# Universal Principles vs Spell Book

Universal Principles and Spell Book are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Universal Principles | Spell Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (4 ratings)](https://appshunter.io/ios/app/spell-book-knowledge/id6443749311/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 12 MB | 72 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mind Body Aware Games LLC](https://appshunter.io/developer/1018615903) | [Masum Islam](https://appshunter.io/developer/1531909571) |

## What reviewers say

### Universal Principles

[App page](https://appshunter.io/ios/app/universal-principles/id1613390887)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spell Book

[App page](https://appshunter.io/ios/app/spell-book-knowledge/id6443749311)

Discover a wide range of spells, from love and protection to wealth and magic. This app organizes various spell types, offering search functionality, weather forecasts, and a bookmarking feature for easy access to your favorite incantations.

**Highlights:** Extensive spell collection, Categorized spells, Search functionality, Weather forecast integration, Bookmark spells, User comments/knowledge sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is Universal Principles free?

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

### Is Spell Book free?

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

### Do Universal Principles or Spell Book have ads?

Neither Universal Principles nor Spell Book shows ads.

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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.*