# 13+ Maths Lite vs BlikBrein

The clearest difference is update cadence: BlikBrein at weekly against 13+ Maths Lite's every 23 months. 13+ Maths Lite's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 13+ Maths Lite sells 1 one-off in-app purchase and BlikBrein sells 8 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

13+ Maths Lite ships an update every 23 months, BlikBrein weekly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 13+ Maths Lite | BlikBrein |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Weekly** |
| Size | 54 MB | 99 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Helena Rossouw](https://appshunter.io/developer/1563554041) |

## What reviewers say

### 13+ Maths Lite

[App page](https://appshunter.io/ios/app/13-plus-maths-lite/id679007455)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $4.99 | one-time |


### BlikBrein

[App page](https://appshunter.io/ios/app/blikbrein-grades-8-12-maths/id6751248706)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $6.99 | per month |
| Full Master | $6.99 | per month |
| Grade 8 Practice Booklet | $3.99 | one-time |
| Grade 10 Practice Booklet | $3.99 | one-time |
| Grade 9 Practice Booklet | $3.99 | one-time |
| Grade 8 Practice Booklet | $6.99 | one-time |
| Grade 9 Practice Booklet | $6.99 | one-time |
| Grade 10 Practice Booklet | $6.99 | one-time |


## Frequently asked questions

### Is 13+ Maths Lite free?

13+ Maths Lite is free to download, with in-app purchases available.

### Is BlikBrein free?

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

### Do 13+ Maths Lite or BlikBrein have ads?

Neither 13+ Maths Lite nor BlikBrein shows ads.

### Which is updated more often, 13+ Maths Lite or BlikBrein?

13+ Maths Lite ships an update every 23 months, and BlikBrein weekly. Most recently, 13+ Maths Lite was updated on October 27, 2026 and BlikBrein on October 30, 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.*