Comparison

Idle Space Force vs Gravity Smash

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

Head to head
About

Idle Space Force

Command a retro spaceship in this incremental clicker game. Blast enemies, upgrade your ship, and explore planets to earn passive income. Enjoy classic shoot 'em up action with idle RPG mechanics.

Highlights
  • Incremental idle gameplay
  • Retro space shoot 'em up battles
  • Ship upgrades and prestige system
  • Offline income generation
  • Explore multiple unique worlds
  • Pixelated retro graphics
Features
Read full description

Take command of your ship in Idle Space Force! Blast your way through this retro incremental space shoot ‘em up, upgrade your ship, and travel to scenic and dangerous planets, collecting a passive income for your fleet! Idle Space Force is a retro idle tapper with the perfect blend of idle and RPG mechanics inspired by the classics like Space Invaders and Asteroids. Collect your ISF credits while offline and blast through seven unique worlds with classic shmup gameplay. Prestige your way through Deep Space upgrades and travel to never before seen worlds! Idle Gameplay Generate income as you cruise AFK or battle hordes of enemies through space! Your ship’s progress continues while offline, letting you pick up the action wherever you are in the universe. Action-Packed Battles Engage in intense pixelated retro space battles as you face relentless enemies from across the galaxy. With classic mechanics of the staple shoot ‘em up / shmup genre, you’ll be filling the screen with bombs and bees in a flash – battling enemy ships, enemy hornets, and enemy bosses. Gameplay inspired by 8 bit classics like Space Invaders and Asteroids. Upgrade Your Ship Kit out your ship with powerful upgrades and frontier technologies to unleash devastating firepower. Collect income like an idle game while offline, then add missiles, magnetism, and more to your vessel. Looking for even more firepower? Prestige your way to the ultimate unlocks and blast away the competition! Explore the Cosmos Vast worlds await you in the expanses of space. Uncover hidden treasures, acquire new upgrades and confront challenging bosses. From the outskirts of deep space to the remnants of the Terran homeworld, there are many unique challenges along the way. Addictive Experience With simple yet engaging gameplay mechanics, Idle Space Force offers endless entertainment for both casual players and hardcore enthusiasts alike. The mix of idle game mechanics and shoot 'em up action ensures that even when you’re not working – you’re always on the clock! Ready to conquer the cosmos? Download Idle Space Force now and embark on an epic retro idle shmup journey!

About

Gravity Smash

Experience a physics-based destruction game where you drop heavy objects to crush geometric structures. With over 100 levels, it offers satisfying arcade action and brain-teasing puzzles. Enjoy relaxing, offline gameplay with simple one-tap controls.

Highlights
  • Satisfying physics-based destruction
  • Over 100 challenging levels
  • Relaxing and stress-relieving gameplay
  • Offline play supported
  • Simple one-tap controls
Features
Read full description

Harness the power of gravity and smash your way to victory! Gravity Smash is the ultimate physics-based destruction game that combines satisfying arcade action with brain-teasing puzzles. Drop heavy objects, time your release perfectly, and watch the chaos unfold as you crush geometric structures into dust. Whether you have 5 minutes to kill or an hour to burn, Gravity Smash offers the perfect balance of relaxation and challenge. GAME FEATURES: Satisfying Physics: Feel the weight of every impact with realistic destruction mechanics. 100+ Levels: Progress from simple drops to complex gravity puzzles that require precision and strategy. Relaxing & Addictive: The perfect "Zen" game to relieve stress. No timers, no pressure—just you and the destruction. Offline Play: No Wi-Fi? No problem. Smash blocks anywhere, anytime. One-Tap Controls: Easy to learn, difficult to master. Just aim, tap, and smash! Do you have the precision to clear the board? Download Gravity Smash today and start the destruction!

Screenshots

Idle Space Force4 screens
Gravity Smash4 screens

Verdict

The call

The clearest difference is update cadence: Gravity Smash at every 2 days against Idle Space Force's every 3 weeks. Gravity Smash also leads on review sentiment (100% vs 71%) and rating (5.0 vs 4.7). Idle Space Force's advantage is ratings volume (550 vs 2). On price, ads, in-app purchases and monetization model 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. Idle Space Force sells 8 one-off in-app purchases and Gravity Smash sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Gravity Smash holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Idle Space Force has 550 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 71% of Idle Space Force's written reviews are positive against 100% of Gravity Smash's.

UpkeepUpdate frequency

Idle Space Force ships an update every 3 weeks, Gravity Smash every 2 days. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
Idle Space Force versus Gravity Smash: the parameters behind the verdict, then further details
ParameterIdle Space ForceGravity Smash
PriceFreeFree
Rating4.7 (550 ratings)5.0 (2 ratings) — better
Positive reviews71.3% of reviews100.0% of reviews — better
Number of ratings550 — better2
Update frequencyEvery 3 weeksEvery 2 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS1816.6 — better
Further details — not scored
Size137 MB99 MB
Age rating9+4+
DeveloperFuse GamesAirglow, LLC

Customer experience

Idle Space Force

All ratings550 ratings
Positive92.9%
Neutral3.1%
Negative4.0%
Written reviews80 reviews
Positive71.3%
Neutral11.3%
Negative17.5%

Gravity Smash

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Idle Space Force

Reported bugs

3 issues
  • Crashes when trying to advance to next planet
  • Offline rewards not working properly
  • Forced flashing screen from power-up

Requested features

7 requests
  • Loot falling towards the ship
  • Seasonal item multipliers working on all items
  • Visibility of loot from invisible enemies
  • Hint system for clues
  • Faster bullet speed
Show 2 more
  • Earlier auto-fire/generation upgrades
  • More levels/content

Gravity Smash

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Idle Space Force

One-time8
  • Star Coin Currency x100$1.99
  • Star Coin Currency x300$3.99
  • Remove Ads$6.99
Show 5 more
  • Prestige Pack$7.99
  • Starter Pack$9.99
  • Star Coin Currency x1000$10.99
  • Star Coin Currency x2500$19.99
  • Star Coin Currency x7500$49.99
4 purchases

Gravity Smash

One-time4
  • 10 Coins$0.99
  • 50 Coins$3.99
  • 150 Coins$9.99
Show 1 more
  • 500 Coins$24.99

Questions

Is Idle Space Force free?
Idle Space Force is free to download, with in-app purchases available.
Is Gravity Smash free?
Gravity Smash is free to download, with in-app purchases available.
Which has better reviews, Idle Space Force or Gravity Smash?
Gravity Smash is rated higher. Idle Space Force averages 4.7 out of 5 from 550 ratings, while Gravity Smash averages 5.0 from 2 ratings.
Do Idle Space Force or Gravity Smash have ads?
Both Idle Space Force and Gravity Smash show ads.
Which is updated more often, Idle Space Force or Gravity Smash?
Idle Space Force ships an update every 3 weeks, and Gravity Smash every 2 days. Most recently, Idle Space Force was updated on October 12, 2026 and Gravity Smash on October 4, 2026.

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