Stack vs Flippy Knife
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
Flippy Knife
Master the art of knife flipping and throwing in this addictive 3D game. Perform combos, hit targets across diverse locations, and collect a vast arsenal of blades. It's a thrilling challenge for those who enjoy precision and risk-taking.
- Physics-based realistic knives
- Over 120 unique blades
- 7 different game modes
- Awesome graphics
- Award badges
- Unique game mechanics
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WHAT’S THE GAME ABOUT? Learn how to flip knives like a pro, to make a great combos and never miss! Become a true master of 7 different locations and get a great collection of famous knives, swords, axes and fantasy legends! — more than 30,000,000 downloads; — game of the week in 66 countries; — #1 in the top games in the USA, Russia, Australia, the UK, Canada… WHO’S PLAYING? It’s a game for those who loves knives and thrill! It’s a game for the strong and confident. Be on knife edge, take risks and hit the targets! Pick up a knife and stick it into the target! Do it in FLIPPY KNIFE on the subway or in a lineup for a game, in a coffee shop or park, at school or at work! GAME FEATURES: — more than 120 blades with a cool design; — physics-based realistic knives; — 7 different game modes in one game; — awesome graphics from the pros at Beresnev.Design; — more than 50 great award badges; — unique game mechanics; — high-quality support and super updates! Use the #flippyknife hashtag and the best content will be published on our Instagram account. Like us on our Facebook page or follow us on Instagram: www.facebook.com/BeresnevGames www.instagram.com/flippyknife And remember: skill comes with experience! SUBSCRIPTION PRICING AND TERMS Premium Membership Subscription options, prices and durations: - Weekly Premium Membership for $7,99 offers a weekly subscription after a 3-day free trial for unlocking 15 exclusive knives, getting 1000 coins daily and removing ads. - Monthly Premium Membership for $19,99 offers a monthly subscription for unlocking 15 exclusive knives, getting 1000 coins daily and removing ads. - Yearly Premium Membership for $99,99 offers a yearly subscription for unlocking 15 exclusive knives, getting 1000 coins daily and removing ads. End of trial and subscription renewal: - Payment will be charged to iTunes Account at confirmation of purchase; - Subscription automatically renews with the price and duration period as the original "1 week"/"1 month"/"1 year" package unless auto-renew is turned off at least 24-hours before the end of the current period; - Account will be charged for renewal within 24-hours prior to the end of the current period at the cost of the chosen package (weekly, monthly or annually package); - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's iTunes Account Settings after purchase; - You may cancel a subscription during its free trial period via the subscription setting through your iTunes account. This must be done 24 hours before the end of the subscription period to avoid being charged. Please visit https://support.apple.com/HT202039 for more information. Canceling trial or subscription: - You may turn off the auto-renewal of your subscription via your iTunes Account Settings. However, you are not able to cancel the current subscription during its active period; - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Links to our Terms of Service and Privacy Policy can be found below Terms of Use: https://beresnev.games/termofuse/ For all the questions please contact us at support@beresnev.games * Prices are equal to the value that "Apple's App Store Pricing Matrix" determines as the equivalent of the subscription price in $ USD
Screenshots
Verdict
The clearest difference is update cadence: Stack at every 11 days against Flippy Knife's every 5 weeks. Stack also leads on chart position (#139 vs unranked). Flippy Knife's advantage is review sentiment (73% vs 56%). On price, rating, ratings volume and ads 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 and Flippy Knife sells 12 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Flippy Knife holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 60K and 36K respectively. Written reviews point the same way: 56% of Stack's written reviews are positive against 73% of Flippy Knife's.
Stack ships an update every 11 days, Flippy Knife every 5 weeks. Both last shipped on October 31, 2026.
| Parameter | Stack | Flippy Knife |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (60K ratings) | 4.6 (36K ratings) — better |
| Positive reviews | 56.1% of reviews | 72.6% of reviews — better |
| Number of ratings | 60K — better | 36K |
| Update frequency | Every 11 days — better | Every 5 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #139 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 282 MB | 272 MB |
| Age rating | 12+ | 4+ |
| Developer | Ketchapp | BERESNEV s.r.o. |
Customer experience
Stack
Flippy Knife
User reviews
Stack
From 60K App Store ratingsWhat we love
- 🚀 Fun and addictive
- 🎨 Aesthetically pleasing graphics
- 🧘♀️ Relaxing and calming
- 💪 Challenging gameplay
Room to improve
- 🔍 Too many ads
- 🐛 Frequent glitches and lags
- 🔄 Repetitive gameplay
Flippy Knife
From 36K App Store ratingsWhat we love
- 🎮 Fun and addictive gameplay
- 🔍 Wide variety of knives with unique characteristics
- 🎨 Great visuals and animations
- 💰 Reasonable monetization model
Room to improve
- 📺 Excessive ads and ad-related issues
- 🐛 Bugs and glitches affecting gameplay
- 🔁 Repetitive and lacking in long-term content
- 🔒 Difficulty restoring progress after reinstall
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
Flippy Knife
Reported bugs
4 issues- Ads getting stuck or not loading properly
- Invisible walls and other physics-related issues
- Account data not syncing or being lost after reinstall
- Gameplay freezes or crashes on certain devices
Requested features
4 requests- Online multiplayer mode
- Customization options for knives and backgrounds
- Checkpoint system in Climb mode
- Improved feedback on achievements and progress
In-app purchases
Stack
- Gem Pack Small$0.99
- 10 Extra Lives$0.99
- 200 Gems$0.99
Show 12 moreShow fewer
- 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 Pass4 variants$9.99
- Season Pass2 variants$9.99
- Gem Pack Mega$9.99
- Gem Pack Ultra$19.99
Flippy Knife
- PROFESSIONAL CLUB MEMBERSHIP3 Days trial$3.997 Days
- Premium Membership (1 week)3 Days trial$4.997 Days
- Fantasy Sword$0.99
- 6 Simple Knives$0.99
- 11 Knife Makers' Blades$0.99
Show 7 moreShow fewer
- 2 Cold & 2 Hot Swords$0.99
- Bad Laser$0.99
- Medium Pack of Coins$0.99
- 12 Gift knives$0.99
- BOOM! missiles$0.99
- Remove ADS$3.99
- Self aiming knife$4.99









