Comparison

Graphs and Slopes vs Interactive Physics Simulator

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

Head to head
About

Graphs and Slopes

Features
Read full description

"Graphs and Slopes" explains the concept of linear equations in Math. This app also explains the non linear equation in a nutshell. This app categorizes the graph concept into bite size information. The core points like y-intercepts, slopes and graph plotting are explained with examples. Review questions at the end of the category, asks questions pertaining to these concepts and even has the option to provide hints and answers to reinforce your understanding. Touch the images to zoom-in and out.

About

Interactive Physics Simulator

Explore over 100 real-time physics simulations across 38 modules, covering classical, modern, quantum, and medical physics. Visualize complex phenomena with adjustable parameters, formulas, and immediate visual feedback. Ideal for students and educators seeking an interactive learning laboratory.

Highlights
  • 100+ interactive simulations
  • 38 physics modules
  • Real-time parameter control
  • Adjustable sliders with visual feedback
  • Formulas and numerical results displayed
  • Quiz mode for testing understanding
  • Support for 12 languages
Read full description

Physics Simulator transforms your iPad and iPhone into an interactive physics laboratory with 38 modules and over 100 real-time simulations. WHAT'S NEW IN VERSION 3.3 • New Animations: Radiation Therapy, Laser Physics, Biophysics (Ion Flow) • Enhanced visualizations: Relativity Time Dilation, Ultrasound Charts • Added support for 2 new languages: Russian and Portuguese (Total 12) • Performance optimization: ~15% faster rendering • 100+ interactive simulations in 38 physics modules COMPREHENSIVE PHYSICS COVERAGE Classical Physics: Explore mechanics with projectile motion, pendulums, and spring oscillators. Study thermodynamics, wave phenomena, and oscillations with interactive visualizations. Electromagnetism & Optics: Visualize electric fields, capacitors, and circuits. Experiment with lenses, telescopes, and diffraction patterns. Modern Physics: Discover the Bohr atomic model, quantum tunneling, and radioactive decay. View 3D hydrogen orbital animations and explore electron orbital shapes (s, p, d). Quantum Mechanics: Visualize electron orbitals in 3D with color-coded wave function phases. Choose between s, p, and d orbitals with all subtypes (px, py, pz, dz², dxz, dyz, dx²-y², dxy). Medical Physics: Professional-grade simulations for MRI (Bloch equations, T1/T2 relaxation, k-space), CT (Radon transform, filtered backprojection), ultrasound with Doppler imaging, Radiation Therapy (Dose Distribution), and nuclear medicine (SPECT, PET). Emerging Fields: Biophysics, Plasma Physics, Geophysics, Particle Physics, Laser Physics, Nanotechnology, Superconductivity, Cosmology, and Gravitational Waves. Advanced Topics: Relativity, chaos theory with Lorenz attractors, celestial mechanics with eclipse simulations, fluid dynamics, acoustics, and astrophysics including gravitational lensing. KEY FEATURES • 100+ interactive simulations with real-time parameter control • Adjustable sliders with immediate visual feedback • Formulas and numerical results displayed alongside animations • Quiz mode to test your understanding • Universal app optimized for iPhone and iPad • Support for 12 languages (English, German, French, Spanish, Italian, Chinese, Japanese, Korean, Hindi, Indonesian, Portuguese, Russian) PERFECT FOR • University physics courses • Medical physics education • High school physics classes • Self-study and exam preparation • Teaching demonstrations All simulations are designed for educational purposes and provide clear, scientifically accurate visualizations of physical phenomena.

Screenshots

Graphs and Slopes4 screens
Interactive Physics Simulator4 screens

Verdict

The call

The clearest difference is update cadence: Interactive Physics Simulator at weekly against Graphs and Slopes's every 11 months. Graphs and Slopes's advantage is price ($2.99 vs $4.99) and iOS requirement (14.0 vs 17.6). On 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

Graphs and Slopes costs $2.99 and Interactive Physics Simulator $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Graphs and Slopes ships an update every 11 months, Interactive Physics Simulator weekly. The most recent releases landed on September 2, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Graphs and Slopes versus Interactive Physics Simulator: the parameters behind the verdict, then further details
ParameterGraphs and SlopesInteractive Physics Simulator
Price$2.99 — better$4.99
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 11 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Vision Pro — better
Requires iOS14.0 — better17.6
Further details — not scored
Size3 MB9 MB
Age rating4+4+
DeveloperGomathy ShankaranDietmar Henrich

In-app purchases

None

Graphs and Slopes

No in-app purchases

None

Interactive Physics Simulator

No in-app purchases

Questions

Is Graphs and Slopes free?
Graphs and Slopes costs $2.99, with no in-app purchases.
Is Interactive Physics Simulator free?
Interactive Physics Simulator costs $4.99, with no in-app purchases.
Do Graphs and Slopes or Interactive Physics Simulator have ads?
Neither Graphs and Slopes nor Interactive Physics Simulator shows ads.
Which is updated more often, Graphs and Slopes or Interactive Physics Simulator?
Graphs and Slopes ships an update every 11 months, and Interactive Physics Simulator weekly. Most recently, Graphs and Slopes was updated on September 2, 2026 and Interactive Physics Simulator on September 20, 2026.

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