# Loop Chain vs Letreo

The clearest difference is in-app purchases: Letreo at none against Loop Chain's 5. Letreo also leads on ads (none vs shown) and update cadence (weekly vs every 17 months). Loop Chain's advantage is iOS requirement (12.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Loop Chain sells 5 one-off in-app purchases. Letreo asks for nothing beyond the download.

Loop Chain ships an update every 17 months, Letreo weekly. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Loop Chain | Letreo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (23 ratings)](https://appshunter.io/ios/app/loop-chain-puzzle/id1422668090/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 17 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nirav Tank](https://appshunter.io/developer/1422668089) | [Jonathan Abimael Cruz Orozco](https://appshunter.io/developer/1111055904) |

## What reviewers say

### Loop Chain

[App page](https://appshunter.io/ios/app/loop-chain-puzzle/id1422668090)

Create intricate loop patterns in this relaxing puzzle game. Connect wires to form shapes and enjoy a soothing soundtrack. Save your artistic designs as wallpapers and de-stress with infinite levels.

**Highlights:** Infinite levels, Create and disconnect loops, Soothing soundtrack, Save designs as wallpapers, Artistic and logical gameplay, Game Center integration

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| 250 Coins | $0.99 | one-time |
| 550 Coins | $1.99 | one-time |
| 1200 Coins | $2.99 | one-time |
| 1500 Coins | $3.99 | one-time |


### Letreo

[App page](https://appshunter.io/ios/app/letreo/id6759989483)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Loop Chain free?

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

### Is Letreo free?

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

### Do Loop Chain or Letreo have ads?

Loop Chain shows ads; Letreo does not.

### Which is updated more often, Loop Chain or Letreo?

Loop Chain ships an update every 17 months, and Letreo weekly. Most recently, Loop Chain was updated on October 22, 2026 and Letreo on October 9, 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.*