# SudokuVault vs AstroSpell

The clearest difference is price: SudokuVault at Free against AstroSpell's $0.99. SudokuVault also leads on iOS requirement (15.0 vs 17.0). AstroSpell's advantage is in-app purchases (none vs 1) and update cadence (every 6 days vs fortnightly). On ads and device support there is nothing between them.

SudokuVault is free to download; AstroSpell costs $0.99 up front. SudokuVault sells 1 one-off in-app purchase. AstroSpell asks for nothing beyond the download.

SudokuVault ships an update fortnightly, AstroSpell every 6 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | SudokuVault | AstroSpell |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 3 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seishin Team SRL](https://appshunter.io/developer/1858298939) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### SudokuVault

[App page](https://appshunter.io/ios/app/sudokuvault/id6756740405)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SudokuVault PRO Lifetime | $2.99 | one-time |


### AstroSpell

[App page](https://appshunter.io/ios/app/astrospell/id6773369340)

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

**In-app purchases:** none


## Frequently asked questions

### Is SudokuVault free?

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

### Is AstroSpell free?

AstroSpell costs $0.99, with no in-app purchases.

### Do SudokuVault or AstroSpell have ads?

Neither SudokuVault nor AstroSpell shows ads.

### Which is updated more often, SudokuVault or AstroSpell?

SudokuVault ships an update fortnightly, and AstroSpell every 6 days. Most recently, SudokuVault was updated on November 5, 2026 and AstroSpell 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.*