Comparison

Knock Out vs Stack Smash

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

Head to head
About

Knock Out

Blast colorful blocks and topple clever structures in this satisfying physics-driven puzzle game. Fire matching blocks to create explosive chain reactions and clear every piece to complete hundreds of handcrafted levels. Enjoy addictive, rewarding gameplay that's easy to learn but challenging to master.

Highlights
  • Addictive shoot-and-clear puzzle gameplay
  • Satisfying block destruction
  • Hundreds of handcrafted levels
  • Unique structures and obstacles
  • Smooth controls and precision shots
  • Colorful 3D visuals
  • Offline play
Features
Read full description

Ready, aim, and clear the board! Knock Out is a fun and satisfying block-shooting puzzle game where every shot brings you closer to victory. Blast colorful blocks, topple clever structures, and clear every last piece to complete the level. Fire matching blocks to create explosive chain reactions. Knock down towers, break through obstacles, and watch satisfying physics-driven destruction unfold with every perfect shot. Each level presents a new puzzle to solve, challenging you to think ahead and make every move count. Simple to learn, hard to put down. Whether you're clearing rows of colorful blocks or bringing down giant constructions piece by piece, Knock Out! delivers quick, rewarding gameplay that keeps you coming back for more. GAME FEATURES -Addictive shoot-and-clear puzzle gameplay -Satisfying block destruction and chain reactions -Hundreds of handcrafted levels to master -Unique structures, obstacles, and level objectives -Smooth controls and rewarding precision shots -Colorful 3D visuals and playful environments -Easy to learn, challenging to master -Relaxing gameplay with exciting puzzle moments -No internet required! Play anytime, anywhere Every block is standing in your way. Every shot matters. Download Knock Out! and see if you can clear every block from the board!

About

Stack Smash

Launch a cannon to smash through stacks of farmyard objects in this physics-based puzzle game. Enjoy satisfying destruction and clever level designs with simple controls. Explore a cozy farm festival with cute characters and bright visuals.

Highlights
  • Aim, shoot, and smash gameplay
  • Satisfying physics-based destruction
  • Clever puzzle levels with limited shots
  • Colorful farm objects to smash
  • Cozy farm festival locations
  • Simple controls and rewarding precision
Features
Read full description

Welcome to the farm’s biggest little smash festival! Aim your cannon, line up the perfect shot, and smash through stacks of barrels, crates, jam jars, hay bales, fruit, veggies, and other farmyard goodies. Every cannon shot can send objects flying, trigger satisfying chain reactions, and bring the whole structure crashing down. Each level is a playful physics puzzle where every shot matters. Look for the weak spot, choose the best angle, and shoot your way through clever stacks and tricky obstacles. Some levels can be cleared with one perfect smash, while others require careful aim, smart puzzle solving, and a few well-placed cannonballs. Enjoy satisfying physics-based destruction as wood tumbles, jars shatter, barrels roll, and colorful farm objects bounce across the level. With simple shoot-and-smash controls, Stack Smash is easy to learn, relaxing to play, and full of fun physics puzzles to master. Explore a cozy farm festival filled with barns, market stalls, balloons, and cute farmhand characters. Take on new levels, discover new things to smash, and keep the festival moving with every successful shot. GAME FEATURES - Fun aim, shoot, and smash cannon gameplay - Satisfying physics-based destruction - Clever puzzle levels with limited shots - Colorful stacks, obstacles, and structures to knock down - Fruit, vegetables, hay, jars, barrels, crates, and more to smash - Cozy farm festival locations - Cute and friendly farmhand characters - Simple controls with rewarding precision shots - Bright 3D visuals and playful animations - Quick puzzle levels for playing anytime The cannon is loaded, the targets are stacked, and the farm festival is ready. Aim carefully, shoot the cannon, and smash your way through every level in Stack Smash!

Screenshots

Knock Out4 screens
Stack Smash4 screens

Verdict

The call

The clearest difference is ads: Knock Out at none against Stack Smash's shown. Stack Smash's advantage is review sentiment (75% vs 50%). On price, rating, ratings volume and update cadence 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 Out sells 14 one-off in-app purchases and Stack Smash sells 12 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Stack Smash holds the better App Store score, 4.9 against 4.8. Both are backed by a comparable volume of ratings — 36K and 45K respectively. Written reviews point the same way: 50% of Knock Out's written reviews are positive against 75% of Stack Smash's.

UpkeepUpdate frequency

Knock Out ships an update every 3 days, Stack Smash every 6 days. Both last shipped on October 29, 2026.

Scorecard2 real differences · 9 level
Knock Out versus Stack Smash: the parameters behind the verdict, then further details
ParameterKnock OutStack Smash
PriceFreeFree
Rating4.8 (36K ratings)4.9 (45K ratings) — better
Positive reviews49.9% of reviews74.9% of reviews — better
Number of ratings36K45K — better
Update frequencyEvery 3 days — betterEvery 6 days
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#99 — better#119
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size242 MB375 MB
Age rating4+4+
DeveloperCombo GamesTripledot Studios

Customer experience

Knock Out

All ratings35,781 ratings
Positive95.1%
Neutral3.1%
Negative1.8%
Written reviews497 reviews
Positive49.9%
Neutral10.1%
Negative40.0%

Stack Smash

All ratings44,450 ratings
Positive98.7%
Neutral0.3%
Negative1.0%
Written reviews351 reviews
Positive74.9%
Neutral4.0%
Negative21.1%

In-app purchases

14 purchases

Knock Out

One-time14
  • Mini Pack$0.99
  • Mini Pack$1.99
  • Mini Pack$2.99
Show 11 more
  • Mini Pack$3.99
  • Mini Pack$4.99
  • Mini Pack$5.99
  • Medium Pack$7.99
  • Medium Pack$9.99
  • Large Pack$14.99
  • Large Pack$19.99
  • Large Pack$29.99
  • Mega Pack$39.99
  • Mega Pack$54.99
  • Mega Pack$99.99
12 purchases

Stack Smash

One-time12
  • Special Offer 1$1.99
  • Special Offer 10$2.99
  • Special Offer 11$4.99
Show 9 more
  • Special Offer 2$7.99
  • Special Offer 102 variants$9.99
  • Special Offer 13$12.99
  • Special Offer 8$14.99
  • Special Offer 3$14.99
  • Special Offer 12$19.99
  • Special Offer 4$29.99
  • Special Offer 5$49.99
  • Special Offer 6$99.99

Questions

Is Knock Out free?
Knock Out is free to download, with in-app purchases available.
Is Stack Smash free?
Stack Smash is free to download, with in-app purchases available.
Which has better reviews, Knock Out or Stack Smash?
Stack Smash is rated higher. Knock Out averages 4.8 out of 5 from 36K ratings, while Stack Smash averages 4.9 from 45K ratings.
Do Knock Out or Stack Smash have ads?
Stack Smash shows ads; Knock Out does not.
Which is updated more often, Knock Out or Stack Smash?
Knock Out ships an update every 3 days, and Stack Smash every 6 days. Most recently, Knock Out was updated on October 29, 2026 and Stack Smash on October 29, 2026.
Which is more popular, Knock Out or Stack Smash?
Knock Out currently peaks at #99 in the App Store charts, and Stack Smash at #119. Chart position reflects recent download velocity rather than total install base.

Other comparisons