Comparison

Physics Formulas vs Fluid Mechanics Practice

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

Head to head
About

Physics Formulas

Features
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PhysRef is the complete physics formula reference designed for students, engineers, and science enthusiasts. Access hundreds of formulas, physical constants, and built-in calculators - all without internet connection. COMPREHENSIVE FORMULA DATABASE Browse formulas organized by topic: Mechanics, Thermodynamics, Waves, Electricity and Magnetism, Optics, and Modern Physics. Each formula includes variable definitions, units, and related concepts. BUILT-IN CALCULATORS Stop doing manual calculations. Enter your known values and instantly compute the unknown variable. Every calculator validates inputs and displays results with appropriate units. PHYSICAL CONSTANTS TABLE Quick access to fundamental constants including speed of light, gravitational constant, Planck's constant, electron mass, Boltzmann constant, and dozens more. All values use standard reference data. UNIT CONVERTER Convert between units across 14 categories: length, mass, time, velocity, acceleration, force, energy, power, pressure, temperature, electric charge, electric current, angle, and frequency. PERSONAL NOTES Add your own notes to any formula. Perfect for exam prep, recording problem-solving strategies, or marking formulas you find tricky. FORMULA DERIVATIONS Understand where formulas come from. See step-by-step derivations that connect fundamental principles to the equations you use. WORKS COMPLETELY OFFLINE All content is bundled in the app. Study on airplanes, in basements, or anywhere without signal. No account required. No internet needed. DESIGNED FOR STUDENTS Covers content from AP Physics 1, AP Physics 2, AP Physics C, IB Physics, and introductory university physics courses. Whether you are preparing for an exam or solving homework problems, PhysRef has you covered. PRIVACY FIRST Your data stays on your device. We do not collect personal information. No tracking. No analytics. No ads. FEATURES SUMMARY - Formula browser organized by physics topic - Search by formula name, variable, or concept - Calculators for solving problems - Physical constants with precise values - Unit converter with 14 categories - Personal notes on any formula - Formula derivations and explanations - Related formulas and connections - Bookmarks for quick access - Search history - Dark and light themes - 100% offline functionality Built for physics students who want a reliable, ad-free reference that works anywhere. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Fluid Mechanics Practice

Features
Read full description

Fluid Mechanics Practice is an educational application designed to help students understand and practice fundamental concepts related to fluid behavior at rest and in motion. The app focuses on practice-based learning through chapter-wise quizzes, mock tests, and daily quizzes aligned with standard Fluid Mechanics curricula. Users can practice questions from individual chapters, attempt mock tests for overall assessment, and monitor their performance using statistics. The app supports self-study, classroom learning, and exam preparation for engineering students. Topics Included 1. Basic Properties of Fluids Fluid mechanics fundamentals, density, specific weight, specific gravity, viscosity, and surface tension. 2. Fluid Statics Fluid pressure, pressure variation with depth, Pascal’s law, hydrostatic force, center of pressure, and manometers. 3. Fluid Kinematics Flow description, types of flow, streamlines, pathlines, streaklines, and velocity field. 4. Fluid Dynamics Newton’s law of viscosity, continuity equation, Bernoulli’s equation, momentum equation, energy losses, and applications. 5. Dimensional Analysis and Similitude Dimensions, dimensional homogeneity, Buckingham Pi theorem, Reynolds number, Froude number, and model analysis. 6. Flow Through Pipes Laminar and turbulent flow, Reynolds experiment, Darcy–Weisbach equation, minor losses, and pipe networks. 7. Boundary Layer Theory Boundary layer concepts, thickness, laminar and turbulent boundary layers, separation, and drag force. 8. Flow Measurement Venturimeter, orifice meter, pitot tube, weirs, notches, and discharge coefficient. 9. Open Channel Flow Open channel flow, flow classifications, specific energy, hydraulic jump, Chezy formula, and Manning’s equation. 10. Fluid Machinery Fluid machines, turbines, pumps, efficiency, specific speed, and engineering applications. Key Features Chapter-wise practice quizzes Mock tests for comprehensive assessment Daily quiz for regular practice Performance statistics to track progress Content aligned with Fluid Mechanics syllabus Simple and distraction-free interface Fluid Mechanics Practice is suitable for undergraduate engineering students preparing for examinations and strengthening conceptual understanding through consistent practice.

Screenshots

Physics Formulas4 screens
Fluid Mechanics Practice4 screens

Verdict

The call

The clearest difference is price: Physics Formulas at Free against Fluid Mechanics Practice's $0.49. Fluid Mechanics Practice's advantage is in-app purchases (none vs 2) and update cadence (every 6 days vs every 2 months). On ads 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

Physics Formulas is free to download; Fluid Mechanics Practice costs $0.49 up front. Physics Formulas sells 2 in-app purchases, starting at $3.99 per 7 days. Fluid Mechanics Practice asks for nothing beyond the download.

UpkeepUpdate frequency

Physics Formulas ships an update every 2 months, Fluid Mechanics Practice every 6 days. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

Scorecard4 real differences · 2 level
Physics Formulas versus Fluid Mechanics Practice: the parameters behind the verdict, then further details
ParameterPhysics FormulasFluid Mechanics Practice
PriceFree — better$0.49
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size38 MB24 MB
Age rating4+17+
DeveloperMobin AkhterManish Kumar

In-app purchases

2 purchases

Physics Formulas

Subscriptions1
  • Weekly Access$3.997 Days
One-time1
  • Lifetime Access$49.99
None

Fluid Mechanics Practice

No in-app purchases

Questions

Is Physics Formulas free?
Physics Formulas is free to download, with in-app purchases available.
Is Fluid Mechanics Practice free?
Fluid Mechanics Practice costs $0.49, with no in-app purchases.
Do Physics Formulas or Fluid Mechanics Practice have ads?
Neither Physics Formulas nor Fluid Mechanics Practice shows ads.
Which is updated more often, Physics Formulas or Fluid Mechanics Practice?
Physics Formulas ships an update every 2 months, and Fluid Mechanics Practice every 6 days. Most recently, Physics Formulas was updated on November 9, 2026 and Fluid Mechanics Practice on November 13, 2026.

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