# Otto vs Languan

The clearest difference is device support: Otto at 4 against Languan's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Otto sells 6 in-app purchases, starting at $2.99 per month and Languan sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Otto ships an update every 5 days, Languan every 3 days. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Otto | Languan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 159 MB | 27 MB |
| Requires iOS | **16.0.0** | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Tom Honey](https://appshunter.io/developer/1782767469) | [cenk yilmaz](https://appshunter.io/developer/1891957142) |

## What reviewers say

### Otto

[App page](https://appshunter.io/ios/app/otto-language-learning/id6738887838)

**Features:** Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Otto Pro - Monthly | $2.99 | per month |
| Otto Pro - Yearly | $29.99 | per year |
| 20 Tokens | $1.99 | one-time |
| 70 Tokens | $4.99 | one-time |
| 180 Tokens | $9.99 | one-time |
| 450 Tokens | $24.99 | one-time |


### Languan

[App page](https://appshunter.io/ios/app/languan-language-learning/id6762097616)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Languan Pro Weekly | $2.99 | per 7 days |
| Languan Pro Monthly | $7.99 | per month |
| Languan Pro Yearly | $34.99 | per year |


## Frequently asked questions

### Is Otto free?

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

### Is Languan free?

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

### Do Otto or Languan have ads?

Neither Otto nor Languan shows ads.

### Which is updated more often, Otto or Languan?

Otto ships an update every 5 days, and Languan every 3 days. Most recently, Otto was updated on October 11, 2026 and Languan on October 3, 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.*