# ChessLab vs OpeningDrill

The clearest difference is in-app purchases: OpeningDrill at none against ChessLab's 1. ChessLab's advantage is device support and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. ChessLab sells 1 in-app purchase, starting at $1.99 per month. OpeningDrill asks for nothing beyond the download.

## The numbers

| Metric | ChessLab | OpeningDrill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 4 days | — |
| Size | 167 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Aman Singh](https://appshunter.io/developer/1855941960) | [TYLER ANTHONY BUSSANICH](https://appshunter.io/developer/6772781644) |

## What reviewers say

### ChessLab

[App page](https://appshunter.io/ios/app/chesslab-openings-and-puzzles/id6756285285)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium | $1.99 | per month |


### OpeningDrill

[App page](https://appshunter.io/ios/app/openingdrill/id6772781642)

**In-app purchases:** none


## Frequently asked questions

### Is ChessLab free?

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

### Is OpeningDrill free?

OpeningDrill is free to download, with no in-app purchases.

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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.*