# Looped21 vs HarmonySOS

The clearest difference is in-app purchases: HarmonySOS at none against Looped21's 3. HarmonySOS also leads on update cadence (weekly vs every 9 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Looped21 sells 3 in-app purchases, starting at $0.99 per month. HarmonySOS asks for nothing beyond the download.

Looped21 ships an update every 9 months, HarmonySOS weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Looped21 | HarmonySOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Size | 3 MB | 51 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MAMN84](https://appshunter.io/developer/351982783) | [basel boulos](https://appshunter.io/developer/1780972955) |

## What reviewers say

### Looped21

[App page](https://appshunter.io/ios/app/looped21/id6746688415)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $0.99 | per month |
| Premium - Yearly | $9.99 | per year |
| Life Time | $19.99 | one-time |


### HarmonySOS

[App page](https://appshunter.io/ios/app/harmonysos/id6747705318)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Looped21 free?

Looped21 is free to download, with in-app purchases available.

### Is HarmonySOS free?

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

### Do Looped21 or HarmonySOS have ads?

Neither Looped21 nor HarmonySOS shows ads.

### Which is updated more often, Looped21 or HarmonySOS?

Looped21 ships an update every 9 months, and HarmonySOS weekly. Most recently, Looped21 was updated on October 28, 2026 and HarmonySOS on October 28, 2026.

---

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