# SUM — Quiet Math Puzzles — Logic, Numbers & Patterns

> Logic, Numbers & Patterns (iPhone/iPad app by Alex van Rooijen.)

- Source: https://appshunter.io/ios/app/sum-quiet-math-puzzles/id6804407416 (this page in markdown: same URL + `.md`)
- Developer: [Alex van Rooijen](https://appshunter.io/developer/1874390384)
- Category: Games, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 101 MB
- Languages: American English, Bangla, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany) and 31 more
- Released: 2026-09-07
- Data updated: 2026-10-02
- User reviews in markdown: https://appshunter.io/ios/app/sum-quiet-math-puzzles/id6804407416/reviews.md

## What is SUM?

SUM is a quiet puzzle game about seeing mathematical relationships.

Move, compare and arrange mathematical pieces until the idea behind each puzzle becomes clear. There are no timers, scores, streaks or advertisements — only space to look, notice and understand.

Explore the first two sets for free. Unlock Premium once to continue through the complete collection of puzzles and mathematical cards.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| SUM Premium | $3.99 | one-time |



## Version history (last 5 releases)

### 1.0.8 — 2026-10-01

This update refreshes SUM’s App Store presentation and discoverability. Gameplay is unchanged.

### 1.0.7 — 2026-09-26

Complete every puzzle in a set to reveal a Golden Card — a quiet reward for mastering the whole set. This update also includes small refinements throughout SUM.

### 1.0.6 — 2026-09-18

Improved card sharing, support for 18 more languages, and small refinements throughout SUM.

### 1.0.5 — 2026-09-15

This maintenance update improves native iOS language support and includes a few under-the-hood refinements. The puzzles and calm experience are unchanged.

### 1.0.4 — 2026-09-13

Small maintenance update. SUM now reports all supported languages correctly to the App Store, with a few under-the-hood refinements. The puzzles and calm experience are unchanged.

## Apps similar to SUM

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Mahjong Haven: Tile Match](https://appshunter.io/ios/app/mahjong-haven-tile-match/id6780047103) | — | Free | Games |
| [Summa: Number Puzzle Game](https://appshunter.io/ios/app/summa-number-puzzle-game/id6790951155) | — | Free | Games |
| [Puzzle Moment](https://appshunter.io/ios/app/puzzle-moment/id6788026922) | — | Free | Games |
| [Word Calm](https://appshunter.io/ios/app/word-calm/id1453795744) | 4.5 (14,242) | Free | Games |
| [Group Games on Phone: Yes No](https://appshunter.io/ios/app/group-games-on-phone-yes-no/id1446294021) | 4.1 (44) | Free | Games |
| [Intelligence Test](https://appshunter.io/ios/app/intelligence-test/id1470777147) | 4.5 (16) | Free | Games |

## More apps by Alex van Rooijen

- [StillWords: Riddle Word Search](https://appshunter.io/ios/app/stillwords-riddle-word-search/id6758679123)
- [Red Seal: Japanese Games](https://appshunter.io/ios/app/red-seal-japanese-games/id6772815401)

All apps by Alex van Rooijen: https://appshunter.io/developer/1874390384

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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 2026-10-02.*