# Roller Math vs Merge Number

The clearest difference is update cadence: Merge Number at every 5 months against Roller Math's every 34 months. Roller Math's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Roller Math ships an update every 34 months, Merge Number every 5 months. The most recent releases landed on September 15, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Roller Math | Merge Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/merge-number-stack-it-game/id1614185641/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 34 months | **Every 5 months** |
| Monetization | — | Ad-supported |
| Size | 54 MB | 21 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marco Andreotti](https://appshunter.io/developer/1514019597) | [Bhavana Ponkiya](https://appshunter.io/developer/1548462328) |

## What reviewers say

### Roller Math

[App page](https://appshunter.io/ios/app/roller-math/id1548283266)

**Features:** macOS Compatibility

**In-app purchases:** none


### Merge Number

[App page](https://appshunter.io/ios/app/merge-number-stack-it-game/id1614185641)

This addictive number puzzle game challenges players to merge numbered rings by stacking them. With unlimited levels and classic gameplay, it's designed to enhance mental power and IQ. Enjoy a visually appealing experience with qualitative graphics and smooth animations.

**Highlights:** Number stacking and merging gameplay, Unlimited levels, Offline play, Qualitative graphics and sound, User-friendly controls, Suitable for all ages

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

**In-app purchases:** none


## Frequently asked questions

### Is Roller Math free?

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

### Is Merge Number free?

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

### Do Roller Math or Merge Number have ads?

Both Roller Math and Merge Number show ads.

### Which is updated more often, Roller Math or Merge Number?

Roller Math ships an update every 34 months, and Merge Number every 5 months. Most recently, Roller Math was updated on September 15, 2026 and Merge Number on September 4, 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.*