# Universal Zoom vs Старший Механик cMate Test

The clearest difference is review sentiment: Universal Zoom at 97% against Старший Механик cMate Test's 67%. Universal Zoom also leads on update cadence (every 4 months vs every 17 months) and price ($5.99 vs $9.99). Старший Механик cMate Test's advantage is iOS requirement (15.6 vs 17.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Universal Zoom costs $5.99 and Старший Механик cMate Test $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Universal Zoom ships an update every 4 months, Старший Механик cMate Test every 17 months. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Universal Zoom | Старший Механик cMate Test |
| --- | --- | --- |
| Price | **$5.99** | $9.99 |
| Rating | **[4.8 (367 ratings)](https://appshunter.io/ios/app/universal-zoom-science-guide/id807673066/reviews)** | — |
| Number of ratings | **367** | — |
| Positive reviews | **96.7% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 17 months |
| Monetization | Paid | Paid |
| Best chart rank | **#192** | — |
| Size | 176 MB | 61 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) | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) |

## What reviewers say

### Universal Zoom

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

**Currently charting:** #192 Top Paid · Education (US App Store)

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


### Старший Механик cMate Test

[App page](https://appshunter.io/ios/app/cmate-test/id1497785916)

This app prepares senior marine engineers for qualification exams and certifications. It offers a comprehensive database of test questions with detailed explanations, illustrations, and a search function. It supports offline access and personalized testing modes.

**Highlights:** Personalized test creation, Detailed explanations and illustrations, Quick search functionality, Offline database access, Covers various thematic sections, Supports management level certifications

**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 Старший Механик cMate Test free?

Старший Механик cMate Test costs $9.99, with no in-app purchases.

### Do Universal Zoom or Старший Механик cMate Test have ads?

Neither Universal Zoom nor Старший Механик cMate Test shows ads.

### Which is updated more often, Universal Zoom or Старший Механик cMate Test?

Universal Zoom ships an update every 4 months, and Старший Механик cMate Test every 17 months. Most recently, Universal Zoom was updated on November 11, 2026 and Старший Механик cMate Test on November 9, 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.*