# MathMaster vs Notju

The clearest difference is in-app purchases: MathMaster at none against Notju's 1. MathMaster also leads on iOS requirement (14.0 vs 17.0). Notju's advantage is ads (none vs shown) and update cadence (daily vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Notju sells 1 in-app purchase, starting at $7.99 per month. MathMaster asks for nothing beyond the download.

MathMaster ships an update every 6 weeks, Notju daily. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | MathMaster | Notju |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 40 MB | 14 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mucahit tekbas](https://appshunter.io/developer/1896075975) | [EMIR BUYUKYILMAZ](https://appshunter.io/developer/6818330059) |

## What reviewers say

### MathMaster

[App page](https://appshunter.io/ios/app/mathmaster-mental-math/id6765790723)

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

**In-app purchases:** none


### Notju

[App page](https://appshunter.io/ios/app/notju-ai-lecture-note-taker/id6821121483)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notju Pro Monthly | $7.99 | per month |


## Frequently asked questions

### Is MathMaster free?

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

### Is Notju free?

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

### Do MathMaster or Notju have ads?

MathMaster shows ads; Notju does not.

### Which is updated more often, MathMaster or Notju?

MathMaster ships an update every 6 weeks, and Notju daily. Most recently, MathMaster was updated on November 9, 2026 and Notju on November 6, 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.*