4Kolors vs Stack Fill
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
4Kolors
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4Kolors - Puzzle Game is a simple and addictive sliding block puzzle game that’s entertaining for all ages! The goal is to connect the same color blocks together! The more blocks you clear, the more scores and levels you get! HOW TO PLAY • Slide to connect at least 4 blocks with the same color to get more scores • The black blocks cannot be moved
Stack Fill
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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
Verdict
The clearest difference is ads: 4Kolors at none against Stack Fill's shown. On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.
| Parameter | 4Kolors | Stack Fill |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 3 days |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 33 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Le Huu Nghia | Huseyin Bener Bozkurt |
In-app purchases
4Kolors
No in-app purchases
Stack Fill
No in-app purchases









