# Gradient Synth vs Musical Passport

The clearest difference is rating: Musical Passport at 5.0 against Gradient Synth's 4.4. Musical Passport also leads on in-app purchases (none vs 5) and update cadence (every 8 days vs monthly). Gradient Synth's advantage is ratings volume (63 vs 4). On price, ads and device support there is nothing between them.

Both are free to download. Gradient Synth sells 5 in-app purchases, starting at $9.99 per year. Musical Passport asks for nothing beyond the download.

Musical Passport holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Gradient Synth has 63 ratings behind it against 4, so its average is the more settled of the two.

Gradient Synth ships an update monthly, Musical Passport every 8 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Gradient Synth | Musical Passport |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (63 ratings)](https://appshunter.io/ios/app/gradient-synth/id6477543878/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/musical-passport/id6760736364/reviews)** |
| Number of ratings | **63** | 4 |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 43 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Apps Are Fun LLC](https://appshunter.io/developer/1659934806) | [Paul Bergeron](https://appshunter.io/developer/1886018669) |

## What reviewers say

### Gradient Synth

[App page](https://appshunter.io/ios/app/gradient-synth/id6477543878)

Transform colors into unique sounds with this intuitive music creation app. Designed for beginners and children, it offers a user-friendly interface and powerful features to explore and customize a wide range of audio experiences.

**Highlights:** Preset Generator, Color-based sound customization, User-friendly interface, MIDI keyboard integration, Dynamic audio effects, Polyphony

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gradient Synth Supporter (Yearly) | $9.99 | per year |
| Unlimited Presets | $19.99 | per year |
| 10 Presets | $0.99 | one-time |
| 75 Presets | $4.99 | one-time |
| Lifetime Unlock | $12.99 | one-time |


### Musical Passport

[App page](https://appshunter.io/ios/app/musical-passport/id6760736364)

Explore global music scenes by country, genre, and era. Save your favorite tracks and revisit explored regions with your personal music passport. Discover new artists and sounds from around the world.

**Highlights:** Explore music by country, Discover artists and genres, Dive into genre spotlights, Save favorite tracks locally, Revisit explored countries, Open third-party music links

**In-app purchases:** none


## Frequently asked questions

### Is Gradient Synth free?

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

### Is Musical Passport free?

Musical Passport is free to download, with no in-app purchases.

### Which has better reviews, Gradient Synth or Musical Passport?

Musical Passport is rated higher. Gradient Synth averages 4.4 out of 5 from 63 ratings, while Musical Passport averages 5.0 from 4 ratings.

### Do Gradient Synth or Musical Passport have ads?

Neither Gradient Synth nor Musical Passport shows ads.

### Which is updated more often, Gradient Synth or Musical Passport?

Gradient Synth ships an update monthly, and Musical Passport every 8 days. Most recently, Gradient Synth was updated on October 14, 2026 and Musical Passport on October 9, 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.*