# Qstudy AI vs MathU Merlin

The clearest difference is in-app purchases: MathU Merlin at none against Qstudy AI's 3. Qstudy AI's advantage is update cadence (every 2 weeks vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Qstudy AI sells 3 in-app purchases, starting at $6.99 per month. MathU Merlin asks for nothing beyond the download.

Qstudy AI ships an update every 2 weeks, MathU Merlin every 4 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Qstudy AI | MathU Merlin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qstudy-ai/id6477830032/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free | — |
| Size | 76 MB | 79 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ifeanyi Munonye](https://appshunter.io/developer/1730745459) | [MathU Teaching Emporium (Pty) Ltd](https://appshunter.io/developer/1501691780) |

## What reviewers say

### Qstudy AI

[App page](https://appshunter.io/ios/app/qstudy-ai/id6477830032)

This AI-powered application transforms lecture notes into engaging learning materials like songs, stories, and quizzes. It aims to help university students improve information retention through multimodal content creation.

**Highlights:** AI-powered note transformation, Convert notes to songs, Convert notes to stories, Generate quizzes from notes, Enhance information retention, Multimodal learning content

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Qstudy Premium | $6.99 | per month |
| 50% Off Qstudy Premium | $24.99 | per year |
| Qstudy Premium | $49.99 | per year |


### MathU Merlin

[App page](https://appshunter.io/ios/app/mathu-merlin/id6739288823)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Qstudy AI free?

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

### Is MathU Merlin free?

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

### Do Qstudy AI or MathU Merlin have ads?

Neither Qstudy AI nor MathU Merlin shows ads.

### Which is updated more often, Qstudy AI or MathU Merlin?

Qstudy AI ships an update every 2 weeks, and MathU Merlin every 4 weeks. Most recently, Qstudy AI was updated on October 15, 2026 and MathU Merlin on October 9, 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.*