# Multiplication Bug vs Math By Heart

The clearest difference is in-app purchases: Multiplication Bug at none against Math By Heart's 1. Math By Heart's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Multiplication Bug ships an update every 3 months, Math By Heart every 3 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Multiplication Bug | Math By Heart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 34 MB | 90 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sviatlana Shandrokha](https://appshunter.io/developer/1880822012) | [Soul Software](https://appshunter.io/developer/1879625068) |

## What reviewers say

### Multiplication Bug

[App page](https://appshunter.io/ios/app/multiplication-bug-kids/id6759811516)

**Features:** macOS Compatibility

**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 Multiplication Bug free?

Multiplication Bug 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 Multiplication Bug or Math By Heart have ads?

Neither Multiplication Bug nor Math By Heart shows ads.

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

Multiplication Bug ships an update every 3 months, and Math By Heart every 3 weeks. Most recently, Multiplication Bug was updated on October 28, 2026 and Math By Heart on October 28, 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.*