# Roller Math vs Fill the Rainbow

The clearest difference is in-app purchases: Roller Math at none against Fill the Rainbow's 2. Fill the Rainbow's advantage is update cadence (every 4 months vs every 34 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fill the Rainbow sells 2 one-off in-app purchases. Roller Math asks for nothing beyond the download.

Roller Math ships an update every 34 months, Fill the Rainbow every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Roller Math | Fill the Rainbow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/fill-the-rainbow-puzzle-game/id6468705258/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 34 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 21 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marco Andreotti](https://appshunter.io/developer/1514019597) | [Viviana Baeza](https://appshunter.io/developer/1664318415) |

## What reviewers say

### Roller Math

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Fill the Rainbow

[App page](https://appshunter.io/ios/app/fill-the-rainbow-puzzle-game/id6468705258)

A relaxing one-line puzzle game that sharpens your mind. Connect all the dots without overlapping lines to solve over 900 handcrafted levels. Enjoy a minimalist design with beautiful colors and awesome audio effects.

**Highlights:** One-line brain training puzzles, Over 900 handcrafted levels, Minimalist design with beautiful colors, Awesome audio effects, Relaxing atmosphere, Multiple tile designs and background colors

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tile Pack | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Roller Math free?

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

### Is Fill the Rainbow free?

Fill the Rainbow is free to download, with in-app purchases available.

### Do Roller Math or Fill the Rainbow have ads?

Both Roller Math and Fill the Rainbow show ads.

### Which is updated more often, Roller Math or Fill the Rainbow?

Roller Math ships an update every 34 months, and Fill the Rainbow every 4 months. Most recently, Roller Math was updated on November 3, 2026 and Fill the Rainbow 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.*