# Openings Mastermind vs Help Leo Find Differences

The clearest difference is in-app purchases: Openings Mastermind at none against Help Leo Find Differences's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Help Leo Find Differences sells 4 in-app purchases, starting at $0.99 per 7 days. Openings Mastermind asks for nothing beyond the download.

## The numbers

| Metric | Openings Mastermind | Help Leo Find Differences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/openings-mastermind/id6448386251/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 88 MB | 118 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christian Heise](https://appshunter.io/developer/1632898424) | [Dmitriy Buzulutskiy](https://appshunter.io/developer/1841415693) |

## What reviewers say

### Openings Mastermind

[App page](https://appshunter.io/ios/app/openings-mastermind/id6448386251)

Master chess openings with this app. Import studies, explore with advanced engines, and practice specific lines through repetition. Track your progress and improve your game.

**Highlights:** Import Lichess Studies or PGNs, Explore openings with Stockfish 15, Practice openings by repetition, Smart practice queue, Track learning progress

**Features:** macOS Compatibility

**In-app purchases:** none


### Help Leo Find Differences

[App page](https://appshunter.io/ios/app/help-leo-find-differences/id6770285730)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LeoFind Weekly | $0.99 | per 7 days |
| LeoFind Monthly | $3.99 | per month |
| LeoFind Yearly | $9.99 | per year |
| LeoFind Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Openings Mastermind free?

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

### Is Help Leo Find Differences free?

Help Leo Find Differences is free to download, with in-app purchases available.

### Do Openings Mastermind or Help Leo Find Differences have ads?

Neither Openings Mastermind nor Help Leo Find Differences 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.*