# The Number Line — Number Line

> Offline number line visualization and absolute difference calculator for math education. (iPhone/iPad app by H Valeur.)

- Source: https://appshunter.io/ios/app/the-number-line/id1611914396 (this page in markdown: same URL + `.md`)
- Developer: [H Valeur](https://appshunter.io/developer/621824042)
- Category: Education, Utilities
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.6 · 9 MB
- Languages: English
- Released: 2022-03-05
- Data updated: 2026-09-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/the-number-line/id1611914396/reviews.md

## What is The Number Line?

The iOS Number Line App was created in response to requests by visitors to our popular https://numbermaniacs.com website. Our visitors wanted a standalone application that does not require an Internet connection to locate numbers on a number line.

In addition to showing numbers on a number line, this app also includes a calculator that can calculate the absolute difference between two numbers. This may be especially helpful when dealing with the absolute difference between a positive and a negative number.

The Number Line App does not require an Internet connection, so you can use it anytime and anywhere. The goal was to make the app intuitive, clutter free, fast to operate, and easy to use. We hope the Number Line App will become one of your favorite math apps.

## Key features

- Number line visualization
- Absolute difference calculator
- Offline functionality
- Intuitive interface
- Fast operation
- Supports positive and negative numbers


## Frequently asked questions about The Number Line

### What is The Number Line app?

The Number Line app is an educational tool that allows you to visualize numbers on a number line and calculate the absolute difference between two numbers. It's designed to be intuitive, fast, and easy to use for learning math concepts.

### Does The Number Line app require an internet connection?

No, The Number Line app does not require an internet connection to function. This allows you to use it anytime and anywhere, making it a convenient tool for learning on the go.

### What is the absolute difference calculator feature?

The app includes a calculator that computes the absolute difference between two numbers. This feature is particularly helpful for understanding the distance between positive and negative numbers on the number line.

### What devices is The Number Line app compatible with?

The Number Line app is compatible with iPhone, iPad, and iPod devices. It is designed to run on iOS.

### What is the age rating for The Number Line app?

The Number Line app has an age rating of 4+. This indicates it is suitable for children aged 4 and above, as well as older learners.

### How often is The Number Line app updated?

The Number Line app was last updated on September 4, 2025, with version 2.0. The initial release date was March 5, 2022.

### Does The Number Line app have ads?

No, The Number Line app is ad-free. It does not contain advertisements, providing an uninterrupted learning experience.

### What is the user sentiment for The Number Line app?

Based on the available data, The Number Line app has a perfect rating of 5.0 stars from one review, indicating very positive user sentiment.

## Version history (last 3 releases)

### 2.0 — 2025-09-04

The Number Line app has been completely rebuilt—featuring a sleek new look and a playful Number Line Game that turns absolute values into second nature. Optimized for the latest iOS, it’s polished, snappy, and seamless across all your Apple devices.

### 1.2 — 2022-03-06

Bug fix so you can enter negative numbers on all devices.

### 1.1 — 2022-03-05

No release notes.

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| --- | --- | --- | --- |
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All apps by H Valeur: https://appshunter.io/developer/621824042

## Related topics

[the number line](https://appshunter.io/ios/topics/the-number-line) · [crazy math number line lite](https://appshunter.io/ios/topics/crazy-math-number-line-lite) · [number line](https://appshunter.io/ios/topics/number-line) · [number lines](https://appshunter.io/ios/topics/number-lines)

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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 2026-09-08.*