# UNO Score Book vs Knowledge Millionaire

The clearest difference is in-app purchases: UNO Score Book at none against Knowledge Millionaire's 4. UNO Score Book also leads on iOS requirement (15.6 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Knowledge Millionaire sells 4 one-off in-app purchases. UNO Score Book asks for nothing beyond the download.

## The numbers

| Metric | UNO Score Book | Knowledge Millionaire |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | — |
| Monetization | Ad-supported | — |
| Size | 2 MB | 20 MB |
| Requires iOS | **15.6** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIFUMI YOSHIDA](https://appshunter.io/developer/660222818) | [Louis Saks](https://appshunter.io/developer/1866998868) |

## What reviewers say

### UNO Score Book

[App page](https://appshunter.io/ios/app/uno-score-book/id6468909765)

Easily calculate and record scores for the card game UNO. Supports international and Japanese rules, allowing you to manage regular players and track game history. Backup and restore your game data.

**Highlights:** UNO score calculation, Game record keeping, Customizable player registration, Support for international and Japanese rules, Game data backup and restore, Round score entry

**Features:** macOS Compatibility

**In-app purchases:** none


### Knowledge Millionaire

[App page](https://appshunter.io/ios/app/knowledge-millionaire/id6762064395)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $0.99 | one-time |
| 500 Coins | $3.99 | one-time |
| 1000 Coins | $5.99 | one-time |
| 5000 Coins | $17.99 | one-time |


## Frequently asked questions

### Is UNO Score Book free?

UNO Score Book is free to download, with no in-app purchases.

### Is Knowledge Millionaire free?

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

### Do UNO Score Book or Knowledge Millionaire have ads?

Both UNO Score Book and Knowledge Millionaire show ads.

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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.*