# 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). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. SUS4 Loop Builder sells 3 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 every 4 weeks, Musician's Looper fortnightly. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SUS4 Loop Builder | Musician's Looper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Size | 27 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-loop-pedal/id6777230284)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUS4 Loop Builder Pro Monthly | $0.99 | per month |
| SUS4 All-Access | $4.99 | per month |
| SUS4 Loop Builder Lifetime | $59.99 | one-time |


### 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 every 4 weeks, and Musician's Looper fortnightly. Most recently, SUS4 Loop Builder was updated on October 25, 2026 and Musician's Looper on October 21, 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.*