Comparison

OrbitCalc vs Resonant Quantum Mechanics

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OrbitCalc

This tool helps space enthusiasts, engineers, and researchers precisely calculate satellite orbits. It allows users to determine orbital parameters from vector data or vice versa with accurate results. Save and manage your calculations, and customize measurement units for a personalized experience.

Highlights
  • Orbital calculations from parameters or vectors
  • Save and revisit previous calculations
  • History page for managing saved work
  • Customizable measurement units
Features
Read full description

OrbitCalc – Satellite Orbit Calculator OrbitCalc is a powerful and intuitive tool designed for space enthusiasts, engineers, and researchers to calculate satellite orbits with precision. Whether you need to determine orbital parameters from vectors or vice versa, OrbitCalc provides accurate results in just a few taps. Key Features: • Orbital Calculations – Compute satellite orbits based on orbital parameters or vector data effortlessly. • Save Your Calculations – Keep track of your work and revisit previous calculations anytime. • History Page – View and manage all your saved calculations in one place. • Customizable Measurement Units – Adjust unit preferences to suit your needs. Whether you're a student, researcher, or space professional, OrbitCalc is your go-to app for orbital mechanics calculations. Download OrbitCalc today and explore the universe with precision!

About

Resonant Quantum Mechanics

Explore quantum mechanics through interactive 3D visuals and guided lessons. This educational app uses geometry and quaternions to explain complex concepts like quantum states, hydrogen, and the periodic table. No login is required for this visual learning experience.

Highlights
  • Interactive 3D visuals
  • Guided lessons
  • Geometric approach to quantum mechanics
  • Explains quaternions and quantum states
  • Covers hydrogen and periodic table
  • No login required
Features
Read full description

Resonant Quantum Mechanics is an educational app that introduces quantum states, quaternions, projection, hydrogen, and the periodic table through guided lessons and interactive 3D visuals. The app is designed for learners who want a more geometric and visual way to think about quantum mechanics. Each lesson combines clear written explanations with Unity-powered interactive scenes that help show how quantum states can be understood through rotation, orientation, phase, and higher-dimensional geometry. Topics include: Why geometry matters in quantum mechanics An introduction to quaternions Quaternionic state representation Projection and measurement Hydrogen energy levels Element structure and spectral patterns No login is required. The app is built as a learning experience for students, independent researchers, and anyone curious about quantum geometry.

Screenshots

OrbitCalc4 screens
Resonant Quantum Mechanics3 screens

Verdict

The call

The clearest difference is in-app purchases: Resonant Quantum Mechanics at none against OrbitCalc's 1. On price, rating, ratings volume and ads 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

Both are free to download. OrbitCalc sells 1 one-off in-app purchase. Resonant Quantum Mechanics asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for OrbitCalc against 5.0 for Resonant Quantum Mechanics. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Scorecard1 real difference · 8 level
OrbitCalc versus Resonant Quantum Mechanics: the parameters behind the verdict, then further details
ParameterOrbitCalcResonant Quantum Mechanics
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequency—Weekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhoneiPhone, iPad — better
Requires iOS18.017.0 — better
Further details — not scored
Size11 MB144 MB
Age rating4+4+
DeveloperBian Dhoan KwikRQM Technologies LLC

Customer experience

OrbitCalc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Resonant Quantum Mechanics

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

OrbitCalc

One-time1
  • OrbitCalc Pro$0.99
None

Resonant Quantum Mechanics

No in-app purchases

Questions

Is OrbitCalc free?
OrbitCalc is free to download, with in-app purchases available.
Is Resonant Quantum Mechanics free?
Resonant Quantum Mechanics is free to download, with no in-app purchases.
Which has better reviews, OrbitCalc or Resonant Quantum Mechanics?
OrbitCalc and Resonant Quantum Mechanics are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do OrbitCalc or Resonant Quantum Mechanics have ads?
Neither OrbitCalc nor Resonant Quantum Mechanics shows ads.

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