# Chess with Robots vs ChessBased

The clearest difference is ads: ChessBased at none against Chess with Robots's shown. Chess with Robots's advantage is update cadence (every 4 days vs monthly) and iOS requirement (9.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chess with Robots sells 3 one-off in-app purchases and ChessBased sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Chess with Robots ships an update every 4 days, ChessBased monthly. The most recent releases landed on May 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Chess with Robots | ChessBased |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 91 MB | 2 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adrian McPhee](https://appshunter.io/developer/1523171224) | [ENVISIONAIRY LLC](https://appshunter.io/developer/1605281065) |

## What reviewers say

### Chess with Robots

[App page](https://appshunter.io/ios/app/chess-with-robots/id1543684589)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 0LU | $0.99 | one-time |
| L1V | $0.99 | one-time |
| 0scar | $0.99 | one-time |


### ChessBased

[App page](https://appshunter.io/ios/app/chessbased-stockfish-19/id6773557320)

Analyze chess openings with millions of games and advanced engine evaluations. Prepare like a grandmaster with a seamless interface, win-loss statistics, and move-by-move exploration. Save your favorite lines for later study on your iPhone or iPad.

**Highlights:** Millions of games database, Stockfish 18 engine evaluations, Win-loss statistics, Move-by-move exploration, Save favorite lines, Seamless UI

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessBased: Stockfish 18 | $4.99 | one-time |


## Frequently asked questions

### Is Chess with Robots free?

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

### Is ChessBased free?

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

### Do Chess with Robots or ChessBased have ads?

Chess with Robots shows ads; ChessBased does not.

### Which is updated more often, Chess with Robots or ChessBased?

Chess with Robots ships an update every 4 days, and ChessBased monthly. Most recently, Chess with Robots was updated on May 16, 2026 and ChessBased on September 13, 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.*