# DigiChess vs Osmosis Box

The clearest difference is update cadence: Osmosis Box at weekly against DigiChess's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DigiChess sells 1 one-off in-app purchase and Osmosis Box sells 2 in-app purchases, starting at $1.69 per month. Whichever you choose, the download price is not the number that matters.

DigiChess ships an update every 8 months, Osmosis Box weekly. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DigiChess | Osmosis Box |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Paid | — |
| Size | 24 MB | 240 MB |
| Requires iOS | **15.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solnatrix Inc.](https://appshunter.io/developer/1642997323) | [Guangde Pili Pala Technology Co., Ltd.](https://appshunter.io/developer/1764862893) |

## What reviewers say

### DigiChess

[App page](https://appshunter.io/ios/app/digichess/id1642997321)

Instantly convert chess board images into interactive digital representations. An AI recognizes pieces, eliminating manual setup and saving preparation time. Export positions to analysis engines or popular chess platforms.

**Highlights:** Image to digital board conversion, AI piece recognition, FEN description generation, Save and edit positions, Export to Lichess/Chess.com

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DigiChess Premium No Advertisements | $7.99 | one-time |


### 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 |


## Frequently asked questions

### Is DigiChess free?

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

### Is Osmosis Box free?

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

### Do DigiChess or Osmosis Box have ads?

Neither DigiChess nor Osmosis Box shows ads.

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

DigiChess ships an update every 8 months, and Osmosis Box weekly. Most recently, DigiChess was updated on October 6, 2026 and Osmosis Box on October 28, 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.*