# MindDuel vs Rival Brains

The clearest difference is ads: MindDuel at none against Rival Brains's shown. MindDuel also leads on update cadence (every 3 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. MindDuel sells 3 in-app purchases, starting at $0.49 per month and Rival Brains sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MindDuel ships an update every 3 days, Rival Brains fortnightly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MindDuel | Rival Brains |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 10 MB | 26 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Petter Røisland](https://appshunter.io/developer/1896689561) | [Proliferaite LLC](https://appshunter.io/developer/1828334143) |

## What reviewers say

### MindDuel

[App page](https://appshunter.io/ios/app/mindduel/id6769802682)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindDuel Premium Monthly | $0.49 | per month |
| MindDuel Premium Yearly | $7.99 | per year |
| MindDuel Lifetime | $1.99 | one-time |


### Rival Brains

[App page](https://appshunter.io/ios/app/rival-brains-2-player-games/id6796026926)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rival Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is MindDuel free?

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

### Is Rival Brains free?

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

### Do MindDuel or Rival Brains have ads?

Rival Brains shows ads; MindDuel does not.

### Which is updated more often, MindDuel or Rival Brains?

MindDuel ships an update every 3 days, and Rival Brains fortnightly. Most recently, MindDuel was updated on October 28, 2026 and Rival Brains 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.*