Comparison

Shift & Stack vs Retro Invader Cosmic Shooter

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

Head to head
About

Shift & Stack

Features
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Shift & Stack is a calming blocks sorting puzzle you can play in short breaks or long, zen sessions. Your goal is simple: move the top block, one tap at a time, until every stack is perfectly sorted by color. The challenge is in the planning. One rushed move can trap a color and force you to rethink the whole level. WHY YOU’LL LOVE IT • Easy to learn: tap to pick up and place the top block • Strategy-friendly: no timer, so you can think ahead • Plenty of puzzles: progress from gentle starters to tricky levels • Helpful tools: undo, restart, and optional extra stack when you’re stuck • Satisfying finishes: clean clears and smooth feedback HOW TO PLAY 1) Tap a stack to pick up the top block 2) Tap another stack to place it — only on the same color (and only if there’s space) 3) Win when each stack contains a single color Play to unwind, focus, and challenge your logic — one perfect sort at a time.

About

Retro Invader Cosmic Shooter

Features
Read full description

THE INVASION HAS BEGUN. EARTH'S LAST DEFENSE IS YOU. Retro Invader Cosmic Shooter brings the legendary arcade experience to your fingertips. Pilot your starfighter against relentless waves of alien invaders in a neon-drenched battle for survival. Every wave hits harder. Every second counts. CLASSIC ARCADE COMBAT, REIMAGINED - Command your starfighter against 28 alien invaders per wave - Face 3 deadly alien species: Squids (40 pts), Crabs (30 pts), and Octopuses (20 pts) - Hunt the Mystery UFO for massive bonus points (100-300 pts) - Protect 4 destructible barrier shields from enemy fire - Authentic formation movement and attack patterns PURE PIXEL ART VISUALS - Hand-crafted pixel art sprites in a striking neon color palette - Glowing green, magenta, cyan, and yellow against the void of deep space - Satisfying particle explosions when you blast enemies to bits - Animated starfield background for cosmic atmosphere INTENSE WAVE-BASED PROGRESSION - Each new wave accelerates enemy speed by 15% - Alien formations march, descend, and fire with increasing aggression - Dynamic difficulty that rewards skilled pilots with higher scores - Procedurally generated mission briefings and combat reports DESIGNED FOR MOBILE - Responsive touch D-pad and fire button built for fast-paced combat - Haptic feedback on every shot, explosion, and game over - Portrait orientation for comfortable one-handed play - Quick 5-15 minute sessions perfect for commutes, breaks, or bedtime battles - Optimized 45 FPS game loop for smooth performance ZERO PAY-TO-WIN - No in-app purchases. No loot boxes. No pay walls. - Pure skill-based arcade action the way it was meant to be played Whether you grew up feeding quarters into arcade cabinets or discovering the thrill of classic shoot-em-ups for the first time, Retro Invader Cosmic Shooter delivers the tension, challenge, and satisfaction of the golden age of gaming -- right in your pocket. The aliens are descending. The barriers are crumbling. Your starfighter is armed and ready. LAUNCH YOUR MISSION NOW.

Screenshots

Shift & Stack4 screens
Retro Invader Cosmic Shooter4 screens

Verdict

The call

The clearest difference is ads: Shift & Stack at none against Retro Invader Cosmic Shooter's shown. Shift & Stack also leads on iOS requirement (12.0 vs 15.1). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 4 level
Shift & Stack versus Retro Invader Cosmic Shooter: the parameters behind the verdict, then further details
ParameterShift & StackRetro Invader Cosmic Shooter
PriceFreeFree
Update frequency—Every 7 months
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size54 MB40 MB
Age rating4+4+
Developereitezaz ahmadMasaki Kenneth Micheal Akita

In-app purchases

None

Shift & Stack

No in-app purchases

None

Retro Invader Cosmic Shooter

No in-app purchases

Questions

Is Shift & Stack free?
Shift & Stack is free to download, with no in-app purchases.
Is Retro Invader Cosmic Shooter free?
Retro Invader Cosmic Shooter is free to download, with no in-app purchases.
Do Shift & Stack or Retro Invader Cosmic Shooter have ads?
Retro Invader Cosmic Shooter shows ads; Shift & Stack does not.

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