# ChessFlex vs ChessGrind

The clearest difference is iOS requirement: ChessFlex at 17.6 against ChessGrind's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ChessFlex sells 1 one-off in-app purchase and ChessGrind sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ChessFlex | ChessGrind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chessflex/id6761064938/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 2 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Labham LLC](https://appshunter.io/developer/1881832925) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### ChessFlex

[App page](https://appshunter.io/ios/app/chessflex/id6761064938)

Play chess with friends or AI without accounts or servers. Features a FIDE-formula rating system and asynchronous play. Offers an optional one-time unlock for in-depth game analysis and coaching.

**Highlights:** Play with friends via QR code or iMessage, Human-like AI bots with adjustable ELO, FIDE-formula rating system, Asynchronous and timed game modes, No chat, only chess notation, Private by design, no accounts or tracking, Optional game analysis and coaching unlock

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessFlex Study | $7.99 | one-time |


### ChessGrind

[App page](https://appshunter.io/ios/app/chessgrind-study-planner/id6789848865)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessGrind Pro | $3.99 | per month |
| ChessGrind Pro | $24.99 | per year |
| ChessGrind Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is ChessFlex free?

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

### Is ChessGrind free?

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

### Do ChessFlex or ChessGrind have ads?

Neither ChessFlex nor ChessGrind shows ads.

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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.*