# Paper Trained vs Theory Forge

The clearest difference is device support: Theory Forge at 3 against Paper Trained's —. Paper Trained's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Paper Trained | Theory Forge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/theory-forge/id6762159961/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | — | No |
| Monetization | — | Free |
| Size | 23 MB | 18 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Flipover Software LLC](https://appshunter.io/developer/1032810042) | [DANIEL WADE IVERS](https://appshunter.io/developer/1893173294) |

## What reviewers say

### Paper Trained

[App page](https://appshunter.io/ios/app/paper-trained/id6761959743)

**In-app purchases:** none


### Theory Forge

[App page](https://appshunter.io/ios/app/theory-forge/id6762159961)

This app offers focused repetition drills to help musicians of all levels master music theory fundamentals. It covers intervals, scales, chords, and staff reading with progress tracking and achievement badges.

**Highlights:** Interval drills, Scale identification, Triad construction, Staff reading practice, Speed and mixed drills, Progress tracking, Achievement badges

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Paper Trained free?

Paper Trained is free to download, with no in-app purchases.

### Is Theory Forge free?

Theory Forge is free to download, with no in-app purchases.

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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.*