Knife Up vs Paper Bad
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Knife Up
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.
- Tap-to-throw gameplay
- Multiple levels
- Variety of flying knives
- Pixel art style
- Reactivity challenges
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2018 intelligence and fun flying knife game! Click the screen to throw the flying knife, the middle disk shows the number of remaining flying knives, throw the remaining flying knife, the game wins! PS: be careful not to touch other flying knives. Game features: - a variety of levels to exercise your reactivity - there are a variety of flying knives for choice - pixel style, sharp flying knife Constant challenge! Become the king of the flying knife！
Paper Bad
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.
- Throw papers to smash objects
- Complete delivery rounds
- Cause maximum damage
- Satisfying destruction physics
- Destructive gameplay
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Throw papers and smash stuff up! Complete your delivery round by causing as much damage as you can! Take the shot and watch it all destroy!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Knife Up | Paper Bad |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) | 4.6 (375 ratings) — better |
| Positive reviews | 20.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 3 | 375 — better |
| Update frequency | Every 6 days — better | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 69 MB | 193 MB |
| Age rating | 4+ | 17+ |
| Developer | 晓筠 周 | Entity3 Limited |
Customer experience
Knife Up
Paper Bad
In-app purchases
Knife Up
No in-app purchases
Paper Bad
No in-app purchases
