Comparison

Bellows Design Software vs Pipe Pressure drop calculator

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

Head to head
About

Bellows Design Software

This application assists in designing metallic bellows type expansion joints according to EJMA Standards. It allows users to input various design parameters and movement inputs to ensure safe and reliable usage. The software performs comprehensive calculations and checks against EJMA conditions for different bellows configurations and materials.

Highlights
  • Design metallic bellows expansion joints
  • Input internal diameter, convolution height, ply thickness, pitch, and number of plies
  • Set design pressure, temperature, and movements
  • Check design parameters against EJMA Standards
  • Calculations for single and dual bellows
  • Includes vibration and bellows forming methods
  • Calculations for tie rods, lugs plate, and hinges
Read full description

Bellows Design Software is developed based on EJMA Standards 10th edition. Useful in designing Metallic Bellows type Expansion joints for safe and reliable usage. Select Internal Diameter of Bellows, Convolution Height, Ply thickness, Pitch and Number of Plies. Set Design Pressure and Temperature. Choose Bellows Materials,  Input Axial, Lateral and Angular Movements. Include Collar, Spool and Cycle Life and GO. App checks the design parameters with all set of Conditions to be met as per EJMA Standard. Calculations include Single, Dual Bellows with over a long list of Materials. Other Features : Includes Vibration, Bellows Forming Methods - ( in the creep range, above the creep range ) Calculations for Annealed Bellows. Set Factors - Weld Factor, Fatigue Safety Factor and Forming Method Factor Set Constants for Axial Vibration and Lateral Vibration. Separate Calculations for Tie Rods, Lugs Plate and Hinges are included. Terms of Use : https://sites.google.com/view/bellowsdesignsoftware Privacy Policy : https://sites.google.com/view/bellowsdesignsoftware

About

Pipe Pressure drop calculator

Features
Read full description

Easily calculate pipe pressure drop, friction loss, and liquid velocity using the Darcy–Weisbach equation. This app is designed for engineers, plumbers, HVAC designers, and fluid mechanics students who need fast and accurate results for fluid flow in pipes. Features : - Choose from 76 pipe materials (steel, copper, PVC, and more) - Select from 58 types of liquids (water, oil, chemicals, etc.) - Pipe diameters up to 84 inches (2100 mm) supported - Calculate pressure loss, velocity, and head loss in seconds - Useful for pipeline design, hydraulic systems, and industrial applications Whether you’re working on plumbing design, HVAC systems, industrial pipelines, or academic projects, this app gives you a reliable way to calculate fluid flow and optimize your designs. Download now and make pipe pressure loss calculations faster, easier, and more accurate. In-app purchase Details: Lifetime Access for ads free version Privacy Policy : https://applicationcontent.wordpress.com/privacy-policy/ Terms of use : https://applicationcontent.wordpress.com/terms-of-use/

Screenshots

Bellows Design Software4 screens
Pipe Pressure drop calculator4 screens

Verdict

The call

The clearest difference is update cadence: Bellows Design Software at monthly against Pipe Pressure drop calculator's every 3 months. Pipe Pressure drop calculator's advantage is iOS requirement (13.0 vs 16.0). On price, 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

Both are free to download. Bellows Design Software sells 2 in-app purchases, starting at $34.99 per month and Pipe Pressure drop calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Bellows Design Software ships an update monthly, Pipe Pressure drop calculator every 3 months. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 7 level
Bellows Design Software versus Pipe Pressure drop calculator: the parameters behind the verdict, then further details
ParameterBellows Design SoftwarePipe Pressure drop calculator
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size26 MB61 MB
Age rating4+4+
DeveloperV PUGAZHENTHIAshvin Kevadiya

In-app purchases

2 purchases

Bellows Design Software

Subscriptions2
  • All Access for Bellows3 Days trial$34.991 Month
  • All Access for Bellows Design14 Days trial$299.991 Year
1 purchases

Pipe Pressure drop calculator

One-time1
  • Lifetime Premium$7.99

Questions

Is Bellows Design Software free?
Bellows Design Software is free to download, with in-app purchases available.
Is Pipe Pressure drop calculator free?
Pipe Pressure drop calculator is free to download, with in-app purchases available.
Do Bellows Design Software or Pipe Pressure drop calculator have ads?
Neither Bellows Design Software nor Pipe Pressure drop calculator shows ads.
Which is updated more often, Bellows Design Software or Pipe Pressure drop calculator?
Bellows Design Software ships an update monthly, and Pipe Pressure drop calculator every 3 months. Most recently, Bellows Design Software was updated on October 2, 2026 and Pipe Pressure drop calculator on October 10, 2026.

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