# MathBrain vs iMencius

The clearest difference is price: MathBrain at Free against iMencius's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

MathBrain is free to download; iMencius costs $0.99 up front. MathBrain sells 3 in-app purchases, starting at $6.99 per month and iMencius sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | MathBrain | iMencius |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/mathbrain-smart-screen-unlock/id6762207219/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Freemium | — |
| Size | 19 MB | 20 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Abdullah YILMAZ](https://appshunter.io/developer/1636324967) | [天从 何](https://appshunter.io/developer/914453386) |

## What reviewers say

### MathBrain

[App page](https://appshunter.io/ios/app/mathbrain-smart-screen-unlock/id6762207219)

This app transforms screen time into a learning opportunity by presenting a quick math, logic, or science challenge before selected apps can be opened. It encourages focus and daily mental practice for students, families, and brain-training enthusiasts.

**Highlights:** Daily STEM challenges, Math, logic, and science puzzles, Smarter screen-time routine, Parental control for learning, Brain training for adults, Builds consistency and habits

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathBrain Unlock Premium Monthly | $6.99 | per month |
| MathBrain Unlock Premium Yearly | $39.99 | per year |
| MathBrain Unlock Premium Lifetime | $49.99 | one-time |


### iMencius

[App page](https://appshunter.io/ios/app/imencius/id6808957787)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reward developers | $0.99 | one-time |


## Frequently asked questions

### Is MathBrain free?

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

### Is iMencius free?

iMencius costs $0.99, and also offers in-app purchases.

### Do MathBrain or iMencius have ads?

Neither MathBrain nor iMencius 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.*