# I Know! Trivia vs Rulebound

The clearest difference is update cadence: Rulebound at every 2 days against I Know! Trivia's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. I Know! Trivia sells 4 one-off in-app purchases and Rulebound sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

I Know! Trivia ships an update every 6 weeks, Rulebound every 2 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | I Know! Trivia | Rulebound |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 43 MB | 104 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Bugrahan Cetinkaya](https://appshunter.io/developer/1858106197) | [ASIL SOFTWARE LIMITED](https://appshunter.io/developer/6785619684) |

## What reviewers say

### I Know! Trivia

[App page](https://appshunter.io/ios/app/i-know-trivia/id6761083637)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 Hearts | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| 24 Hearts | $3.49 | one-time |
| 36 Hearts | $4.99 | one-time |


### Rulebound

[App page](https://appshunter.io/ios/app/rulebound-brain-arcade/id6797040036)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Credits Gift | $0.29 | one-time |
| Mummy Bear | $1.99 | one-time |
| Pumpkin Bunny | $1.99 | one-time |
| Gift Hedgehog | $1.99 | one-time |
| The Arcade Ghosts | $2.99 | one-time |
| The Deep Sea Readers | $2.99 | one-time |
| The Tea Break | $2.99 | one-time |
| Avatar Deluxe Box | $4.99 | one-time |
| Ad-Free For Life | $7.99 | one-time |
| Avatar Anthology | $7.99 | one-time |


## Frequently asked questions

### Is I Know! Trivia free?

I Know! Trivia is free to download, with in-app purchases available.

### Is Rulebound free?

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

### Do I Know! Trivia or Rulebound have ads?

Both I Know! Trivia and Rulebound show ads.

### Which is updated more often, I Know! Trivia or Rulebound?

I Know! Trivia ships an update every 6 weeks, and Rulebound every 2 days. Most recently, I Know! Trivia was updated on November 5, 2026 and Rulebound on November 6, 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.*