Universe Size Comparison vs Tuning Fork Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Universe Size Comparison
Explore the vastness of space and understand celestial body dimensions through interactive 3D comparisons. Discover the scale of planets and stars, from our Sun to hypergiant stars, with guided tours and free comparison modes.
- 3D astronomical comparisons
- Tour Mode with guided explanations
- Free Mode for custom comparisons
- Scale comparisons of planets and stars
- Detailed celestial body information
- Elegant user interface
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Universe Size Comparison is a unique 3D astronomical app that will make you understand the real dimensions of the universe and how small we are. Have you ever wondered how big the Sun is compared to Earth? Or what is the largest planet between Mars and Earth? Do you want to find out the dimensions of some of the most famous stars in the sky like Rigel and Betelgeuse in comparison to our Sun? Do you want to compare everything with the hypergiant star VY Canis Majoris? Universe Size Comparison is the right app for you. The app offers two modes: Tour Mode and Free Mode. Tour mode will guide you on a spectacular journey where you will see planets and stars compared in full scale. All accompanied by simple and clear explanations regardless of the level of knowledge of the subject. The Free mode will allow you to compare two celestial bodies of your choice in scale. You will also find out more information on the bodies you are comparing thanks to an elegant user interface designed to offer the maximum user experience.
Tuning Fork Study
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Tuning Fork Effects EduTech is an interactive learning app designed to help students understand the effects of a vibrating tuning fork. Through clear explanations, engaging visuals, and activity-based demonstrations, the app makes learning about sound vibrations simple and fun. Students can explore how a tuning fork produces sound, how vibrations propagate through different mediums, and how sound waves interact with the environment. The app features 3D interactive models that can be zoomed, rotated, and explored offline, making physics concepts easier to visualize and understand. Ideal for school-level physics, the app helps learners grasp the fundamentals of sound, vibration, and wave propagation with an interactive and hands-on approach. Features: - Interactive 3D tuning fork models with zoom & rotate - Learn how vibrations produce sound - Understand wave propagation and effects - Clear, student-friendly explanations - Works completely offline - no internet needed - Activity-based visuals for deeper understanding - Perfect for school physics and sound experiments Explore the fascinating world of vibrations and sound with Tuning Fork Effects EduTech, your interactive guide to learning physics effectively.
Screenshots
Verdict
The clearest difference is update cadence: Universe Size Comparison at every 3 months against Tuning Fork Study's every 37 months. Tuning Fork Study's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Universe Size Comparison costs $1.99 and Tuning Fork Study $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Universe Size Comparison ships an update every 3 months, Tuning Fork Study every 37 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.
| Parameter | Universe Size Comparison | Tuning Fork Study |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 3.2 (30 ratings) — better | — |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 30 — better | — |
| Update frequency | Every 3 months — better | Every 37 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 411 MB | 224 MB |
| Age rating | +4 | 4+ |
| Developer | Daniele Citi | VIRTUAL FILAMENTS PRIVATE LIMITED |
In-app purchases
Universe Size Comparison
No in-app purchases
Tuning Fork Study
No in-app purchases
Questions
Is Universe Size Comparison free?
Is Tuning Fork Study free?
Do Universe Size Comparison or Tuning Fork Study have ads?
Which is updated more often, Universe Size Comparison or Tuning Fork Study?
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