# Stud vs NoteTrail

The clearest difference is in-app purchases: Stud at none against NoteTrail's 2. Stud also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. NoteTrail sells 2 in-app purchases, starting at $4.99 per month. Stud asks for nothing beyond the download.

## The numbers

| Metric | Stud | NoteTrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 70 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [BABIO Hishaam](https://appshunter.io/developer/1827504933) | [OB Data LLC](https://appshunter.io/developer/6778228705) |

## What reviewers say

### Stud

[App page](https://appshunter.io/ios/app/stud-ai/id6748829738)

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

**In-app purchases:** none


### NoteTrail

[App page](https://appshunter.io/ios/app/notetrail-sight-reading/id6801622450)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteTrail Pro Monthly | $4.99 | per month |
| NoteTrail Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Stud free?

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

### Is NoteTrail free?

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

### Do Stud or NoteTrail have ads?

Neither Stud nor NoteTrail 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.*