# Mental Maths vs LEX Master

The clearest difference is ads: LEX Master at none against Mental Maths's shown. LEX Master also leads on update cadence (every 2 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Mental Maths sells 1 one-off in-app purchase and LEX Master sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Mental Maths ships an update every 7 months, LEX Master every 2 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Mental Maths | LEX Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mental-maths-test-and-learn/id1114936756/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 27 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vicki Partridge](https://appshunter.io/developer/1114861973) | [dairo alberto mateus estrada](https://appshunter.io/developer/1823476644) |

## What reviewers say

### Mental Maths

[App page](https://appshunter.io/ios/app/mental-maths-test-and-learn/id1114936756)

Practice mental math skills with a variety of exercises for addition, subtraction, multiplication, and division. Track your progress and adjust difficulty for a personalized learning experience, accessible offline.

**Highlights:** Addition, subtraction, multiplication, division exercises, Timed calculation challenges, Adjustable difficulty levels, Progress tracking, Offline access, User-friendly design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### LEX Master

[App page](https://appshunter.io/ios/app/lex-master/id6780265437)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monedas 500 | $0.99 | one-time |
| Vidas llenas | $0.99 | one-time |
| Bolsa de gemas | $2.99 | one-time |
| Cofre de monedas | $3.99 | one-time |
| Sin anuncios | $4.99 | one-time |


## Frequently asked questions

### Is Mental Maths free?

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

### Is LEX Master free?

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

### Do Mental Maths or LEX Master have ads?

Mental Maths shows ads; LEX Master does not.

### Which is updated more often, Mental Maths or LEX Master?

Mental Maths ships an update every 7 months, and LEX Master every 2 days. Most recently, Mental Maths was updated on October 24, 2026 and LEX Master on October 11, 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.*