Comparison

Flippy Knife vs Build Up!!

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Physics-based realistic knives
  • Over 120 unique blades
  • 7 different game modes
  • Awesome graphics
  • Award badges
  • Unique game mechanics
Features
Read full description

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

About

Build Up!!

Construct your tower as tall as possible by strategically placing building nodes. Collect more nodes as you ascend to reach crucial checkpoints and achieve new heights.

Highlights
  • Build structures high
  • Gather building nodes
  • Reach checkpoints
  • Ascend to new heights
Features
Read full description

Build your structure as high as you can! Gather additional building nodes along the way and reach the checkpoints!

Screenshots

Flippy Knife4 screens
Build Up!!3 screens

Verdict

The call

Flippy Knife and Build Up!! both sit at 4.6 stars, but that hides the real split: 73% of Flippy Knife's written reviews are positive against 34% of Build Up!!'s. Build Up!!'s advantage is update cadence (fortnightly vs every 5 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flippy Knife sells 12 in-app purchases, starting at $3.99 per 7 days and Build Up!! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Flippy Knife against 4.5 for Build Up!!. Both are backed by a comparable volume of ratings — 36K and 16K respectively. Written reviews are what separate them: 73% of Flippy Knife's written reviews are positive against 34% of Build Up!!'s.

UpkeepUpdate frequency

Flippy Knife ships an update every 5 weeks, Build Up!! fortnightly. Both last shipped on October 31, 2026.

Scorecard2 real differences · 8 level
Flippy Knife versus Build Up!!: the parameters behind the verdict, then further details
ParameterFlippy KnifeBuild Up!!
PriceFreeFree
Rating4.6 (36K ratings) — better4.5 (16K ratings)
Positive reviews72.7% of reviews — better34.1% of reviews
Number of ratings36K — better16K
Update frequencyEvery 5 weeksFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.214.0 — better
Further details — not scored
Size272 MB266 MB
Age rating4+12+
DeveloperBERESNEV s.r.o.Voodoo

Customer experience

Flippy Knife

All ratings35,552 ratings
Positive91.0%
Neutral4.8%
Negative4.2%
Written reviews711 reviews
Positive72.7%
Neutral7.6%
Negative19.7%

Build Up!!

All ratings16,019 ratings
Positive87.6%
Neutral5.8%
Negative6.6%
Written reviews179 reviews
Positive34.1%
Neutral16.2%
Negative49.7%

User reviews

Flippy Knife

From 36K App Store ratings

What 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

Build Up!!

From 16K App Store ratings

What we love

  • 👍 Simple and fun game
  • 🚀 Runs well with no crashes
  • 💰 Free to play

Room to improve

  • 💸 Excessive ads
  • 🐛 Impossible or buggy levels
  • 🔁 Repetitive gameplay

Bugs and requests

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

Build Up!!

Reported bugs

3 issues
  • Rivet counter malfunction
  • Levels regenerating incorrectly
  • Tower physics issues

Requested features

3 requests
  • More level variety
  • Ability to create custom maps
  • Removal of perfect triangle requirement

In-app purchases

12 purchases

Flippy Knife

Subscriptions2
  • PROFESSIONAL CLUB MEMBERSHIP3 Days trial$3.997 Days
  • Premium Membership (1 week)3 Days trial$4.997 Days
One-time10
  • Fantasy Sword$0.99
  • 6 Simple Knives$0.99
  • 11 Knife Makers' Blades$0.99
Show 7 more
  • 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
1 purchases

Build Up!!

One-time1
  • Remove Ads.$2.99

Questions

Is Flippy Knife free?
Flippy Knife is free to download, with in-app purchases available.
Is Build Up!! free?
Build Up!! is free to download, with in-app purchases available.
Which has better reviews, Flippy Knife or Build Up!!?
Flippy Knife is rated higher. Flippy Knife averages 4.6 out of 5 from 36K ratings, while Build Up!! averages 4.5 from 16K ratings.
Do Flippy Knife or Build Up!! have ads?
Both Flippy Knife and Build Up!! show ads.
Which is updated more often, Flippy Knife or Build Up!!?
Flippy Knife ships an update every 5 weeks, and Build Up!! fortnightly. Most recently, Flippy Knife was updated on October 31, 2026 and Build Up!! on October 31, 2026.

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