# Universal Zoom vs Planet Rotation

The clearest difference is price: Planet Rotation at $0.99 against Universal Zoom's $5.99. Universal Zoom's advantage is update cadence (every 4 months vs every 10 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Universal Zoom costs $5.99 and Planet Rotation $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Universal Zoom ships an update every 4 months, Planet Rotation every 10 months. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Universal Zoom | Planet Rotation |
| --- | --- | --- |
| Price | $5.99 | **$0.99** |
| Rating | **[4.8 (365 ratings)](https://appshunter.io/ios/app/universal-zoom-science-guide/id807673066/reviews)** | — |
| Number of ratings | **365** | — |
| Positive reviews | 96.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Monetization | Paid | — |
| Size | 175 MB | 41 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GamifyIt](https://appshunter.io/developer/807673069) | [Masahiro Tomosada](https://appshunter.io/developer/1587710118) |

## 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


### Planet Rotation

[App page](https://appshunter.io/ios/app/planet-rotation/id1604385250)

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

**In-app purchases:** none


## Frequently asked questions

### Is Universal Zoom free?

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

### Is Planet Rotation free?

Planet Rotation costs $0.99, with no in-app purchases.

### Do Universal Zoom or Planet Rotation have ads?

Neither Universal Zoom nor Planet Rotation shows ads.

### Which is updated more often, Universal Zoom or Planet Rotation?

Universal Zoom ships an update every 4 months, and Planet Rotation every 10 months. Most recently, Universal Zoom was updated on October 29, 2026 and Planet Rotation on October 8, 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.*