# Universal Zoom vs SystemeSolaire

The clearest difference is update cadence: Universal Zoom at every 4 months against SystemeSolaire's every 55 months. SystemeSolaire's advantage is price ($1.99 vs $5.99) and iOS requirement (15.6 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Universal Zoom costs $5.99 and SystemeSolaire $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Universal Zoom ships an update every 4 months, SystemeSolaire every 55 months. The most recent releases landed on November 13, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | Universal Zoom | SystemeSolaire |
| --- | --- | --- |
| Price | $5.99 | **$1.99** |
| Rating | **[4.8 (369 ratings)](https://appshunter.io/ios/app/universal-zoom-science-guide/id807673066/reviews)** | — |
| Number of ratings | **369** | — |
| Positive reviews | 96.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 55 months |
| Monetization | Paid | — |
| Size | 176 MB | 596 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GamifyIt](https://appshunter.io/developer/807673069) | [NMS Narcisse Mavoha Solutions Sarl](https://appshunter.io/developer/963941606) |

## What reviewers say

### Universal Zoom

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

Explore the vastness of the universe, from subatomic particles to galaxies, with interactive scale comparisons and clear explanations. Discover scientific concepts visually and intuitively, making complex topics accessible to everyone. This app offers a deep dive into physics, biology, and astronomy with high-quality visuals and detailed information.

**Highlights:** Seamless zoom from Planck length to observable universe, Side-by-side object comparisons, Audio narration and accessible explanations, Exploration of particles, cells, planets, and galaxies, High-resolution images and original artwork, Available in 40 languages, Metric, imperial, or powers-of-ten units

**Features:** macOS Compatibility, iPhone Duo support

**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


### SystemeSolaire

[App page](https://appshunter.io/ios/app/systemesolaire/id1440418549)

**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 SystemeSolaire free?

SystemeSolaire costs $1.99, with no in-app purchases.

### Do Universal Zoom or SystemeSolaire have ads?

Neither Universal Zoom nor SystemeSolaire shows ads.

### Which is updated more often, Universal Zoom or SystemeSolaire?

Universal Zoom ships an update every 4 months, and SystemeSolaire every 55 months. Most recently, Universal Zoom was updated on November 13, 2026 and SystemeSolaire on November 14, 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.*