Stack vs Knife Stack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Stack
Test your reflexes in this addictive block-stacking game. Aim for the highest tower possible with simple, beautiful graphics. Compete globally for the top score.
- Block stacking gameplay
- High score competition
- Beautiful graphics
- Global leaderboards
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Stack up the blocks as high as you can! ◉ Simple & Beautiful graphics designed ◉ Compete for the best score in the world
Knife Stack
Tap to throw knives and destroy platforms in this timing-based game. Avoid indestructible blocks to prevent losing. Chain together destruction for higher scores and complete all levels.
- Throw knives to destroy platforms
- Make combos for higher scores
- Complete all game levels
- Timing-based gameplay
- Avoid indestructible blocks
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Tap the screen in time and throw the knife to destroy the platforms. If the knife crashes into an indestructible block, you lose, so be careful. Destroy many blocks at a time to earn more points. Game features: - Throw a knife and destroy platforms - Make combos - Complete all the levels!
Screenshots
Verdict
The clearest difference is review sentiment: Knife Stack at 100% against Stack's 53%. Knife Stack also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 18). Stack's advantage is update cadence (every 10 days vs every 7 months) and ratings volume (59K vs 2). On price, ads, device support and iOS requirement 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. Stack sells 15 one-off in-app purchases. Knife Stack asks for nothing beyond the download.
Knife Stack holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Stack has 59K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 53% of Stack's written reviews are positive against 100% of Knife Stack's.
Stack ships an update every 10 days, Knife Stack every 7 months. The most recent releases landed on September 26, 2026 and June 3, 2026 respectively.
| Parameter | Stack | Knife Stack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (59K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 52.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 59K — better | 2 |
| Update frequency | Every 10 days — better | Every 7 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Best chart rank | #116 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 282 MB | 109 MB |
| Age rating | 12+ | 4+ |
| Developer | Ketchapp | Wooden Toys |
Customer experience
Stack
Knife Stack
Bugs and requests
Stack
Reported bugs
3 issues- Blocks disappearing or glitching
- Game freezing or crashing
- Inconsistent performance on newer devices
Requested features
4 requests- Ability to choose color schemes
- More variety in block designs
- Improved high score tracking
- Reduced ad frequency
Knife Stack
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stack
- Gem Pack Small$0.99
- 10 Extra Lives$0.99
- 200 Gems$0.99
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- 500 Gems$1.99
- Gem Pack Medium$2.99
- 30 Extra Lives$2.99
- 1000 Gems$2.99
- Remove Ads$3.99
- Extra Offline Earnings$4.99
- Gem Pack Grand$4.99
- 50 Extra Lives$4.99
- VIP Pass3 variants$9.99
- Season Pass2 variants$9.99
- Gem Pack Mega$9.99
- Gem Pack Ultra$19.99
Knife Stack
No in-app purchases
