and archive support, Multiple visualizations, Background playback

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modizer small tip | $1.99 | one-time |
| Modizer medium tip | $4.99 | one-time |
| Modizer large tip | $9.99 | one-time |

**What reviewers like**

- 🚀 Best mid player
- 👍 Plays custom formats accurately
- 👍 Supports a huge number of formats
- 👍 Ability to download music from inside the app
- 👍 Can view information stored in custom formats

**What reviewers complain about**

- 🐛 Performance issues on older iPads
- 🐛 Latest update has rendered app useless
- 🐛 Playlist management issues
- 🐛 Crashes when trying to download new music
- 🐛 Confusing navigation and UI

**Reported bugs**

- Crashes when viewing playlists
- Playlist not refreshing after deleting songs
- SPC music looping issues
- FLAC playback broken in recent update
- SID track playback issues after update

**Requested features**

- Fade length setting
- WSR (Wonderswan) format support
- FLAC support
- More frequent updates
- UI customization options


### Sonic Atlas Project

[App page](https://appshunter.io/ios/app/sonic-atlas-project/id6754346403)

Explore and contribute to a global library of real-world soundscapes. Discover the unique audio environments of various locations and document your own experiences for others to hear.

**Highlights:** Explore diverse soundscapes, Contribute personal sound recordings, Compare sounds across locations, Discover changing audio environments, Listen to real-world audio

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Modizer free?

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

### Is Sonic Atlas Project free?

Sonic Atlas Project is free to download, with no in-app purchases.

### Which has better reviews, Modizer or Sonic Atlas Project?

Sonic Atlas Project is rated higher. Modizer averages 4.4 out of 5 from 90 ratings, while Sonic Atlas Project averages 5.0 from 1 ratings.

### Do Modizer or Sonic Atlas Project have ads?

Sonic Atlas Project shows ads; Modizer does not.

### Which is updated more often, Modizer or Sonic Atlas Project?

Modizer ships an update monthly, and Sonic Atlas Project monthly. Most recently, Modizer was updated on September 30, 2026 and Sonic Atlas Project on July 17, 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.*