# marrow vs Math Rally

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

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

marrow ships an update every 3 days, Math Rally every 3 weeks. Both last shipped on October 14, 2026.

## The numbers

| Metric | marrow | Math Rally |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/math-rally/id6798248862/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 22 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pratyush Saxena](https://appshunter.io/developer/1896770612) | [ibrahim Ozel](https://appshunter.io/developer/6798248864) |

## What reviewers say

### marrow

[App page](https://appshunter.io/ios/app/marrow-scroll-to-learn/id6791669414)

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

**In-app purchases:** none


### Math Rally

[App page](https://appshunter.io/ios/app/math-rally/id6798248862)

This app transforms multiplication practice into an exciting racing game for children. Players answer times tables questions by steering their car, speeding up with correct answers and slowing down with incorrect ones. It features multiple modes and a garage for unlocking new cars and colors through gameplay.

**Highlights:** Multiplication practice through racing, Two game modes for different skill levels, Focused practice mode for specific tables, Unlockable cars and paint colors, No accounts or personal information collected, Available in multiple languages

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Practice Mode | $5.59 | one-time |


## Frequently asked questions

### Is marrow free?

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

### Is Math Rally free?

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

### Do marrow or Math Rally have ads?

Neither marrow nor Math Rally shows ads.

### Which is updated more often, marrow or Math Rally?

marrow ships an update every 3 days, and Math Rally every 3 weeks. Most recently, marrow was updated on October 14, 2026 and Math Rally on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*