# Grimorio vs Astraea

The clearest difference is ads: Astraea at none against Grimorio's shown. Grimorio's advantage is update cadence (every 4 days vs fortnightly) and iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Grimorio sells 2 in-app purchases, starting at $2.99 per month and Astraea sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Grimorio ships an update every 4 days, Astraea fortnightly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grimorio | Astraea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (23 ratings)](https://appshunter.io/ios/app/grimorio/id6761935740/reviews)** | — |
| Number of ratings | **23** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 173 MB | 73 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Blank Tech](https://appshunter.io/developer/1889611867) | [Jose Carlos Villarreal](https://appshunter.io/developer/1845626085) |

## What reviewers say

### Grimorio

[App page](https://appshunter.io/ios/app/grimorio/id6761935740)

Explore the mystical arts with a comprehensive digital grimoire. Discover information on minerals, herbs, deities, and rituals, alongside interactive divination tools and structured lessons on occultism. Track lunar phases and celestial events with a built-in calendar.

**Highlights:** Esoteric encyclopedia, Interactive divination tools, Lunar and ritual calendar, Structured occult lessons, Offline functionality, Multilingual support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grimorio Pro Monthly | $2.99 | per month |
| Grimorio Pro Annual | $24.99 | per year |


### Astraea

[App page](https://appshunter.io/ios/app/astraea-learn-astronomy/id6790015981)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astraea Premium Monthly | $3.99 | per month |
| Astraea Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Grimorio free?

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

### Is Astraea free?

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

### Do Grimorio or Astraea have ads?

Grimorio shows ads; Astraea does not.

### Which is updated more often, Grimorio or Astraea?

Grimorio ships an update every 4 days, and Astraea fortnightly. Most recently, Grimorio was updated on November 9, 2026 and Astraea on October 31, 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.*