# Feynman rules vs Quiet Games · Classic

The clearest difference is in-app purchases: Feynman rules at none against Quiet Games · Classic's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Quiet Games · Classic sells 1 one-off in-app purchase. Feynman rules asks for nothing beyond the download.

## The numbers

| Metric | Feynman rules | Quiet Games · Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quiet-games-classic/id6760143106/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [xuan liu](https://appshunter.io/developer/1877979435) |

## What reviewers say

### Feynman rules

[App page](https://appshunter.io/ios/app/feynman-rules/id6478752222)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quiet Games · Classic

[App page](https://appshunter.io/ios/app/quiet-games-classic/id6760143106)

Enjoy a collection of six classic offline puzzle games without any advertisements. Play Sudoku, Minesweeper, 2048, and more. Easy and Medium difficulties are free, with an option to unlock Hard mode for a one-time purchase.

**Highlights:** Six classic puzzle games, No ads or interruptions, Offline play, Sudoku, Minesweeper, 2048, Cascade, Gomoku, Othello, Unlockable hard modes, One-time purchase for full access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $2.99 | one-time |


## Frequently asked questions

### Is Feynman rules free?

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

### Is Quiet Games · Classic free?

Quiet Games · Classic is free to download, with in-app purchases available.

### Do Feynman rules or Quiet Games · Classic have ads?

Neither Feynman rules nor Quiet Games · Classic 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.*