# SUS4 Loop Builder vs RiffAlly Loop

The clearest difference is update cadence: RiffAlly Loop at every 9 days against SUS4 Loop Builder's every 4 weeks. SUS4 Loop Builder's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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 RiffAlly Loop sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SUS4 Loop Builder ships an update every 4 weeks, RiffAlly Loop every 9 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SUS4 Loop Builder | RiffAlly Loop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Size | 27 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ThePaulSmith](https://appshunter.io/developer/319584506) | [Fernando Lanner Cardoso](https://appshunter.io/developer/6806420473) |

## 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 |


### RiffAlly Loop

[App page](https://appshunter.io/ios/app/riffally-loop/id6809630684)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $1.99 | one-time |
| Supporter tip | $4.99 | one-time |
| Generous tip | $9.99 | one-time |


## Frequently asked questions

### Is SUS4 Loop Builder free?

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

### Is RiffAlly Loop free?

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

### Do SUS4 Loop Builder or RiffAlly Loop have ads?

Neither SUS4 Loop Builder nor RiffAlly Loop shows ads.

### Which is updated more often, SUS4 Loop Builder or RiffAlly Loop?

SUS4 Loop Builder ships an update every 4 weeks, and RiffAlly Loop every 9 days. Most recently, SUS4 Loop Builder was updated on October 25, 2026 and RiffAlly Loop on October 31, 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.*