# BlockSum: Number Puzzle Game — Math Puzzle & Brain Trainer

> Math Puzzle & Brain Trainer (iPhone/iPad app by Ercan Sozeri.)

- Source: https://appshunter.io/ios/app/blocksum-number-puzzle-game/id6759341394 (this page in markdown: same URL + `.md`)
- Developer: [Ercan Sozeri](https://appshunter.io/developer/1873742094)
- Category: Games, Casual, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 41 MB
- Languages: American English
- Released: 2026-02-24
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/blocksum-number-puzzle-game/id6759341394/reviews.md

## What is BlockSum?

Add numbers fast. Think faster. 

BlockSum is an addictive number puzzle game that challenges your brain with quick math, strategy, and fast decisions. Combine adjacent numbers to hit the target sum, clear the board, and stop the grid from filling up.

Perfect for fans of math games, brain training apps, logic puzzles, math challenges.

Why You’ll Love BlockSum

• Fast-Paced Number Puzzle Gameplay
Combine numbers under pressure in a unique twist on classic math puzzles.

• Brain Training That Feels Like a Game
Sharpen your mental math, logic, and focus with every move.

• Simple to Learn, Hard to Master
Easy controls, deep strategy, endless replay.

• Quick Sessions, Endless Challenge
Perfect for short bursts or long high-score runs.

How to Play

• A target number appears at the top
• Tap or drag across adjacent numbers to add them
• Match the exact sum to clear blocks and score
• A new row drops when the timer runs out
• Keep the grid from filling up or it’s game over

Think ahead. Move fast. Stay in control.

Game Features

• Endless Arcade Mode – Push your high score further every run
• Multiple Difficulty Levels – Easy, Medium, Hard for every skill level
• Strategic Grid Gameplay – Every move matters
• Timer-Based Challenge – Speed meets strategy
• Clean, Minimal Design – No distractions, just puzzles
• Dark Mode Support – Play comfortably anytime
• Smooth Controls – Tap or drag to create number chains

Difficulty Modes

Easy – Relaxed gameplay, perfect for beginners
Medium – Balanced challenge for puzzle lovers
Hard – Fast, intense, and highly competitive

Pro Tips

• Plan your number path before you move
• Stay within adjacent cells only
• Use Clear to fix mistakes
• Use Drop strategically to control the board
• Think ahead to avoid grid overflow

Upgrade to BlockSum Pro:

• No ads
• One-time purchase
• Pure uninterrupted gameplay

If you enjoy number puzzle games, math challenges, brain training apps, or logic puzzles, BlockSum is your next obsession.

Download now and test your brain with the ultimate number puzzle challenge!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Edition (No Ads) | $3.99 | one-time |



## Version history (last 5 releases)

### 1.2.0 — 2026-08-30

- UI components are refactored
- Point system changed: the longer the chain, the higher the points
- Statistics screen added

### 1.1.5 — 2026-07-24

Billing library updated

### 1.1.4 — 2026-06-30

- Deselect feature added, players can deselect the last cell they selected

### 1.1.2 — 2026-05-02

- Store information is optimised

### 1.1.1 — 2026-04-26

- Dark mode is now the default theme

## More apps by Ercan Sozeri

- [Addi Game](https://appshunter.io/ios/app/addi-game/id6758573223)

All apps by Ercan Sozeri: https://appshunter.io/developer/1873742094

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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 2026-09-01.*