# Osmosis Box vs Chatter

The clearest difference is update cadence: Osmosis Box at weekly against Chatter's every 2 months. Osmosis Box also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Osmosis Box sells 2 in-app purchases, starting at $1.69 per month and Chatter sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Osmosis Box ships an update weekly, Chatter every 2 months. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Osmosis Box | Chatter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 240 MB | 4 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Guangde Pili Pala Technology Co., Ltd.](https://appshunter.io/developer/1764862893) | [Justin Pruskowski](https://appshunter.io/developer/466301805) |

## What reviewers say

### Osmosis Box

[App page](https://appshunter.io/ios/app/osmosis-box/id6739975159)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly membership | $1.69 | per month |
| Yearly membership | $12.99 | per year |


### Chatter

[App page](https://appshunter.io/ios/app/chatter-ai-language-practice/id6782220758)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chatter Pro Monthly | $9.99 | per month |
| Chatter Pro Annual | $69.99 | per year |
| Chatter Pro Lifetime | $129.00 | one-time |


## Frequently asked questions

### Is Osmosis Box free?

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

### Is Chatter free?

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

### Do Osmosis Box or Chatter have ads?

Neither Osmosis Box nor Chatter shows ads.

### Which is updated more often, Osmosis Box or Chatter?

Osmosis Box ships an update weekly, and Chatter every 2 months. Most recently, Osmosis Box was updated on October 5, 2026 and Chatter on October 16, 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.*