# MathShapesAR vs Sky Across

The clearest difference is price: MathShapesAR at Free against Sky Across's $2.99. MathShapesAR also leads on iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

MathShapesAR is free to download; Sky Across costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MathShapesAR | Sky Across |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | — | Paid |
| Size | 70 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brandy Benedict](https://appshunter.io/developer/1726777521) | [Yue Liu](https://appshunter.io/developer/1818433170) |

## What reviewers say

### MathShapesAR

[App page](https://appshunter.io/ios/app/mathshapesar/id6476450063)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sky Across

[App page](https://appshunter.io/ios/app/sky-acrossmulticultural-stars/id6746770709)

Discover the night sky through augmented reality and explore celestial patterns from diverse cultural perspectives. Compare constellations and star names from different traditions side-by-side in multiple languages, even offline.

**Highlights:** Augmented reality star map, Multicultural constellation comparison, Dual-language star names, Offline stargazing, Night mode interface, Lightweight and fast performance

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

**In-app purchases:** none


## Frequently asked questions

### Is MathShapesAR free?

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

### Is Sky Across free?

Sky Across costs $2.99, with no in-app purchases.

### Do MathShapesAR or Sky Across have ads?

Neither MathShapesAR nor Sky Across 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.*