# MathUp vs Quizen Lock

The clearest difference is in-app purchases: Quizen Lock at none against MathUp's 3. Quizen Lock also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 months). On price there is nothing between them.

Both are free to download. MathUp sells 3 in-app purchases, starting at $2.99 per 7 days. Quizen Lock asks for nothing beyond the download.

MathUp ships an update every 2 months, Quizen Lock every 3 days. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MathUp | Quizen Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 23 MB | 30 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) | [Riezfian Raditya Susanto](https://appshunter.io/developer/1839923848) |

## What reviewers say

### MathUp

[App page](https://appshunter.io/ios/app/mathup-math-brain-games/id6759973887)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $2.99 | per 7 days |
| Premium Yearly | $14.99 | per year |
| Lifetime | $29.99 | one-time |


### Quizen Lock

[App page](https://appshunter.io/ios/app/quizen-lock-lock-browser-cbt/id6768058203)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathUp free?

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

### Is Quizen Lock free?

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

### Do MathUp or Quizen Lock have ads?

MathUp shows ads; Quizen Lock does not.

### Which is updated more often, MathUp or Quizen Lock?

MathUp ships an update every 2 months, and Quizen Lock every 3 days. Most recently, MathUp was updated on October 17, 2026 and Quizen Lock on October 4, 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.*