Comparison

Knock Balls! vs Block Stack

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

Head to head
About

Knock Balls!

Test your aim by throwing balls to demolish various structures. Enjoy hundreds of levels with diverse visuals and challenging gameplay. Simple one-tap controls make it easy to pick up and play.

Highlights
  • Throw balls to crush structures
  • Hundreds of levels
  • Diverse visual ambiances
  • One-tap controls
  • Addictive gameplay
Features
Read full description

Throw balls and crush as many structures as you can! Hundreds of structures, levels and different visual ambiances to discover and to come! One-tap easy-to-learn controls with stunning visual effects and addictive gameplay mechanics.

About

Block Stack

Tap to launch balls and smash voxel towers in this addictive 3D physics arcade game. Collect gems to unlock new items and progress through fun, competitive levels with stunning visual effects.

Highlights
  • One-hand tap controls
  • Addictive 3D physics
  • Voxel tower smashing
  • Gem collection for unlocks
  • Relaxing and easy levels
  • Stunning visual effects
Features
Read full description

Blocks Tower Knock Balls is a new one hand tap game, finger tap addictive 3D physics arcade game with a bunch of relaxing and easy to complete levels. One single tap game and easy-to-learn taptic finger controls with combination of a nice visual effects and addictive gameplay mechanics. Aim cannon smart and shoot your voxel balls to get more score points and collect stunning virtual gems to spend it on new goods! Ultimate knockout game, voxel tower to collapse finish fun and easy levels, jump to next arcade location. Game Features: - Makes you feel like you are actually in the sports games. - Easily touch control, enjoy amazing achery gaming experience. - Stunning voxel/pixel visual effects and addictive gameplay mechanics. - Fun 3d physics. - Simple gameplay. - Lots of very exciting and competitive levels - Easy to learn and play.

Screenshots

Knock Balls!4 screens
Block Stack4 screens

Verdict

The call

The clearest difference is update cadence: Block Stack at every 4 days against Knock Balls!'s every 3 months. Block Stack also leads on iOS requirement (11.0 vs 15.0). Knock Balls!'s advantage is ratings volume (211K vs 9). On price, rating, ads and in-app purchases 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. Knock Balls! sells 1 one-off in-app purchase and Block Stack 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 Knock Balls! against 4.6 for Block Stack. That said, the two scores are not equally well evidenced: Knock Balls! has 211K ratings behind it against 9, so its average is the more settled of the two.

UpkeepUpdate frequency

Knock Balls! ships an update every 3 months, Block Stack every 4 days. The most recent releases landed on October 23, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Knock Balls! versus Block Stack: the parameters behind the verdict, then further details
ParameterKnock Balls!Block Stack
PriceFreeFree
Rating4.6 (211K ratings) — better4.6 (9 ratings)
Positive reviews45.7% of reviews—
Number of ratings211K — better9
Update frequencyEvery 3 monthsEvery 4 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size286 MB77 MB
Age rating9+4+
DeveloperVoodooOleksandr Lushpihan

Customer experience

Knock Balls!

All ratings210,823 ratings
Positive91.1%
Neutral5.5%
Negative3.4%
Written reviews940 reviews
Positive45.7%
Neutral13.8%
Negative40.4%

Block Stack

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%

Bugs and requests

Knock Balls!

Reported bugs

2 issues
  • Game crashes or freezes after ads
  • Inconsistent performance on some devices

Requested features

3 requests
  • More challenging and varied levels
  • Ability to save/carry over unused balls
  • Customizable cannons and upgrades

Block Stack

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Knock Balls!

One-time1
  • No Ads$3.99
1 purchases

Block Stack

One-time1
  • No Ads$1.99

Questions

Is Knock Balls! free?
Knock Balls! is free to download, with in-app purchases available.
Is Block Stack free?
Block Stack is free to download, with in-app purchases available.
Which has better reviews, Knock Balls! or Block Stack?
Knock Balls! is rated higher. Knock Balls! averages 4.6 out of 5 from 211K ratings, while Block Stack averages 4.6 from 9 ratings.
Do Knock Balls! or Block Stack have ads?
Both Knock Balls! and Block Stack show ads.
Which is updated more often, Knock Balls! or Block Stack?
Knock Balls! ships an update every 3 months, and Block Stack every 4 days. Most recently, Knock Balls! was updated on October 23, 2026 and Block Stack on October 1, 2026.

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