# Roller Math vs Doty

The clearest difference is in-app purchases: Roller Math at none against Doty's 8. Doty's advantage is update cadence (every 5 months vs every 34 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Doty sells 8 in-app purchases, starting at $3.99 per 7 days. Roller Math asks for nothing beyond the download.

Roller Math ships an update every 34 months, Doty every 5 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Roller Math | Doty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doty-brain-puzzle-games/id6443487751/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 34 months | **Every 5 months** |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 132 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +4 |
| Developer | [Marco Andreotti](https://appshunter.io/developer/1514019597) | [Kayisoft](https://appshunter.io/developer/1447024482) |

## What reviewers say

### Roller Math

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Doty

[App page](https://appshunter.io/ios/app/doty-brain-puzzle-games/id6443487751)

Connect dots of the same color by drawing lines between them in this engaging puzzle game. Challenge your brain with increasingly complex levels, compete with friends on leaderboards, and enjoy daily rewards. It's a relaxing yet stimulating experience for puzzle enthusiasts.

**Highlights:** Connect same-colored dots, Increasingly complex levels, Leaderboard competition, Daily challenges and prizes, Intuitive swipe controls, Ad-free VIP option

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Subscription | $3.99 | per 7 days |
| Month Subscription | $9.99 | per month |
| Coins 1 | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Offer 1 | $3.99 | one-time |
| Coins 2 | $4.99 | one-time |
| Offer 2 | $5.99 | one-time |
| Coins 3 | $9.99 | one-time |


## Frequently asked questions

### Is Roller Math free?

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

### Is Doty free?

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

### Do Roller Math or Doty have ads?

Both Roller Math and Doty show ads.

### Which is updated more often, Roller Math or Doty?

Roller Math ships an update every 34 months, and Doty every 5 months. Most recently, Roller Math was updated on October 3, 2026 and Doty on October 3, 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.*