# Chess By Post vs SudokuAI

The clearest difference is ads: SudokuAI at none against Chess By Post's shown. SudokuAI also leads on iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Chess By Post | SudokuAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (254 ratings)](https://appshunter.io/ios/app/chess-by-post/id509928358/reviews)** | — |
| Number of ratings | **254** | — |
| Positive reviews | 80.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | — |
| Monetization | Ad-supported | — |
| Size | 38 MB | 40 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Games By Post LLC](https://appshunter.io/developer/449504484) | [Kaan DURUKAN](https://appshunter.io/developer/1887475326) |

## What reviewers say

### Chess By Post

[App page](https://appshunter.io/ios/app/chess-by-post/id509928358)

Engage in correspondence chess with others worldwide. Challenge friends or compete in ranked matches against similarly skilled players. The app offers automatic notifications for pending moves and tracks your progress with an Elo rating system.

**Highlights:** Correspondence chess, Ranked matches, Skill-based matchmaking, Chess puzzles, End game analysis, Move history explorer, Local hand-off games

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth gameplay
- 👍 Simple and intuitive interface
- 💡 Helpful planning mode
- 🌐 Cross-platform compatibility
- ⏱️ Leisurely pace of play

**What reviewers complain about**

- ⏳ Long wait times between moves
- 🐛 Glitches and bugs
- 🤖 Concerns about cheating/engine use
- 🔇 Lack of notifications/push updates
- 📊 Inaccurate/inflated ranking system

**Reported bugs**

- Moves not registering correctly
- Game freezes/crashes
- Notification issues
- Rating/scoring problems

**Requested features**

- Shorter move time limits
- Friends/social features
- Ability to report/block abusive players
- Board orientation/view options
- Customizable game settings


### SudokuAI

[App page](https://appshunter.io/ios/app/sudokuai-smart-solver/id6766059118)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess By Post free?

Chess By Post is free to download, with no in-app purchases.

### Is SudokuAI free?

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

### Do Chess By Post or SudokuAI have ads?

Chess By Post shows ads; SudokuAI does not.

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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.*