# Sing LOOP! vs Cla

The clearest difference is price: Cla at Free against Sing LOOP!'s $8.99. Cla also leads on update cadence (every 3 days vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Cla is free to download; Sing LOOP! costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sing LOOP! ships an update every 5 months, Cla every 3 days. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sing LOOP! | Cla |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Size | 5 MB | 153 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pieter Yoshua Natanael](https://appshunter.io/developer/1657373397) | [SHINSUKE ISHIDA](https://appshunter.io/developer/1747849427) |

## What reviewers say

### Sing LOOP!

[App page](https://appshunter.io/ios/app/sing-loop/id6480459464)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cla

[App page](https://appshunter.io/ios/app/cla-gene-trial-edition/id6503878424)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sing LOOP! free?

Sing LOOP! costs $8.99, with no in-app purchases.

### Is Cla free?

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

### Do Sing LOOP! or Cla have ads?

Neither Sing LOOP! nor Cla shows ads.

### Which is updated more often, Sing LOOP! or Cla?

Sing LOOP! ships an update every 5 months, and Cla every 3 days. Most recently, Sing LOOP! was updated on October 3, 2026 and Cla on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*