# Sum It Up Now

> Fast Mental Math Puzzle

Canonical page: [https://chrome-stats.com/d/id6769440761](https://chrome-stats.com/d/id6769440761)

## Overview

- **ID:** `id6769440761`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Peter Pannewitz
- **Category:** Casual
- **Version:** 2.2
- **Last updated:** 2026-06-05
- **First published:** 2026-05-14
- **Size:** 3.37 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sum-it-up-now/id6769440761)
- **Website:** [https://www.pahham.org/sum\_it\_up\_support.html](https://www.pahham.org/sum_it_up_support.html)
- **Privacy policy:** [https://www.pahham.org/sum\_it\_up\_privacy\_en.html](https://www.pahham.org/sum_it_up_privacy_en.html)

## Description

Train your brain with fast-paced math puzzles! Play against the clock or relax in Zen Mode. 100% free, zero ads, and global leaderboards. How fast can you Sum It Up?

Sum It Up is a fast, minimalist mental math puzzle game. Add the blue numbers, subtract the red ones, and tap the correct sum before time runs out.

Play quick 5-second rounds, train calmly in Zen Mode, and challenge your best score.

How to Play:
• Blue = Plus: Add the positive numbers.
• Red = Minus: Subtract the red numbers.
• Beat the Clock: Each round starts with 5 seconds. Every 10 rounds, the time limit gets shorter until it reaches 3 seconds.
• Zen Mode: Practice without pressure.

Key Features:
• Minimalist design: Clean gameplay with no distractions.
• High scores: Track your progress and beat your own records.
• Haptic and audio feedback: Adjustable in settings.
• No ads: Pure gameplay with no pop-ups or forced video ads.
• Optional global leaderboards: Use Game Center to compare scores worldwide. By default, your scores stay local and private.

Train your mental arithmetic, test your reaction speed, or play a quick brain teaser on the commute.

Download Sum It Up and see how far you can go.

## Rankings

- #1,228,788 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6769440761)