Comparison

Collider.io vs Stack Fill

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

Head to head
About

Collider.io

Engage in thrilling 3D .io battles where survival is key. Collect items to enhance your power and become the last player standing in this competitive arena.

Highlights
  • 3D .io gameplay
  • Item collection
  • Power-up system
  • Last man standing survival
  • Competitive arena
Features
Read full description

The Arena is open. Fight for glory in our 3D .io game! Find and collect items to grow and power-up, be the last man standing!

About

Stack Fill

Features
Read full description

Discover a Fresh Take on Block Puzzle Games with Stack Fill Stack Fill offers a new twist on traditional block puzzles by introducing an innovative stacking mechanic. It’s a perfect combination of classic gameplay with unique, strategic elements that make every puzzle fresh and exciting. Whether you’re a casual player or a puzzle enthusiast, Stack Fill provides endless entertainment while challenging your spatial and logical skills. Why You’ll Love Stack Fill Innovative Stacking Mechanic Experience block puzzles like never before! Each block piece is part of a stack that can unstack in multiple directions when placed correctly. This new mechanic adds depth and strategy to the familiar block puzzle formula, keeping gameplay fresh and exciting. Challenging and Strategic Gameplay Each level offers new goals and increasingly complex puzzles. Plan your moves carefully to clear rows and columns while navigating obstacles and tricky stacking challenges. As the levels progress, so does the difficulty, testing your problem-solving abilities to the fullest. Colorful and Diverse Block Designs With a variety of block shapes and vibrant colors, Stack Fill creates a visually appealing and engaging experience. Every new level introduces different layouts and patterns to keep you hooked. Perfect for Casual and Dedicated Players Whether you’re looking for a quick mental break or a long puzzle-solving session, Stack Fill is designed for everyone. The simple, intuitive drag-and-drop controls make it easy to play, while progressively harder levels ensure a rewarding challenge for experienced players. How to Play Drag and drop blocks onto the board. Aim to destroy rows and columns by correctly placing blocks. Use the stacking mechanic to clear obstacles and achieve level goals. Each move counts, so plan your strategy to maximize clears and advance through challenging puzzles. Can you master the art of stacking and clear every board? Game Highlights Innovative stacking gameplay for a fresh puzzle-solving experience Progressively challenging levels with unique goals and layouts Simple, intuitive controls that anyone can enjoy Visually engaging designs with colorful and diverse blocks No time limits—play at your own pace and enjoy stress-free puzzles Download Stack Fill Today Ready for a block puzzle experience like no other? Download Stack Fill now and enjoy hours of addictive puzzle-solving fun. Master the stacking mechanic, clear the board, and rise to the challenge!

Screenshots

Collider.io3 screens
Stack Fill4 screens

Verdict

The call

The clearest difference is in-app purchases: Stack Fill at none against Collider.io's 7. Stack Fill also leads on update cadence (every 3 days vs every 2 months). Collider.io's advantage is ads (none vs shown). On price, 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

Both are free to download. Collider.io sells 7 one-off in-app purchases. Stack Fill asks for nothing beyond the download.

UpkeepUpdate frequency

Collider.io ships an update every 2 months, Stack Fill every 3 days. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Collider.io versus Stack Fill: the parameters behind the verdict, then further details
ParameterCollider.ioStack Fill
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size193 MB104 MB
Age rating9+4+
DeveloperSandor TasnadiHuseyin Bener Bozkurt

In-app purchases

7 purchases

Collider.io

One-time7
  • 10Ball$0.99
  • 11Ball$1.99
  • 12ball$2.99
Show 4 more
  • 13ball$3.99
  • 14ball$4.99
  • NoAds$4.99
  • 15Ball$5.99
None

Stack Fill

No in-app purchases

Questions

Is Collider.io free?
Collider.io is free to download, with in-app purchases available.
Is Stack Fill free?
Stack Fill is free to download, with no in-app purchases.
Do Collider.io or Stack Fill have ads?
Stack Fill shows ads; Collider.io does not.
Which is updated more often, Collider.io or Stack Fill?
Collider.io ships an update every 2 months, and Stack Fill every 3 days. Most recently, Collider.io was updated on November 2, 2026 and Stack Fill on October 28, 2026.

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