Comparison

Drift And Merge! vs UnderAttack

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

Head to head
About

Drift And Merge!

Features
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Create your own drift loop and make money!

About

UnderAttack

Features
Read full description

Defend Earth from alien invasion! Command powerful starships, upgrade devastating weapons, and face epic boss battles across 10 chapters. Easy to learn, impossible to master. Join the fight and become the hero Earth needs! INTENSE SPACE COMBAT • Fast-paced tower defense shooter with smooth touch controls • Dynamic enemy spawn patterns keep you on your toes • Strategic buff system for tactical decisions during missions • Adaptive difficulty that adjusts to your skill level DEEP UPGRADE SYSTEM • Unlock 7 legendary captains with unique combat abilities • 5 weapon types: Cannon, Laser, Missile, Freeze Ray, Chain Lightning • Strategic temporary buffs: shields, damage boost, critical hits • Collect and upgrade 6 different starship classes • Each ship has unique stats and weapon slots EPIC BOSS BATTLES • 50 boss battles across 10 unique planets • Each boss has distinct attack patterns and strategies • Massive capital ships and alien motherships • Challenging boss stages with fewer but stronger enemies PROGRESSION & COLLECTION • 250 stages across 10 planets (25 levels per planet) • 7 legendary captains with unique abilities: - Nova: Damage specialist - Vex: Critical hit master - Iron: Defensive tank - Blaze: Speed demon - Phantom: Stealth striker - Zeus: Lightning lord - Omega: Ultimate commander • Strategic buff system with 15+ temporary upgrades • Data currency for tactical decisions during missions • Adaptive difficulty adjusts based on your performance WHAT PLAYERS SAY "Best mobile space shooter I've played this year!" - 5 stars "Perfect balance of challenge and casual fun" - 5 stars "Finally a shooter that doesn't force ads!" - 5 stars 100% FREE TO PLAY • Download and play completely free forever • Optional in-app purchases for faster progression • No forced ads - watch for bonus rewards only • Full offline play support - no internet required • Fair difficulty with adaptive assistance for struggling players PREMIUM FEATURES • Stunning particle effects and explosions • Original sci-fi soundtrack and sound design • Regular content updates with new chapters and captains • Cloud save - seamlessly play across devices • Optimized for all iOS devices and tablets • Portrait and landscape mode support • One-handed gameplay option PERFECT FOR • Fans of classic arcade space shooters and tower defense games • Players who love boss battles and strategy • Anyone seeking quick 5-10 minute gaming sessions • Collectors who enjoy unlocking characters and ships • Casual and hardcore gamers alike REGULAR UPDATES • New chapters released quarterly • Weekly balance updates based on player feedback • Monthly events with exclusive rewards • Active development team listening to community Join the battle today! Download Under Attack: Idle TD and become the hero Earth needs. Command your fleet, upgrade your arsenal, and prove you're the galaxy's greatest defender!

Screenshots

Drift And Merge!4 screens
UnderAttack4 screens

Verdict

The call

The clearest difference is in-app purchases: Drift And Merge! at none against UnderAttack's 9. Drift And Merge! also leads on update cadence (daily vs every 4 months) and iOS requirement (11.0 vs 16.4). On price 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. UnderAttack sells 9 one-off in-app purchases. Drift And Merge! asks for nothing beyond the download.

UpkeepUpdate frequency

Drift And Merge! ships an update daily, UnderAttack every 4 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level
Drift And Merge! versus UnderAttack: the parameters behind the verdict, then further details
ParameterDrift And Merge!UnderAttack
PriceFreeFree
Update frequencyDaily — betterEvery 4 months
Ads—Yes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.4
Further details — not scored
Size108 MB88 MB
Age rating4+4+
DeveloperKubra GundoganOGULCAN SACLI

In-app purchases

None

Drift And Merge!

No in-app purchases

9 purchases

UnderAttack

One-time9
  • 50 Gem$0.99
  • 130 Gem$1.99
  • Starter Pack$2.99
Show 6 more
  • Adventurer Bundle$4.99
  • 350 Gem$4.99
  • 650 Gem$7.99
  • Veteran Pack$9.99
  • Dreadnought$9.99
  • 1500 Gem$14.99

Questions

Is Drift And Merge! free?
Drift And Merge! is free to download, with no in-app purchases.
Is UnderAttack free?
UnderAttack is free to download, with in-app purchases available.
Which is updated more often, Drift And Merge! or UnderAttack?
Drift And Merge! ships an update daily, and UnderAttack every 4 months. Most recently, Drift And Merge! was updated on October 27, 2026 and UnderAttack on October 30, 2026.

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