# Rednum

> Prime factorization logic puzzle game with 3-in-a-row gameplay. (iPhone/iPad app by Futujoy.)

- Source: https://appshunter.io/ios/app/rednum/id1049089950 (this page in markdown: same URL + `.md`)
- Developer: [Futujoy](https://appshunter.io/developer/515030518)
- Category: Games, Education, Family, Puzzle
- Price: Free with in-app purchases
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 8.0 · 21 MB
- Languages: English, Russian
- Released: 2016-03-08
- Data updated: 2026-06-25
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/rednum/id1049089950/reviews.md

## What is Rednum?

Rednum is a brand new kind of logical game with elements of "3-in-a-row" gameplay!
The game is based on the fact that any composite number can be decomposed into prime numbers. To pass a level you need to reduce all composite numbers by gathering numbers with common divisor in a row, so only primes should remain. Your task is complicated by variety of geometry of levels and plenty of additional elements which modify the field of play. A lot of bonuses will help you pass this exciting game.

Key features:
- In-game training;
- 200 unique levels;
- Suitable for short breaks (casual game);
- Exercises your brain;
- Teaches math;
- Different bonuses;
- Intuitive touch-control;
- Supports Game Center;
- Bright graphics;
- 3-in-row family gameplay.
- Available exclusively on Apple's AppStore.

The average person reaches 40th level, and what about you ?

## Key features

- Prime number factorization gameplay
- 200 unique levels
- Brain-exercising puzzles
- Math education elements
- In-game training
- Bonuses and power-ups
- Intuitive touch controls

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 100 coins pack | $0.99 | one-time |
| 250 coins pack | $1.99 | one-time |
| 1000 coins pack | $2.99 | one-time |



## Frequently asked questions about Rednum

### What is the core gameplay of Rednum?

Rednum is a logic game that blends "3-in-a-row" mechanics with prime number factorization. The goal is to reduce composite numbers by forming rows of numbers with common divisors, leaving only prime numbers.

### How many levels are in Rednum?

Rednum features 200 unique levels, offering a substantial amount of content for players to progress through.

### Is Rednum suitable for quick play sessions?

Yes, Rednum is designed as a casual game, making it suitable for short breaks. Its gameplay mechanics are easy to pick up and play for brief periods.

### Does Rednum help with learning math?

Indeed, Rednum exercises your brain and teaches math concepts by focusing on prime factorization, a fundamental aspect of number theory.

### What platforms is Rednum available on?

Rednum is available exclusively on Apple's AppStore and supports iPhone, iPad, and iPod devices.

### What is the user rating for Rednum?

Rednum has a rating of 4.0 stars from 1 rating, indicating a generally positive reception from its early players.

### When was Rednum last updated?

The latest version of Rednum, 1.0.6, was last updated on May 14, 2019. The game was initially released on March 8, 2016.

### Does Rednum have ads?

The provided data does not specify if Rednum contains advertisements. However, it is listed as free with in-app purchases.

## Version history (last 5 releases)

### 1.0.6 — 2019-05-14

Minor fixes

### 1.0.5 — 2019-04-18

Support of latest devices and iOS 12.x

### 1.0.4 — 2017-03-14

Minor fixes

### 1.0.3 — 2017-01-05

Bugs fixed.

### 1.0.2 — 2016-08-31

Minor fixes

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## More apps by Futujoy

- [The Wonder Cat](https://appshunter.io/ios/app/the-wonder-cat/id850993886)
- [Colorage](https://appshunter.io/ios/app/colorage/id1196425512)
- [Touch & Explore](https://appshunter.io/ios/app/touch-and-explore/id1453220015)

All apps by Futujoy: https://appshunter.io/developer/515030518

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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 2026-06-25.*