# Universal Zoom vs CMB Maps

The clearest difference is price: CMB Maps at Free against Universal Zoom's $5.99. CMB Maps also leads on iOS requirement (6.0 vs 15.5). Universal Zoom's advantage is rating (4.8 vs 4.0) and review sentiment (97% vs 67%). On ads, in-app purchases and device support there is nothing between them.

CMB Maps is free to download; Universal Zoom costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Universal Zoom holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Universal Zoom has 356 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 97% of Universal Zoom's written reviews are positive against 67% of CMB Maps's.

## The numbers

| Metric | Universal Zoom | CMB Maps |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.8 (356 ratings)](https://appshunter.io/ios/app/universal-zoom-science-guide/id807673066/reviews)** | [4.0 (14 ratings)](https://appshunter.io/ios/app/cmb-maps/id894952449/reviews) |
| Number of ratings | **356** | 14 |
| Positive reviews | **96.7% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Paid | **Free** |
| Size | 175 MB | 57 MB |
| Requires iOS | 15.5 | **6.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GamifyIt](https://appshunter.io/developer/807673069) | [Qingqing Mao](https://appshunter.io/developer/894952452) |

## What reviewers say

### Universal Zoom

[App page](https://appshunter.io/ios/app/universal-zoom-science-guide/id807673066)

Explore the universe's vastness and intricacy through interactive visual comparisons. Seamlessly zoom from subatomic particles to the observable universe, gaining intuition about scale and size with stunning imagery and clear explanations.

**Highlights:** Seamless zooming across scales, Visual comparisons of objects, Jargon-free scientific explanations, Audio narration, Over 270 objects presented to scale, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fascinating and informative
- 🚀 Smooth and seamless experience
- 💡 Puts things into perspective
- 👍 Great learning tool for all ages
- 👍 Visually appealing and well-designed

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔋 High battery consumption
- 🔇 Background music could be improved

**Reported bugs**

- Incorrect information for some objects
- Compatibility issues on older devices
- Typos and minor errors in text

**Requested features**

- Add more objects and comparisons
- Customizable object feature
- Support for more languages
- Ability to toggle between metric and imperial units
- Search and filtering options


### 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


## Frequently asked questions

### Is Universal Zoom free?

Universal Zoom costs $5.99, with no in-app purchases.

### Is CMB Maps free?

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

### Which has better reviews, Universal Zoom or CMB Maps?

Universal Zoom is rated higher. Universal Zoom averages 4.8 out of 5 from 356 ratings, while CMB Maps averages 4.0 from 14 ratings.

### Do Universal Zoom or CMB Maps have ads?

Neither Universal Zoom nor CMB Maps 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.*