Doublio vs Grid
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Doublio
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Welcome to Doublio! Discover the ultimate minimalist number puzzle game designed to test your logic and help you unwind. If you love classic block-merging puzzles but crave a fresh, dynamic twist, you've just found your new addiction. Drop. Merge. Chain. Doublio is simple to learn but deeply rewarding to master. Drop numbered blocks onto the grid. When identical numbers touch, they merge into the next higher value. But here is the twist that changes everything: Horizontal Magnetism. Blocks of the same number will magnetically snap together from the sides. By planning your drops carefully, you can set up massive, deeply satisfying chain reactions. Watch the board clear itself as numbers fall, snap, and merge in a beautiful wave of logic! Key Features: Endless Strategy: No levels, no timers, no stress. Just you, the grid, and endless possibilities. Play at your own pace and see how high you can score. Magnetic Mechanics: Experience the unique horizontal pull that makes merging blocks feel incredibly smooth and satisfying. Epic Chain Reactions: Build clever traps and watch massive combos unfold with a single drop. Zen Experience: Featuring a sleek minimalist dark design, smooth haptics, and soothing ambient sounds, Doublio is the perfect game to relax your mind while keeping your brain sharp. Progressive Challenge: As the numbers grow larger, the grid gets tighter. Every move counts. Can you reach the ultimate block? Easy to pick up, impossible to put down. Download Doublio today, clear your mind, and start your first merge!
Grid
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GRIDLOCK is a strategic, grid-based logic puzzle for players who think several moves ahead. There's no timer pressure, no reflexes required, and no luck involved โ just pure spatial reasoning and planning. HOW IT WORKS Tap a cell and watch the effect ripple to its neighbors. Simple to learn, but every level adds a new rule that changes how you have to think. TEN LEVELS, TEN DIFFERENT CHALLENGES - Level 1 โ Toggle Neighbors: learn the core mechanic - Level 2 โ Wrapped Edges: the grid's borders connect to each other - Level 3 โ Locked Cells: plan your route around cells you can't touch - Level 4 โ Moving Obstacles: predict a patrol pattern before you move - Level 5 โ Limited Moves: every single move counts - Level 6 โ Multiple Objectives: satisfy several win conditions at once - Level 7 โ One-Way Cells: directional tiles that only ripple one way - Level 8 โ Number Constraints: cells with values that wrap on overflow - Level 9 โ Hidden Cells: uncover concealed information by playing around it - Level 10 โ Master Gridlock: every mechanic, combined, in one final puzzle Difficulty ramps up fast โ Level 2 is already hard, and it only gets tougher from there. Every puzzle is solvable and has been verified to have a real solution, so if you're stuck, the answer is always findable. FEATURES - 10 hand-crafted, guaranteed-solvable puzzles - Undo and Reset so you can experiment freely - A 3-tier hint system that nudges without spoiling the solve - Move counters, timers, and a scoring system that rewards efficiency - Progress and best scores saved automatically to your device - Haptic feedback you can toggle on or off - Full iPad support with a responsive, scaling grid - 100% offline โ no account, no ads, no internet connection required GRIDLOCK is built for players who enjoyed games like nonograms, Lights Out, and sliding-tile puzzles, but want something with more strategic depth and rule variety. Think before you move.
Screenshots
Verdict
The clearest difference is in-app purchases: Grid at none against Doublio's 1. Grid also leads on ads (none vs shown). Doublio's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Doublio sells 1 one-off in-app purchase. Grid asks for nothing beyond the download.
Doublio ships an update weekly, Grid every 3 weeks. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.
| Parameter | Doublio | Grid |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Every 3 weeks |
| Ads | Yes | No โ better |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 35 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Jakub Schmidt | Uma Geleen |
In-app purchases
Doublio
- Cascade Two: Ad Free$1.99
Grid
No in-app purchases









