# XLios vs Math By Heart

The clearest difference is in-app purchases: XLios at none against Math By Heart's 1. XLios also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (14.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Math By Heart sells 1 one-off in-app purchase. XLios asks for nothing beyond the download.

XLios ships an update weekly, Math By Heart every 3 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | XLios | Math By Heart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 1 MB | 90 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [XAVIER LABOUR RELATIONS INSTITUTE](https://appshunter.io/developer/1606792246) | [Soul Software](https://appshunter.io/developer/1879625068) |

## What reviewers say

### XLios

[App page](https://appshunter.io/ios/app/xlios/id1606792244)

**In-app purchases:** none


### Math By Heart

[App page](https://appshunter.io/ios/app/math-by-heart/id6778621964)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math By Heart Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is XLios free?

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

### Is Math By Heart free?

Math By Heart is free to download, with in-app purchases available.

### Do XLios or Math By Heart have ads?

Neither XLios nor Math By Heart shows ads.

### Which is updated more often, XLios or Math By Heart?

XLios ships an update weekly, and Math By Heart every 3 weeks. Most recently, XLios was updated on October 25, 2026 and Math By Heart on October 21, 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.*