# Robo Math Number Line Galaxy vs calculets PRO

Robo Math Number Line Galaxy and calculets PRO both sit at 5.0 stars, but that hides the real split: 25% of Robo Math Number Line Galaxy's written reviews are positive against 0% of calculets PRO's. Robo Math Number Line Galaxy also leads on update cadence (every 2 months vs every 4 months). calculets PRO's advantage is price ($0.99 vs $2.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Robo Math Number Line Galaxy against 5.0 for calculets PRO. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 25% of Robo Math Number Line Galaxy's written reviews are positive against 0% of calculets PRO's.

Robo Math Number Line Galaxy ships an update every 2 months, calculets PRO every 4 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Robo Math Number Line Galaxy | calculets PRO |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/robo-math-number-line-galaxy/id959403178/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/calculets-pro-math-game/id1439946398/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 16 MB | 10 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [madebyeducators](https://appshunter.io/developer/668446587) | [Jaime C. Carriedo](https://appshunter.io/developer/785723408) |

## 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


### calculets PRO

[App page](https://appshunter.io/ios/app/calculets-pro-math-game/id1439946398)

A straightforward math game designed to help users practice basic arithmetic operations like addition, subtraction, multiplication, and division. Players combine numbers to reach a target number, offering a fun way to improve foundational math skills.

**Highlights:** Practice addition, subtraction, multiplication, division, Combine numbers to reach a target, Undo operations feature, Multiple difficulty levels, Ad-free experience

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

**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 calculets PRO free?

calculets PRO costs $0.99, with no in-app purchases.

### Which has better reviews, Robo Math Number Line Galaxy or calculets PRO?

Robo Math Number Line Galaxy and calculets PRO are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Robo Math Number Line Galaxy or calculets PRO have ads?

Neither Robo Math Number Line Galaxy nor calculets PRO shows ads.

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

Robo Math Number Line Galaxy ships an update every 2 months, and calculets PRO every 4 months. Most recently, Robo Math Number Line Galaxy was updated on November 1, 2026 and calculets PRO on November 2, 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.*