Comparison

Moleculator vs Fluid Mechanics Calculator

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

Head to head
About

Moleculator

Easily calculate the molecular weight of any compound by entering its chemical formula. This app offers a streamlined interface for quick and accurate results.

Highlights
  • Molar mass calculation
  • Molecular formula input
  • Sleek interface
  • Accurate results
  • iPhone and iPad support
Features
Read full description

Moleculator is the premier molar mass calculator for iPhone and iPod touch, and has an extremely sleek interface. This app makes it easy to figure out the molecular weight of any molecule by typing in the molecular formula.

About

Fluid Mechanics Calculator

Features
Read full description

Fluid Mechanics Calculator is an easy to use App that Contains 90 Calculators Fluid Mechanics Calculator includes the following Calculators: - Dry Bulk Density of Soil - Specific Gravity with Water Weight - Broad Crested Weir Flow Rate - Rectangular Weir Flow Rate - Specific Gravity of Water - Bernoulli Equation with Head Loss - Flow Rate - Darcy Weisbach - Head Loss - Fluid Pressure - Absolute Pressure - Bulk Modulus - Compressibility - Fluid Density with Pressure - Mean Fluid Velocity - Hazen Williams - Fluid Flow Rate - Hazen Williams - Manning Flow Velocity - Minor Losses - Water Horsepower - Pump Efficiency - Net Positive Suction Head and Cavitation - Stokes Law - Venturi Meter Flow Rate - Pressure Rating - Aluminum Pipe - Pressure - Buried Corrugated Metal Pipe Thrust - Pipe Wall - Buried Corrugated Metal Pipe Thrust - Cross Sectional Area - Buried Corrugated Metal Pipe Thrust - Chezy Flow Velocity - Chezy Coefficient - Darcys Law - Flow Rate, Hydraulic Conductivity, Gradient, Flow Cross Sectional Area - Darcy's Law - Hydraulic Gradient, Pressure Head, Column Length - Darcy's Law - Seepage Velocity, Darcy Flux, Flow and Voids Cross Sectional Area - Darcy's Law - Flux, Hydraulic Conductivity and Gradient - Darcy's Law - Seepage Velocity, Darcy Flux, Porosity - Darcy's Law - Void Ratio, Voids and Solids Volume - Darcy's Law - Porosity, Voids and Total Volume - Darcy's Law - Saturated Soil, Voids, Solids and Total Volume - Wall Thickness - Ductile Iron Pipe - Ductile Iron Pipe - Internal, Working, Maximum Surge Pressure - French Drain Seepage Rate, Permeability, Flow Line Slope - Hydraulic Radius - Orifice Flow Rate - Parshall Flume Flow Rate - Permeameter Porous Medium Flow Rate - External Hydrostatic Pressure - Pipe Soil Weight Pressure - Pipe Water Buoyancy Factor - Soil Load Per Linear Length Pipe - Pipe Vacuum Pressure Load - Plastic Pipe - Outside Diameter Controlled - Plastic Pipe - Inside Diameter Controlled - Plastic Pipe - AWWA C900 Pressure Class - Plastic Pipe - Short Term Pressure Rating - Plastic Pipe - Outside Diameter Controlled Short Term Strength - Smooth Wall Steel Pipe - Pressure Rating, Stress, Thickness - Specific Gas Constant, Molecular Weight - Specific Volume, Density - Area of Thrust Block, Thrust Force, Soil Bearing Pressure - Unconfined Aquifer Well Design - Flow Rate - Unrestrained Pipe Length Change - Restrained Anchored Pipe Stress - Water Hammer - Maximum Surge Pressure Head - Water Hammer - Maximum Surge Pressure of Fluid - Water Hammer - Maximum Surge Pressure of Water - Water Hammer - Pressure Increase, Flow Velocity, Pipe Length - Acoustic Flowmeter - Curb Gutter Flow Rate - Curb Capture Flow Rate - Gutter Interception Capacity - Slotted Pipe Gutter Interception - Gutter Capture Efficiency - Gutter Carryover - Reynolds Number - Cauchy Number - Cavitation Number - Eckert Number - Euler Number - Froude Number - Knudsen Number - Lewis Number - Mach Number - Nusselt Number - Peclet Number - Prandtl Number - Schmidt Number - Sherwood Number - Threshold Odor, Water Odor Causes, Odor Free Water - Weber Number - Density, Velocity, Surface Tension - Fourier Number, Thermal Diffusivity, Characteristic Time, Length - Static Failure Analysis of Brittle Material - Strouhal Number - Fluid Flow Dynamics It Also Includes: - Formula for Each Calculator - Description for Each Calculator - Copy Button - Clear Button

Screenshots

Moleculator3 screens
Fluid Mechanics Calculator4 screens

Verdict

The call

The clearest difference is price: Moleculator at Free against Fluid Mechanics Calculator's $0.99. Moleculator also leads on update cadence (monthly vs every 35 months) and iOS requirement (15.0 vs 17.0). 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

Moleculator is free to download; Fluid Mechanics Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Moleculator ships an update monthly, Fluid Mechanics Calculator every 35 months. The most recent releases landed on October 22, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 7 level
Moleculator versus Fluid Mechanics Calculator: the parameters behind the verdict, then further details
ParameterMoleculatorFluid Mechanics Calculator
PriceFree — better$0.99
Rating4.0 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyMonthly — betterEvery 35 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size1 MB8 MB
Age rating4+4+
DeveloperEmil Mikkelsenloay setrak

In-app purchases

None

Moleculator

No in-app purchases

None

Fluid Mechanics Calculator

No in-app purchases

Questions

Is Moleculator free?
Moleculator is free to download, with no in-app purchases.
Is Fluid Mechanics Calculator free?
Fluid Mechanics Calculator costs $0.99, with no in-app purchases.
Do Moleculator or Fluid Mechanics Calculator have ads?
Neither Moleculator nor Fluid Mechanics Calculator shows ads.
Which is updated more often, Moleculator or Fluid Mechanics Calculator?
Moleculator ships an update monthly, and Fluid Mechanics Calculator every 35 months. Most recently, Moleculator was updated on October 22, 2026 and Fluid Mechanics Calculator on October 13, 2026.

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