Knock It Down! vs Whack Stack!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Knock It Down!
A physics-based shooting game where you use a cannon to topple stacks of objects. Aim carefully to trigger chain reactions and clear levels with limited ammo. Offers hundreds of progressively challenging stages.
- One-touch aim and shoot
- Realistic physics destruction
- Multiple object types
- Limited ball count per level
- Hundreds of challenging levels
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Knock It Down is a physics-based shooting game where you fire balls from a cannon to knock stacks of cans, crates, and objects off their platforms before your ammo runs out. How it works: Aim your cannon, fire, and use physics to your advantage, hit the right block to trigger chain reactions and clear the platform in as few shots as possible. Key Features: - Simple one-touch aim and shoot mechanic - Realistic physics destruction — every shot feels different - Multiple object types including cans, crates, and reinforced blocks - Limited ball count per level adds strategic depth - Progressively challenging formations across hundreds of levels Ideal for players who enjoy physics shooters, ball launcher games, and satisfying destruction gameplay.
Whack Stack!
A physics-based puzzle game where players aim a cannon to strategically knock down stacked structures. Master each level by finding weak points and triggering satisfying chain reactions for quick, engaging gameplay.
- Simple cannon aiming and shooting
- Satisfying physics-based destruction
- Strategic puzzle-solving
- Chain reactions and falling blocks
- Varied structures to demolish
- Short, satisfying levels
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Welcome to Whack Stack!, a satisfying physics puzzle game where tall buildings, stacked blocks, and unstable towers are waiting to be knocked down. Aim your cannon, fire the shot, and watch the structure collapse piece by piece. Bring down every stack and clear the stage with the perfect hit! Whack Stack! is easy to play, but every level makes you think. Buildings are built with different shapes, some parts are stronger than others, and one well-placed cannonball can bring the whole tower crashing down. Look carefully, find the weak point, and smash each structure in the smartest way. WHY YOU’LL LOVE WHACK STACK! * Simple cannon gameplay: aim, shoot, and smash the stack * Satisfying physics destruction: watch towers collapse in real time * Smart puzzle strategy: find the weak point and choose the best angle * Powerful cannon shots, falling blocks, chain reactions, and more * Different buildings, stacked towers, walls, bridges, and tricky structures * Clear each stage by knocking everything down * Short, satisfying levels perfect for quick puzzle sessions * Easy to learn, tricky to master A PHYSICS PUZZLE WITH A BLAST Every stack is a puzzle. Some blocks hold the whole structure together, some walls protect the weak spots, and some towers only fall when you hit the right place. Shoot without thinking and the stack may only shake in place. Aim carefully, fire at the right point, and the whole structure can collapse in one satisfying chain reaction. KNOCK DOWN EVERY STACK The cannon is ready. The target is standing tall. Blocks are stacked, balanced, and waiting to fall. Your job is simple: aim the cannon, hit the weak point, and bring the whole stack down. But every shot matters. Use the right angle, the right timing, and the right amount of power to clear the stage. Can you smash every stack with the perfect cannon shot? Download Whack Stack! and start your first destruction puzzle today.
Screenshots
Verdict
Knock It Down! and Whack Stack! both sit at 4.7 stars, but that hides the real split: 86% of Whack Stack!'s written reviews are positive against 57% of Knock It Down!'s. Knock It Down!'s advantage is update cadence (weekly vs every 3 weeks) and monetization model (ad-supported vs free with in-app purchases). 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. Knock It Down! sells 7 one-off in-app purchases and Whack Stack! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Knock It Down! against 4.8 for Whack Stack!. Both are backed by a comparable volume of ratings — 812 and 736 respectively. Written reviews are what separate them: 57% of Knock It Down!'s written reviews are positive against 86% of Whack Stack!'s.
Knock It Down! ships an update weekly, Whack Stack! every 3 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | Knock It Down! | Whack Stack! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (812 ratings) | 4.8 (736 ratings) — better |
| Positive reviews | 57.1% of reviews | 85.7% of reviews — better |
| Number of ratings | 812 — better | 736 |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 212 MB | 333 MB |
| Age rating | 4+ | 4+ |
| Developer | Zehra Koc | Supercent, Inc. |
Customer experience
Knock It Down!
Whack Stack!
In-app purchases
Knock It Down!
- Mini Coin Package$1.99
- Small Coin Package$7.99
- No Ads$9.99
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- Medium Coin Package$14.99
- Big Coin Package$29.99
- Super Coin Package$54.99
- Mega Coin Package$99.99
Whack Stack!
- staterdeal_0.99$0.99
- moneypack1_1.99$1.99
- valuepack_1.99$1.99
Show 7 moreShow fewer
- stepup1_1.99$1.99
- stepup2_4.99$4.99
- superdeal_7.99$7.99
- moneypack2_7.99$7.99
- noads_9.99$9.99
- megapack_24.99$24.99
- moneypack6_99.99$99.99
Questions
Is Knock It Down! free?
Is Whack Stack! free?
Which has better reviews, Knock It Down! or Whack Stack!?
Do Knock It Down! or Whack Stack! have ads?
Which is updated more often, Knock It Down! or Whack Stack!?
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