# MathU Merlin vs MindLumos

The clearest difference is in-app purchases: MathU Merlin at none against MindLumos's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MindLumos sells 3 in-app purchases, starting at $8.99 per 7 days. MathU Merlin asks for nothing beyond the download.

MathU Merlin ships an update every 4 weeks, MindLumos every 3 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MathU Merlin | MindLumos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Size | 79 MB | 47 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MathU Teaching Emporium (Pty) Ltd](https://appshunter.io/developer/1501691780) | [Golden Nugget Labs LLC](https://appshunter.io/developer/1885032878) |

## What reviewers say

### MathU Merlin

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

**Features:** macOS Compatibility

**In-app purchases:** none


### MindLumos

[App page](https://appshunter.io/ios/app/mindlumos-ai-study-tools/id6760567357)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindLumos Pro Weekly | $8.99 | per 7 days |
| MindLumos Pro Monthly | $17.99 | per month |
| MindLumos Pro Annual | $149.99 | per year |


## Frequently asked questions

### Is MathU Merlin free?

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

### Is MindLumos free?

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

### Do MathU Merlin or MindLumos have ads?

Neither MathU Merlin nor MindLumos shows ads.

### Which is updated more often, MathU Merlin or MindLumos?

MathU Merlin ships an update every 4 weeks, and MindLumos every 3 weeks. Most recently, MathU Merlin was updated on October 9, 2026 and MindLumos on October 8, 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.*