Comparison

Fluid Pressure Drop vs Pressure Vessel Thickness

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

Head to head
About

Fluid Pressure Drop

Calculate fluid transmission energy loss for industrial applications. Choose from common fluids, pipe schedules, and materials to determine pressure loss. Supports custom fluids and includes calculations for valves and fittings.

Highlights
  • Pressure loss computation
  • Custom fluid creation
  • Valve and fitting loss calculation
  • Multiple fluid options
  • Various pipe schedules and materials
  • Unit of measurement selection
Features
Read full description

This app computes energy loss involved in transmission of fluids for industrial applications. Users can pick from a list of fifteen most common fluids, pipe schedules and sizes with different material of construction to determine overall pressure loss. A judicious selection of pipe size is often a trade off between initial cost and subsequent energy cost involved in transmission of fluid from one point to another. Therefore, the app can be a helpful tool for practicing engineers and designers in analyzing different matrix. In addition, fluids that are not in the list, users can create a custom fluid with property data that can be saved and compute the pressure loss using the model provided in this app. Pressure loss is computed using Darcy’s equation, which gives a good estimate for both liquid and gases. For gases, the method is valid if the fluid velocity is within 40% of its sonic velocity. Also this app provides result of different flow parameters used in the computation of pressure loss. Section has been added for computation of pressure losses in valves and fittings. Users can choose any generic valve or fitting from the list provided in this app that are commonly used in industries. List of fluids: Air, Steam, Water, Nitrogen, Oxygen, Hydrogen, Helium, CO2, Methane, Ethane, Chlorine, Ammonia, Argon, Hydraulic oil, HFC (R410A), Custom (user's choice gas or liquid). Pipe Schedules: 10, 20, 30, 40, 60, 80, 100, 120, 140, 160. Users can pick applicable sizes under nominal diameter for which app provides the corresponding inside and outside diameter. Material of construction: Steel, SS, GI, CI, Concrete, Copper, Aluminum, PVC, Glass, Wood, FRP, Rubber. Based on the size, length and material of construction, the app gives the total weight of the pipe for trade-off analysis. Valves and Fittings: Globe valve, Gate valve, Ball valve, Butterfly valve, Angle valve, Check-valve, Check-angle, Check-lift. Elbow, Reducer, Diffuser, T-couple, Bend-U, Bend-45, Bend-90. Flow Parameters: Fluid velocity, Reynolds number and pipe friction coefficient are computed as a function of pipe size, fluid density and viscosity. App has its own algorithm to compute the coefficient of pipe friction based on roughness factor for the given material and Reynolds number under turbulent conditions. For laminar flow, it is a function of Reynolds number and irrespective of pipe roughness. For more accuracy users can edit the pipe roughness factor. For gases, additional data on sonic velocity is provided for a quick reference and validity. Unit of Measurement: Users can choose different unit of measurement for both flow as well as pressure drop under given unit standard (SI or USCS). This can be conveniently selected while choosing the fluid from the picker list as shown in the screen shots.

About

Pressure Vessel Thickness

Calculate the required design and nominal thickness for various pressure vessel components according to ASME Section VIII Div 1 codes. This tool assists designers in determining the necessary thickness for shell, hemispherical, torispherical, ellipsoidal, and conical heads under internal pressure.

Highlights
  • Calculate design thickness
  • Calculate nominal thickness
  • Shell thickness calculation
  • Head thickness calculation (Hemi, Tori, Ellipsoidal)
  • Cone thickness calculation
  • ASME Section VIII Div 1 compliance
Features
Read full description

This App build to Calculate Design Thickness and Nominal Thickness for Shell, Hemi Heads, Tori Heads, Ellipsoidal Heads and Conical of Pressure Vessels as per ASME Section VIII Div 1 Codes Pressure Vessel Thickness Calculator App is Design to calculate design and nominal thickness required to sustain give working conditions. This App Calculate Designed Thickness for Internal Pressure. This App Calculate Thickness of Following Components of pressure vessel: 1. Shell Thickness Calculator 2. Hemispherical head Thickness Calculator 3. Tori-Spherical head Thickness Calculator 4. 2:1 Ellipsoidal head Thickness Calculator 5. Cone thickness Calculator This App is useful for handy calculation of Pressure Vessel Parts,. This app is useful Designer work in the field of Process Equipment manufacturing.

Screenshots

Fluid Pressure Drop4 screens
Pressure Vessel Thickness4 screens

Verdict

The call

The clearest difference is update cadence: Fluid Pressure Drop at every 12 months against Pressure Vessel Thickness's every 56 months. Fluid Pressure Drop also leads on iOS requirement (14.3 vs 16.1). Pressure Vessel Thickness's advantage is price ($2.99 vs $4.99). On ads, in-app purchases, monetization model 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

Fluid Pressure Drop costs $4.99 and Pressure Vessel Thickness $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Fluid Pressure Drop ships an update every 12 months, Pressure Vessel Thickness every 56 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Fluid Pressure Drop versus Pressure Vessel Thickness: the parameters behind the verdict, then further details
ParameterFluid Pressure DropPressure Vessel Thickness
Price$4.99$2.99 — better
Rating5.0 (1 ratings) — better—
Positive reviews—0.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 12 months — betterEvery 56 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPad
Requires iOS14.3 — better16.1
Further details — not scored
Size1 MB1 MB
Age rating4++4
DeveloperKaup Shenoy AssociatesImran Pinjara

Customer experience

Fluid Pressure Drop

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

Pressure Vessel Thickness

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Fluid Pressure Drop

No in-app purchases

None

Pressure Vessel Thickness

No in-app purchases

Questions

Is Fluid Pressure Drop free?
Fluid Pressure Drop costs $4.99, with no in-app purchases.
Is Pressure Vessel Thickness free?
Pressure Vessel Thickness costs $2.99, with no in-app purchases.
Do Fluid Pressure Drop or Pressure Vessel Thickness have ads?
Neither Fluid Pressure Drop nor Pressure Vessel Thickness shows ads.
Which is updated more often, Fluid Pressure Drop or Pressure Vessel Thickness?
Fluid Pressure Drop ships an update every 12 months, and Pressure Vessel Thickness every 56 months. Most recently, Fluid Pressure Drop was updated on November 6, 2026 and Pressure Vessel Thickness on November 3, 2026.

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