# Knife Up vs Paper Bad

The clearest difference is ads: Knife Up at none against Paper Bad's shown. Knife Up also leads on monetization model (free vs ad-supported) and iOS requirement (7.0 vs 14.0). Paper Bad's advantage is review sentiment (50% vs 20%) and ratings volume (375 vs 3). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Paper Bad holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Paper Bad has 375 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 20% of Knife Up's written reviews are positive against 50% of Paper Bad's.

Knife Up ships an update every 6 days, Paper Bad every 2 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Knife Up | Paper Bad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/knife-up/id1353224520/reviews) | **[4.6 (375 ratings)](https://appshunter.io/ios/app/paper-bad/id1601857046/reviews)** |
| Number of ratings | 3 | **375** |
| Positive reviews | 20.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 69 MB | 193 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [晓筠 周](https://appshunter.io/developer/1300048185) | [Entity3 Limited](https://appshunter.io/developer/1055360372) |

## 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


### Paper Bad

[App page](https://appshunter.io/ios/app/paper-bad/id1601857046)

Engage in a destructive delivery mission by throwing papers to smash objects. Aim carefully to cause maximum chaos and destruction. Experience the satisfaction of watching everything crumble.

**Highlights:** Throw papers to smash objects, Complete delivery rounds, Cause maximum damage, Satisfying destruction physics, Destructive gameplay

**In-app purchases:** none


## Frequently asked questions

### Is Knife Up free?

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

### Is Paper Bad free?

Paper Bad is free to download, with no in-app purchases.

### Which has better reviews, Knife Up or Paper Bad?

Paper Bad is rated higher. Knife Up averages 4.3 out of 5 from 3 ratings, while Paper Bad averages 4.6 from 375 ratings.

### Do Knife Up or Paper Bad have ads?

Paper Bad shows ads; Knife Up does not.

### Which is updated more often, Knife Up or Paper Bad?

Knife Up ships an update every 6 days, and Paper Bad every 2 weeks. Most recently, Knife Up was updated on October 24, 2026 and Paper Bad on October 20, 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.*