Comparison

UFO Drop vs Stack Tower

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

Head to head
About

UFO Drop

Engage in a tactical arcade shooter where you control droplets to combat unique UFOs. Strategically deploy freezing, fire, or lucky drops to defend coins and destroy enemies. Master quick reactions and precise hits in increasingly challenging levels.

Highlights
  • Tactical weapon drops (freezing, fire, lucky)
  • Direct combat control with droplets
  • Collect all coins before UFOs
  • Unique UFO enemy types
  • Multiple challenging levels
  • Intense pace and adrenaline
Features
Read full description

UFO Drop - Tactical Arcade Shooter with Controllable Droplets! Key Features: - TACTICS: Choose weapon-drops against enemies: freezing (stop!), fire (damage!), lucky (sea/risk!). - ARCADE + SHOOTER: Speed, reaction, precise hits! Direct combat control. - CHALLENGE: Collect ALL coins before UFOs! Every stolen coin is your loss. - ENEMIES: Many unique UFOs, each a unique tactical challenge. - EVOLUTION: More actions, control and drive! Game Immersion: Your Weapons are Droplets: Each drop is your tactical tool. You don't just watch - you control every action! - Lucky Drop: Raises sea level, threatening UFOs with flooding. But beware: if it hits a UFO, your lives decrease! Risk wisely. - Fire Drop: Designed for direct UFO damage! Breach defenses, destroy targets quickly. - Freezing Drop: Slows UFOs for 2-3 seconds! Gains precious time to plan tactics, protect coins or prepare flooding. Your Goal: Coins and UFO Destruction Remember: UFOs hunt coins just like you! Key mechanic: collect ALL coins BEFORE enemies. Each coin stolen by UFOs: - Weakens your position - Increases difficulty - Requires instant reaction! Delay = defeat. Use drops strategically - not just for attack, but to block UFO paths! Each UFO type is a unique tactical puzzle. Each level is a new challenge requiring quick threat assessment and correct drop selection. Gameplay demands strategic thinking, quick reactions and precise execution. True tactical action! What Awaits You: - Multiple Levels: Gradually complex UFO tactical puzzles. From training to mastery! - Clear Tutorials: Understand each drop in-game. Master tactics quickly! - Intense Pace: New drops = more decisions = higher speed and adrenaline! - Distinct Style: Bright UFOs and spectacular ability animations.

About

Stack Tower

Features
Read full description

Stack Tower is the ultimate precision arcade challenge. Test your timing, focus, and reflexes as you stack blocks as high as possible. One perfect move can change everything — one mistake ends the run. Designed for quick sessions but hard to master, Stack Perfect combines clean visuals, smooth animations, and satisfying feedback to create a polished arcade experience. HOW TO PLAY • Tap at the perfect moment to place each block • Stack accurately to keep your tower growing • Miss the timing and the game is over Simple controls. Pure skill. FEATURES • Fast-paced precision arcade gameplay • Perfect move system with visual and sound feedback • Global leaderboards to compete worldwide • Optimized for short, addictive play sessions • Play offline anytime COMPETE & IMPROVE Climb the global rankings, beat your personal best, and prove your precision. Every game is a chance to improve and go higher than before. WHY YOU’LL LOVE IT If you enjoy skill-based games that reward focus, timing, and mastery, Stack Perfect is made for you. Easy to learn. Hard to master. Impossible to put down.

Screenshots

UFO Drop2 screens
Stack Tower4 screens

Verdict

The call

The clearest difference is price: Stack Tower at Free against UFO Drop's $1.99. UFO Drop's advantage is ads (none vs shown) and update cadence (every 4 days vs every 11 days). On in-app purchases, device support and iOS requirement 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

Stack Tower is free to download; UFO Drop costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

UFO Drop ships an update every 4 days, Stack Tower every 11 days. The most recent releases landed on June 22, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 6 level
UFO Drop versus Stack Tower: the parameters behind the verdict, then further details
ParameterUFO DropStack Tower
Price$1.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 days — betterEvery 11 days
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.0 — better
Further details — not scored
Size7 MB69 MB
Age rating4+4+
DeveloperDenis KashinHector Lopez

In-app purchases

None

UFO Drop

No in-app purchases

None

Stack Tower

No in-app purchases

Questions

Is UFO Drop free?
UFO Drop costs $1.99, with no in-app purchases.
Is Stack Tower free?
Stack Tower is free to download, with no in-app purchases.
Do UFO Drop or Stack Tower have ads?
Stack Tower shows ads; UFO Drop does not.
Which is updated more often, UFO Drop or Stack Tower?
UFO Drop ships an update every 4 days, and Stack Tower every 11 days. Most recently, UFO Drop was updated on June 22, 2026 and Stack Tower on September 24, 2026.

Other comparisons