# Lingo Chill vs Cosuki

The clearest difference is iOS requirement: Cosuki at 13.0 against Lingo Chill's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lingo Chill sells 3 in-app purchases, starting at $7.99 per month and Cosuki sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lingo Chill ships an update every 4 days, Cosuki weekly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Lingo Chill | Cosuki |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Size | 60 MB | 40 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FIDU SOLUTIONS COMPANY LIMITED](https://appshunter.io/developer/1745047518) | [Khuselbayar Enkhmunkh](https://appshunter.io/developer/6807482270) |

## What reviewers say

### Lingo Chill

[App page](https://appshunter.io/ios/app/lingo-chill-language-learning/id6799665808)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium 3 Months | $19.99 | per 3 months |
| Premium Yearly | $39.99 | per year |


### Cosuki

[App page](https://appshunter.io/ios/app/cosuki-learn-algebra/id6807482268)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cosuki Plus | $4.99 | one-time |


## Frequently asked questions

### Is Lingo Chill free?

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

### Is Cosuki free?

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

### Do Lingo Chill or Cosuki have ads?

Neither Lingo Chill nor Cosuki shows ads.

### Which is updated more often, Lingo Chill or Cosuki?

Lingo Chill ships an update every 4 days, and Cosuki weekly. Most recently, Lingo Chill was updated on October 16, 2026 and Cosuki 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.*