# Knife Up vs Words Master Fun

The clearest difference is review sentiment: Words Master Fun at 100% against Knife Up's 20%. Knife Up's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Words Master Fun sells 1 one-off in-app purchase. Knife Up asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Knife Up | Words Master Fun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/knife-up/id1353224520/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | Every 6 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 69 MB | 43 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晓筠 周](https://appshunter.io/developer/1300048185) | [DEVELOPERSOFT](https://appshunter.io/developer/1550998108) |

## What reviewers say

### Knife Up

[App page](https://appshunter.io/ios/app/knife-up/id1353224520)

Tap to throw knives at a spinning target, aiming to hit it without colliding with existing knives. Progress through levels to test your reflexes and unlock different knife styles.

**Highlights:** Tap-to-throw gameplay, Multiple levels, Variety of flying knives, Pixel art style, Reactivity challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Words Master Fun

[App page](https://appshunter.io/ios/app/words-master-fun/id6741434841)

Connect letters to form words and progress through hundreds of challenging levels in this addictive word puzzle game. It's designed for casual players and enthusiasts alike, offering a fun way to boost vocabulary and earn rewards.

**Highlights:** Connect letters to form words, Hundreds of challenging levels, Earn in-game rewards, Boost vocabulary, Fun for all ages

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Knife Up free?

Knife Up is free to download, with no in-app purchases.

### Is Words Master Fun free?

Words Master Fun is free to download, with in-app purchases available.

### Do Knife Up or Words Master Fun have ads?

Words Master Fun shows ads; Knife Up does not.

### Which is updated more often, Knife Up or Words Master Fun?

Knife Up ships an update every 6 days, and Words Master Fun every 6 days. Most recently, Knife Up was updated on October 3, 2026 and Words Master Fun on October 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.*