Comparison

Stack Attack!! vs Block Blast

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

Head to head

Stack Attack!!

Rougelike Space Invaders!

Free

🎮 Games

★ 4.3403 ratingsView app →

Block Blast

Block Assault: Tower Tactics

Free

🎮 Games

No ratingsView app →

About

Stack Attack!!

Engage in intense battles against waves of enemies, strategically demolishing their formations with powerful weapons. Upgrade your capabilities by selecting the best skills to protect the cube world from a malevolent hex invasion.

Highlights

Defeat enemy waves
Demolish enemy stacks
Upgrade skills
Save the cube world
Space invader gameplay

Features

Read full description

Defeat waves of enemies! Use your weapons to demolish the enemies' stacks! Choose the best skills to upgrade your power! Save the cube world from the evil hexes!

About

Block Blast

Build strategic maze-like defenses using puzzle pieces to guide zombies through deadly traps and powerful towers. Survive endless waves of undead in this action-packed tower defense game that combines classic TD mechanics with a unique puzzle twist.

Highlights

Puzzle-style defense building
Maze-like trap construction
Zombie wave survival
Tower upgrades and abilities
Challenging levels
Strategy and puzzle combination

Features

Read full description

Block Blast: Tower Defense – Ultimate Strategy & Survival Game! Build, Defend, Survive! Welcome to the ultimate tower defense experience, where strategy meets survival in an action-packed TD game! Unique Puzzle-Style Gameplay Strategically build maze-like defenses using puzzle pieces. Guide zombies through deadly traps and powerful defense towers. Every level is a new challenge with evolving enemy waves! Survive the Zombie Apocalypse The year 2XXX: A mysterious virus turns humans into zombies! Play as a survivor and protect your home from endless waves of undead. Use powerful tower cards to upgrade defenses and outsmart the horde. Tower Defense Evolved Classic TD mechanics with a fresh puzzle twist. Choose from various defensive towers, each with unique abilities. Upgrade your strategy after every wave to survive longer! Why You'll Love It - Challenging Tower Defense Gameplay - Puzzle & Strategy Combined - Exciting Levels & Upgrades - Perfect for Fans of Defense Games & TD Games Download Block Blast: Tower Defense NOW and become the ultimate defender!

Screenshots

Stack Attack!!4 screens

Block Blast4 screens

Verdict

The call

The clearest difference is review sentiment: Block Blast at 100% against Stack Attack!!'s 23%. Block Blast also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, monetization model and device support 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. Stack Attack!! sells 19 one-off in-app purchases and Block Blast sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Stack Attack!! ships an update every 2 weeks, Block Blast every 3 days. The most recent releases landed on August 19, 2026 and June 6, 2026 respectively.

Scorecard3 real differences · 7 level

Stack Attack!! versus Block Blast: the parameters behind the verdict, then further details
Parameter	Stack Attack!!	Block Blast
Price	Free	Free
Rating	4.3 (403 ratings) — better	—
Positive reviews	23.2% of reviews	100.0% of reviews — better
Number of ratings	403 — better	—
Update frequency	Every 2 weeks	Every 3 days — better
Ads	Yes	No — better
In-app purchases	Yes	Yes
Monetization	Free with in-app purchases	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0 — better	15.0
Further details — not scored
Size	247 MB	234 MB
Age rating	12+	9+
Developer	Voodoo	5game studio joint stock company

Customer experience

Stack Attack!!

All ratings403 ratings

Positive82.6%

Neutral4.2%

Negative13.2%

Written reviews155 reviews

Positive23.2%

Neutral13.5%

Negative63.2%

Block Blast

Written reviews2 reviews

Positive100.0%

Neutral0.0%

Negative0.0%

Bugs and requests

Stack Attack!!

Reported bugs

3 issues

Enemies' health scaling with player's attack power
Levels freezing or getting stuck at checkpoints
Weapon and upgrade levels getting downgraded randomly

Requested features

3 requests

Mute sound effects option
Better communication from developers about updates
More content and stages to progress through

Block Blast

Not enough reviews yet to summarise bugs or requests.

In-app purchases

19 purchases

Stack Attack!!

One-time19

Gem Pack Small$0.99
Gold Pack Small$0.99
Starter Pack$2.99

Show 16 more

No Ads$2.99
Gem Pack Medium$4.99
2X Speed!$4.99
Gold Pack Medium$4.99
Skip'its Medium Pack$5.99
Gem Pack Large$9.99
Gold Pack Large$9.99
Premium Pass$14.99
Gem Pack XL$19.99
Skip'its Large Pack$19.99
Gold Pack XL$19.99
Diamond Hero$29.99
Gem Pack XXL$49.99
Gold Pack XXL$49.99
Gem Pack XXXL$99.99
Gold Pack XXXL$99.99

9 purchases

Block Blast

One-time9

Starter Pack 01$1.99
Stamina Package 01$1.99
Diamonds Package 01$1.99

Show 6 more

Remove Ads Package$2.99
Diamonds Package 02$5.99
Diamonds Package 03$9.99
Stamina Package 02$10.99
Straterpack1$12.99
Stamina Package 03$19.99

Questions

Is Stack Attack!! free?

Stack Attack!! is free to download, with in-app purchases available.

Is Block Blast free?

Block Blast is free to download, with in-app purchases available.

Do Stack Attack!! or Block Blast have ads?

Stack Attack!! shows ads; Block Blast does not.

Which is updated more often, Stack Attack!! or Block Blast?

Stack Attack!! ships an update every 2 weeks, and Block Blast every 3 days. Most recently, Stack Attack!! was updated on August 19, 2026 and Block Blast on June 6, 2026.