Comparison

Space Grunt vs Block Invaders

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

Head to head
About

Space Grunt

Battle alien invaders with jetpacks and guns across three distinct combat zones. Explore worlds, unlock heroes, and compete on speed run leaderboards. Enjoy ragdoll physics and particle effects in this action-packed game.

Highlights
  • Jetpack and gun combat
  • Ragdoll physics and particle effects
  • Speed run leaderboards
  • MFI controller support
  • Unlockable heroes and custom skins
  • Hidden collectibles
Features
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Earth's been invaded! Use jetpacks and guns to battle machines, monsters and alien bosses. Screen is divided into three zones (retreat, advance, and jump/jetpack). Features: - ragdoll physics & particle effects - speed run leaderboards - supports MFI controllers - supports landscape and portrait mode - three hidden giant coins in each world - two unlockable heroes, and support for importing custom skins - minigames - "Fair View" camera skew algorithm ensures consistent lookahead on wider/narrower devices

About

Block Invaders

Command a planetary defense platform to shoot down waves of alien invaders. Strategically build and upgrade weapons, each with unique abilities, to counter diverse enemy behaviors and complete missions.

Highlights
  • Command orbital defense platform
  • Build and upgrade weapons
  • Shoot down incoming alien waves
  • Diverse invader behaviors
  • Multiple weapon abilities
  • Mission-based gameplay
Features
Read full description

Earth is under attack. Block Invaders are advancing on your orbital defense platform — and they move just like you remember. Choose your weapons, pick your positions, and hold the line. Block Invaders: Tower Defense combines the nostalgia of classic arcade invaders with deep strategic tower defense gameplay. The invaders advance in waves moving forward together, pausing, then surging again — familiar, relentless, and satisfying to stop. No two games play the same. Every mission generates its own wave pattern, so your strategy needs to adapt every time you play. Features: • 6 weapon slots on your orbital platform • Unique weapon types — pulse lasers, photon bolts, cobalt beams, rockets and mines • 4 upgrade levels per weapon • 10 missions with 4 waves each • Procedurally varied enemy waves — no two runs identical • Multiple enemy types including Reapers, Gatherers, Banshees and Brains • Play free — unlock bonus missions with a single optional purchase • Universal app — iPhone, iPad and Mac • Apple Silicon No timers. No energy bars. No forced ads. Just strategy. Features of Block Invaders: Tower Defense :- * Many types of Invaders including Reapers, Gatherers, Banshees and Brains to name but a few. * More invaders added on each new release * Weapons include Pulse lasers, Photon bolts, Cobalt Beams and Rockets. * More weapons and Enemies to come in future updates.

Screenshots

Space Grunt4 screens
Block Invaders4 screens

Verdict

The call

The clearest difference is update cadence: Space Grunt at every 2 months against Block Invaders's every 12 months. Space Grunt also leads on iOS requirement (12.0 vs 16.0). On price, review sentiment, 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. Space Grunt sells 2 one-off in-app purchases and Block Invaders sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Space Grunt ships an update every 2 months, Block Invaders every 12 months. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 8 level
Space Grunt versus Block Invaders: the parameters behind the verdict, then further details
ParameterSpace GruntBlock Invaders
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 2 months — betterEvery 12 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size29 MB91 MB
Age rating9+4+
DeveloperEasy 8 SoftwareQED Gaming PTY. Ltd

Customer experience

Space Grunt

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Block Invaders

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Space Grunt

One-time2
  • Coin Doubler$0.99
  • Coin Pack$0.99
2 purchases

Block Invaders

One-time2
  • Earth Missions 6 to 10$0.99
  • No Adverts$1.99

Questions

Is Space Grunt free?
Space Grunt is free to download, with in-app purchases available.
Is Block Invaders free?
Block Invaders is free to download, with in-app purchases available.
Do Space Grunt or Block Invaders have ads?
Neither Space Grunt nor Block Invaders shows ads.
Which is updated more often, Space Grunt or Block Invaders?
Space Grunt ships an update every 2 months, and Block Invaders every 12 months. Most recently, Space Grunt was updated on October 10, 2026 and Block Invaders on October 20, 2026.

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