# Hidden Numbers vs AstroSpell

The clearest difference is update cadence: AstroSpell at every 6 days against Hidden Numbers's every 10 months. AstroSpell also leads on price ($0.99 vs $1.99). Hidden Numbers's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Hidden Numbers costs $1.99 and AstroSpell $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hidden Numbers ships an update every 10 months, AstroSpell every 6 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Hidden Numbers | AstroSpell |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 days** |
| Size | 14 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michal Sajban](https://appshunter.io/developer/1523258286) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### Hidden Numbers

[App page](https://appshunter.io/ios/app/hidden-numbers-math-game-pro/id1552360997)

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

**In-app purchases:** none


### AstroSpell

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Numbers free?

Hidden Numbers costs $1.99, with no in-app purchases.

### Is AstroSpell free?

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

### Do Hidden Numbers or AstroSpell have ads?

Neither Hidden Numbers nor AstroSpell shows ads.

### Which is updated more often, Hidden Numbers or AstroSpell?

Hidden Numbers ships an update every 10 months, and AstroSpell every 6 days. Most recently, Hidden Numbers was updated on October 1, 2026 and AstroSpell on October 9, 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.*