# Doublio: Number Puzzle — Merge blocks, relax your brain

> Merge blocks, relax your brain (iPhone/iPad app by Jakub Schmidt.)

- Source: https://appshunter.io/ios/app/doublio-number-puzzle/id6764775662 (this page in markdown: same URL + `.md`)
- Developer: [Jakub Schmidt](https://appshunter.io/developer/1895911394)
- Category: Games, Casual, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 35 MB
- Languages: American English
- Released: 2026-05-06
- Data updated: 2026-10-24

## What is Doublio?

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!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Cascade Two: Ad Free | $1.99 | one-time |


## Is Doublio safe?

Not enough ratings yet to assess Doublio.

## Is Doublio legit?

Doublio: Number Puzzle has limited verification signals. The AppsHunter Legitimacy Score for Doublio is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.3.6 — 2026-10-11

This update is all about competing together — and leveling up faster.

• Sign in with email to keep your profile, XP, and high scores synced across devices. You can still play as a guest.
• Choose a nickname and climb the new global leaderboards. Rankings are shared across iOS and Android, with a separate board for every mode.
• Difficulty now changes how much XP you earn: 0.7× on Easy, 1× on Medium, 1.5× on Hard.
• After each game you can Double XP.
• Every run starts with one free undo. Need another hammer, reroll, or undo? Watch a short ad.

Thanks for playing Doublio — see you on the leaderboards.

### 1.3.4 — 2026-10-01

This update brings a new name: Doublio.
Drop tiles, merge matches, and chain huge combos — same game you already know.
Thanks for playing.

### 1.3.3 — 2026-09-18

Minor bug fixes

### 1.3.0 — 2026-08-28

What's New in 1.3.0

Daily streaks
Keep a streak going for rewards at 3, 7, 14, and 30 days — power-ups, XP, streak freezes, and an exclusive Streak Flame tile skin. Miss a day? A freeze can save your streak automatically.

Daily challenge runs
Some days now come with a twist: Frost, Blind, Quarry, or Antigravity. Complete the challenge, then share your streak.

Share your runs
Hit a personal best or finish the daily? Share a score card with friends.

Reminders
Optional notifications for daily challenges and streak alerts, so you don’t lose your run overnight. Toggle them anytime in Settings.

Looks & feel
New Ember and Mono themes, unlockable tile skins, chain combos, punchier perfect merges, and a clearer game-over recap — including personal-best banners and best chain.

Reroll now always gives you a different tile.

### 1.2.14 — 2026-05-26

• Ads are now quieter and less intrusive.
• General connection stability improvements.

## Apps similar to Doublio

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Merge Drop Number: Puzzle Game](https://appshunter.io/ios/app/merge-drop-number-puzzle-game/id6777625010) | — | Free | Games |
| [Number Slide - Arrange Numbers](https://appshunter.io/ios/app/number-slide-arrange-numbers/id6786040766) | 5.0 (1) | Free | Games |
| [sudo – simple sudoku](https://appshunter.io/ios/app/sudo-simple-sudoku/id6451124108) | 5.0 (3) | $2.99 | Games |
| [Ominomicon - Falling Blocks](https://appshunter.io/ios/app/ominomicon-falling-blocks/id6790953866) | 5.0 (2) | Free | Games |
| [Drop & Shot Number](https://appshunter.io/ios/app/drop-and-shot-number/id6444639181) | — | Free | Games |
| [Fill Multicolor: Line Puzzle](https://appshunter.io/ios/app/fill-multicolor-line-puzzle/id1664318413) | 4.0 (3) | Free | Games |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*