# Ready Raven vs CrispSudoku

The clearest difference is iOS requirement: CrispSudoku at 15.0 against Ready Raven's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Ready Raven | CrispSudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 57 MB | 20 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SEBASTIAN ROLAND LUNDBERG](https://appshunter.io/developer/1873041763) | [Christian Strobele](https://appshunter.io/developer/6788864041) |

## What reviewers say

### Ready Raven

[App page](https://appshunter.io/ios/app/ready-raven/id6758461470)

**Features:** macOS Compatibility

**In-app purchases:** none


### CrispSudoku

[App page](https://appshunter.io/ios/app/crispsudoku/id6788990894)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ready Raven free?

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

### Is CrispSudoku free?

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

### Do Ready Raven or CrispSudoku have ads?

Neither Ready Raven nor CrispSudoku shows ads.

### Which is updated more often, Ready Raven or CrispSudoku?

Ready Raven ships an update fortnightly, and CrispSudoku fortnightly. Most recently, Ready Raven was updated on November 9, 2026 and CrispSudoku on November 10, 2026.

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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.*