# Universal Zoom vs Tuning Fork Study

The clearest difference is update cadence: Universal Zoom at every 4 months against Tuning Fork Study's every 37 months. Tuning Fork Study's advantage is price ($1.99 vs $5.99) and iOS requirement (12.0 vs 15.5). On ads, in-app purchases and device support there is nothing between them.

Universal Zoom costs $5.99 and Tuning Fork Study $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, Tuning Fork Study every 37 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Universal Zoom | Tuning Fork Study |
| --- | --- | --- |
| Price | $5.99 | **$1.99** |
| Rating | **[4.8 (363 ratings)](https://appshunter.io/ios/app/universal-zoom-science-guide/id807673066/reviews)** | — |
| Number of ratings | **363** | — |
| Positive reviews | 96.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 37 months |
| Monetization | Paid | — |
| Size | 175 MB | 224 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GamifyIt](https://appshunter.io/developer/807673069) | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) |

## 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


### Tuning Fork Study

[App page](https://appshunter.io/ios/app/tuning-fork-study-edutech-era/id6444695848)

**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 Tuning Fork Study free?

Tuning Fork Study costs $1.99, with no in-app purchases.

### Do Universal Zoom or Tuning Fork Study have ads?

Neither Universal Zoom nor Tuning Fork Study shows ads.

### Which is updated more often, Universal Zoom or Tuning Fork Study?

Universal Zoom ships an update every 4 months, and Tuning Fork Study every 37 months. Most recently, Universal Zoom was updated on October 24, 2026 and Tuning Fork Study on October 10, 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.*