# CMB Maps vs 3D Star Map

The clearest difference is review sentiment: 3D Star Map at 100% against CMB Maps's 67%. 3D Star Map also leads on rating (4.4 vs 4.0). CMB Maps's advantage is iOS requirement (6.0 vs 12.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3D Star Map holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 14 and 9 respectively. Written reviews point the same way: 67% of CMB Maps's written reviews are positive against 100% of 3D Star Map's.

## The numbers

| Metric | CMB Maps | 3D Star Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (14 ratings)](https://appshunter.io/ios/app/cmb-maps/id894952449/reviews) | **[4.4 (9 ratings)](https://appshunter.io/ios/app/3d-star-map/id6758356924/reviews)** |
| Number of ratings | **14** | 9 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Free | Free |
| Size | 57 MB | 100 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qingqing Mao](https://appshunter.io/developer/894952452) | [Alexander Winn](https://appshunter.io/developer/652547902) |

## What reviewers say

### CMB Maps

[App page](https://appshunter.io/ios/app/cmb-maps/id894952449)

Explore detailed all-sky maps of cosmic microwave background radiation from the Big Bang. Compare different generations of fluctuations in high resolution and view galactic coordinates and microwave sources.

**Highlights:** 4K resolution CMB maps, Compare multiple maps, Zoom and scroll for details, Sky reference map, Educational demonstration tool

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Star Map

[App page](https://appshunter.io/ios/app/3d-star-map/id6758356924)

Explore over 700 stars in our local star cluster in a 3D space simulation. Zoom, rotate, and learn about neighboring star systems with detailed information available on tap. Perfect for research or satisfying cosmic curiosity.

**Highlights:** 3D space exploration, Over 700 local stars, Detailed star information, Zoom, rotate, and move, Relaxing animations, Educational content

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

**In-app purchases:** none


## Frequently asked questions

### Is CMB Maps free?

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

### Is 3D Star Map free?

3D Star Map is free to download, with no in-app purchases.

### Which has better reviews, CMB Maps or 3D Star Map?

3D Star Map is rated higher. CMB Maps averages 4.0 out of 5 from 14 ratings, while 3D Star Map averages 4.4 from 9 ratings.

### Do CMB Maps or 3D Star Map have ads?

Neither CMB Maps nor 3D Star Map 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.*