# Number Line vs PrimeCalc

The clearest difference is price: Number Line at Free against PrimeCalc's $0.99. Number Line also leads on iOS requirement (13.0 vs 17.4). On ads, in-app purchases and device support there is nothing between them.

Number Line is free to download; PrimeCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Number Line | PrimeCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/number-line/id1531893217/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Monetization | Free | — |
| Size | 16 MB | 24 MB |
| Requires iOS | **13.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blastoff Design](https://appshunter.io/developer/1455360972) | [Tino Bahr](https://appshunter.io/developer/1734175117) |

## What reviewers say

### Number Line

[App page](https://appshunter.io/ios/app/number-line/id1531893217)

This app provides an interactive number line for educational purposes, enabling users to visualize numbers, perform various math games, and practice rounding. Its simple interface supports zooming, swiping, and marking numbers with pins or freehand drawing.

**Highlights:** Infinite number line visualization, Rounding practice (nearest 10, 100, 10,000), Number comparison, Pinch-to-zoom functionality, Swipe navigation, Search for specific numbers, Pin marking, Freehand drawing tool

**In-app purchases:** none


### PrimeCalc

[App page](https://appshunter.io/ios/app/primecalc/id6544799426)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Line free?

Number Line is free to download, with no in-app purchases.

### Is PrimeCalc free?

PrimeCalc costs $0.99, with no in-app purchases.

### Do Number Line or PrimeCalc have ads?

Neither Number Line nor PrimeCalc shows ads.

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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.*