# Robo Math Number Line Galaxy vs Interactive Number Line

The clearest difference is update cadence: Robo Math Number Line Galaxy at every 2 months against Interactive Number Line's every 35 months. Interactive Number Line's advantage is price ($0.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Robo Math Number Line Galaxy costs $2.99 and Interactive Number Line $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Robo Math Number Line Galaxy ships an update every 2 months, Interactive Number Line every 35 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Robo Math Number Line Galaxy | Interactive Number Line |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/robo-math-number-line-galaxy/id959403178/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 35 months |
| Monetization | Paid | — |
| Size | 16 MB | 20 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [madebyeducators](https://appshunter.io/developer/668446587) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### Robo Math Number Line Galaxy

[App page](https://appshunter.io/ios/app/robo-math-number-line-galaxy/id959403178)

This app helps young learners practice fundamental math skills like addition, subtraction, and multiplication using an interactive number line. It features 15 planets to explore and an empty number line for experimentation, aligning with K1-4 and UK KS1/KS2 math curricula.

**Highlights:** 15 planets to explore, Addition and subtraction practice, Number bond exercises, Multiplication support, Empty number line for experimentation, Aligns with K1-4 and UK KS1/KS2 curriculum

**Features:** macOS Compatibility

**In-app purchases:** none


### Interactive Number Line

[App page](https://appshunter.io/ios/app/interactive-number-line/id1146532589)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Robo Math Number Line Galaxy free?

Robo Math Number Line Galaxy costs $2.99, with no in-app purchases.

### Is Interactive Number Line free?

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

### Do Robo Math Number Line Galaxy or Interactive Number Line have ads?

Neither Robo Math Number Line Galaxy nor Interactive Number Line shows ads.

### Which is updated more often, Robo Math Number Line Galaxy or Interactive Number Line?

Robo Math Number Line Galaxy ships an update every 2 months, and Interactive Number Line every 35 months. Most recently, Robo Math Number Line Galaxy was updated on November 1, 2026 and Interactive Number Line on October 26, 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.*