# Altered# vs Unexpected Music

The clearest difference is in-app purchases: Altered# at none against Unexpected Music's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Unexpected Music sells 2 one-off in-app purchases. Altered# asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on May 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Altered# | Unexpected Music |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 10 MB | 139 MB |
| Requires iOS | 15.4 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luca Rocchi](https://appshunter.io/developer/548616709) | [Atilio Menendez](https://appshunter.io/developer/1644549877) |

## What reviewers say

### Altered#

[App page](https://appshunter.io/ios/app/altered/id1639197819)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unexpected Music

[App page](https://appshunter.io/ios/app/unexpected-music/id6444657753)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day trial of the pro version | Free | one-time |
| Upgrade to the pro version | $4.99 | one-time |


## Frequently asked questions

### Is Altered# free?

Altered# is free to download, with no in-app purchases.

### Is Unexpected Music free?

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

### Do Altered# or Unexpected Music have ads?

Neither Altered# nor Unexpected Music shows ads.

### Which is updated more often, Altered# or Unexpected Music?

Altered# ships an update every 5 days, and Unexpected Music every 5 days. Most recently, Altered# was updated on May 16, 2026 and Unexpected Music on September 14, 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.*