# Learn Characters vs The Number Line

The clearest difference is ads: Learn Characters at none against The Number Line's shown. Learn Characters also leads on iOS requirement (11.0 vs 16.6). The Number Line's advantage is price ($0.99 vs $2.99). On update cadence, in-app purchases and device support there is nothing between them.

Learn Characters costs $2.99 and The Number Line $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Characters ships an update every 27 months, The Number Line every 21 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Learn Characters | The Number Line |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-number-line/id1611914396/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 21 months** |
| Monetization | — | Free |
| Size | 36 MB | 9 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HARASHOW Interactive](https://appshunter.io/developer/356148278) | [H Valeur](https://appshunter.io/developer/621824042) |

## What reviewers say

### Learn Characters

[App page](https://appshunter.io/ios/app/learn-characters/id1080185743)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Number Line

[App page](https://appshunter.io/ios/app/the-number-line/id1611914396)

This app allows users to visualize numbers on a number line and calculate the absolute difference between two numbers. It functions offline, making it accessible anytime and anywhere. Designed for ease of use and speed, it aims to be a go-to math tool.

**Highlights:** Number line visualization, Absolute difference calculator, Offline functionality, Intuitive interface, Fast operation, Supports positive and negative numbers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Learn Characters free?

Learn Characters costs $2.99, with no in-app purchases.

### Is The Number Line free?

The Number Line costs $0.99, with no in-app purchases.

### Do Learn Characters or The Number Line have ads?

The Number Line shows ads; Learn Characters does not.

### Which is updated more often, Learn Characters or The Number Line?

Learn Characters ships an update every 27 months, and The Number Line every 21 months. Most recently, Learn Characters was updated on October 26, 2026 and The Number Line on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*