# Compound Quest vs AstroSpell

The clearest difference is price: Compound Quest at Free against AstroSpell's $0.99. Compound Quest also leads on iOS requirement (13.0 vs 17.0). AstroSpell's advantage is update cadence (every 6 days vs every 5 weeks). On ads, in-app purchases and device support there is nothing between them.

Compound Quest is free to download; AstroSpell costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Compound Quest ships an update every 5 weeks, AstroSpell every 6 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Compound Quest | AstroSpell |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Size | 26 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [毓鑫 戴](https://appshunter.io/developer/1498577196) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### Compound Quest

[App page](https://appshunter.io/ios/app/compound-quest/id6744287187)

**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 Compound Quest free?

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

### Is AstroSpell free?

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

### Do Compound Quest or AstroSpell have ads?

Neither Compound Quest nor AstroSpell shows ads.

### Which is updated more often, Compound Quest or AstroSpell?

Compound Quest ships an update every 5 weeks, and AstroSpell every 6 days. Most recently, Compound Quest was updated on October 7, 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.*