Comparison

Block Stack vs Carnival Knockdown

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

Head to head
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.

About

Carnival Knockdown

Engage in a physics-based puzzle game where you strategically launch projectiles to demolish intricate structures. Master dynamic physics and diverse materials across hundreds of challenging levels with a vibrant carnival theme.

Highlights
  • Physics-based destruction puzzles
  • Diverse materials and object reactions
  • Hundreds of challenging levels
  • One-tap cannonball launching
  • Satisfying chain reactions
  • Vibrant carnival theme
Read full description

Think carefully, launch your ball, and bring down clever physics structures across unique challenge arenas. Each level is a small destruction puzzle: find the weak spot, use limited shots wisely, and trigger satisfying chain reactions. Break stone walls, topple wooden towers, crack ice blocks, and master new materials as the levels get harder. Easy to start, tricky to master. GAME FEATURES: One-Tap Action: Just tap the screen and fire your cannonball. Dynamic Physics & Materials: Every object reacts differently! Send light wood flying, push heavy iron, smash glass jars (with a satisfying ASMR feel!), or slide icy blocks! Stunning Carnival Theme: Hundreds of levels filled with colorful graphics and fun animations. Can you clear every structure with the perfect shot?

Screenshots

Block Stack4 screens
Carnival Knockdown4 screens

Verdict

The call

The clearest difference is ratings volume: Carnival Knockdown at 7.1K against Block Stack's 9. Carnival Knockdown also leads on rating (4.9 vs 4.6). Block Stack's advantage is iOS requirement (11.0 vs 15.0). On price, update cadence, 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. Block Stack sells 1 one-off in-app purchase and Carnival Knockdown sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Carnival Knockdown holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Carnival Knockdown has 7.1K ratings behind it against 9, so its average is the more settled of the two.

UpkeepUpdate frequency

Block Stack ships an update every 4 days, Carnival Knockdown every 3 days. The most recent releases landed on October 1, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
Block Stack versus Carnival Knockdown: the parameters behind the verdict, then further details
ParameterBlock StackCarnival Knockdown
PriceFreeFree
Rating4.6 (9 ratings)4.9 (7.1K ratings) — better
Positive reviews—92.3% of reviews
Number of ratings97.1K — better
Update frequencyEvery 4 daysEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size77 MB308 MB
Age rating4+4+
DeveloperOleksandr LushpihanFortune Mine Games

Customer experience

Block Stack

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

Carnival Knockdown

All ratings6,390 ratings
Positive98.4%
Neutral1.0%
Negative0.6%
Written reviews404 reviews
Positive92.3%
Neutral3.0%
Negative4.7%

In-app purchases

1 purchases

Block Stack

One-time1
  • No Ads$1.99
13 purchases

Carnival Knockdown

One-time13
  • CarnivalPack_1.99$1.99
  • CarnivalPack_4.99$4.99
  • CarnivalPack_7.99$7.99
Show 10 more
  • CarnivalPack_NoAds$7.99
  • CarnivalPack_9.99$9.99
  • CarnivalPack_14.99$14.99
  • CarnivalPack_19.99$19.99
  • CarnivalPack_29.99$29.99
  • CarnivalPack_39.99$39.99
  • CarnivalPack_49.99$49.99
  • CarnivalPack_59.99$59.99
  • CarnivalPack_74.99$74.99
  • CarnivalPack_99.99$99.99

Questions

Is Block Stack free?
Block Stack is free to download, with in-app purchases available.
Is Carnival Knockdown free?
Carnival Knockdown is free to download, with in-app purchases available.
Which has better reviews, Block Stack or Carnival Knockdown?
Carnival Knockdown is rated higher. Block Stack averages 4.6 out of 5 from 9 ratings, while Carnival Knockdown averages 4.9 from 7.1K ratings.
Do Block Stack or Carnival Knockdown have ads?
Both Block Stack and Carnival Knockdown show ads.
Which is updated more often, Block Stack or Carnival Knockdown?
Block Stack ships an update every 4 days, and Carnival Knockdown every 3 days. Most recently, Block Stack was updated on October 1, 2026 and Carnival Knockdown on October 22, 2026.

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