Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

Tuning Fork Study

Features
Read full description

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

Universe Size Comparison4 screens
Tuning Fork Study4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Universe Size Comparison versus Tuning Fork Study: the parameters behind the verdict, then further details
ParameterUniverse Size ComparisonTuning Fork Study
Price$1.99$1.99
Rating3.2 (30 ratings) — better—
Positive reviews70.0% of reviews—
Number of ratings30 — better—
Update frequencyEvery 3 months — betterEvery 37 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, Apple TViPhone, iPad, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size411 MB224 MB
Age rating+44+
DeveloperDaniele CitiVIRTUAL FILAMENTS PRIVATE LIMITED

In-app purchases

None

Universe Size Comparison

No in-app purchases

None

Tuning Fork Study

No in-app purchases

Questions

Is Universe Size Comparison free?
Universe Size Comparison costs $1.99, with no in-app purchases.
Is Tuning Fork Study free?
Tuning Fork Study costs $1.99, with no in-app purchases.
Do Universe Size Comparison or Tuning Fork Study have ads?
Neither Universe Size Comparison nor Tuning Fork Study shows ads.
Which is updated more often, Universe Size Comparison or Tuning Fork Study?
Universe Size Comparison ships an update every 3 months, and Tuning Fork Study every 37 months. Most recently, Universe Size Comparison was updated on November 3, 2026 and Tuning Fork Study on October 27, 2026.

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