# Note Forge vs Trinity Theory Practice

The clearest difference is in-app purchases: Note Forge at none against Trinity Theory Practice's 6. Note Forge also leads on update cadence (every 10 days vs every 6 weeks). Trinity Theory Practice's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Trinity Theory Practice sells 6 in-app purchases, starting at $2.99 per month. Note Forge asks for nothing beyond the download.

Note Forge ships an update every 10 days, Trinity Theory Practice every 6 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Note Forge | Trinity Theory Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Size | 3 MB | 100 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jason Zachariah](https://appshunter.io/developer/1896513710) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### Note Forge

[App page](https://appshunter.io/ios/app/note-forge-music-theory/id6771579983)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trinity Theory Practice

[App page](https://appshunter.io/ios/app/trinity-theory-practice/id6773275447)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Weekly | $3.99 | per 7 days |
| Monthly | $7.99 | per month |
| Yearly | $12.99 | per year |
| 3 Months | $16.99 | per 3 months |
| Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Note Forge free?

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

### Is Trinity Theory Practice free?

Trinity Theory Practice is free to download, with in-app purchases available.

### Do Note Forge or Trinity Theory Practice have ads?

Neither Note Forge nor Trinity Theory Practice shows ads.

### Which is updated more often, Note Forge or Trinity Theory Practice?

Note Forge ships an update every 10 days, and Trinity Theory Practice every 6 weeks. Most recently, Note Forge was updated on October 7, 2026 and Trinity Theory Practice on October 10, 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.*