# SUS4 Loop Builder vs Musician's Looper

The clearest difference is ads: SUS4 Loop Builder at none against Musician's Looper's shown. SUS4 Loop Builder also leads on iOS requirement (16.0 vs 26.2). Musician's Looper's advantage is update cadence (fortnightly vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SUS4 Loop Builder sells 2 in-app purchases, starting at $0.99 per month and Musician's Looper sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SUS4 Loop Builder ships an update monthly, Musician's Looper fortnightly. Both last shipped on October 12, 2026.

## The numbers

| Metric | SUS4 Loop Builder | Musician's Looper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Size | 20 MB | 17 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ThePaulSmith](https://appshunter.io/developer/319584506) | [feb19](https://appshunter.io/developer/358045838) |

## What reviewers say

### SUS4 Loop Builder

[App page](https://appshunter.io/ios/app/sus4-loop-builder-looper/id6777230284)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUS4 Loop Builder Pro Monthly | $0.99 | per month |
| SUS4 All-Access | $4.99 | per month |


### Musician's Looper

[App page](https://appshunter.io/ios/app/musicians-looper/id6779644908)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Yearly Plan | $29.99 | per year |


## Frequently asked questions

### Is SUS4 Loop Builder free?

SUS4 Loop Builder is free to download, with in-app purchases available.

### Is Musician's Looper free?

Musician's Looper is free to download, with in-app purchases available.

### Do SUS4 Loop Builder or Musician's Looper have ads?

Musician's Looper shows ads; SUS4 Loop Builder does not.

### Which is updated more often, SUS4 Loop Builder or Musician's Looper?

SUS4 Loop Builder ships an update monthly, and Musician's Looper fortnightly. Most recently, SUS4 Loop Builder was updated on October 12, 2026 and Musician's Looper on October 12, 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.*