Comparison

Pipe Expansion Calculator vs Bellows Design Software

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

Head to head
About

Pipe Expansion Calculator

Calculate pipe expansion and contraction due to temperature changes. Supports common materials and both Imperial and Metric units. Easily share results via text or email for better pipe system design.

Highlights
  • Temperature-based expansion/contraction calculation
  • Supports common pipe materials
  • Imperial and Metric unit handling
  • Share results via text/email
Features
Read full description

Quickly calculate how your pipe will expand or contract based on the maximum change in temperature it will experience from when it is installed. A well designed piping system is configured to accommodate this dimension change. Pick from common pipe / tube materials. Handles both Imperial and Metric measures. Results can be transmitted by text or email.

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

Screenshots

Pipe Expansion Calculator3 screens
Bellows Design Software4 screens

Verdict

The call

The clearest difference is price: Bellows Design Software at Free against Pipe Expansion Calculator's $0.99. Bellows Design Software also leads on update cadence (monthly vs every 38 months). Pipe Expansion Calculator's advantage is in-app purchases (none vs 2). On rating, ratings volume, 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

Bellows Design Software is free to download; Pipe Expansion Calculator costs $0.99 up front. Bellows Design Software sells 2 in-app purchases, starting at $34.99 per month. Pipe Expansion Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Pipe Expansion Calculator against 5.0 for Bellows Design Software. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Pipe Expansion Calculator ships an update every 38 months, Bellows Design Software monthly. The most recent releases landed on June 5, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 5 level
Pipe Expansion Calculator versus Bellows Design Software: the parameters behind the verdict, then further details
ParameterPipe Expansion CalculatorBellows Design Software
Price$0.99Free — better
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 38 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.616.0 — better
Further details — not scored
Size0 MB26 MB
Age rating4+4+
DeveloperH3 Apps, LLCV PUGAZHENTHI

Customer experience

Pipe Expansion Calculator

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

Bellows Design Software

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

In-app purchases

None

Pipe Expansion Calculator

No 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

Questions

Is Pipe Expansion Calculator free?
Pipe Expansion Calculator costs $0.99, with no in-app purchases.
Is Bellows Design Software free?
Bellows Design Software is free to download, with in-app purchases available.
Which has better reviews, Pipe Expansion Calculator or Bellows Design Software?
Pipe Expansion Calculator and Bellows Design Software are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Pipe Expansion Calculator or Bellows Design Software have ads?
Neither Pipe Expansion Calculator nor Bellows Design Software shows ads.
Which is updated more often, Pipe Expansion Calculator or Bellows Design Software?
Pipe Expansion Calculator ships an update every 38 months, and Bellows Design Software monthly. Most recently, Pipe Expansion Calculator was updated on June 5, 2026 and Bellows Design Software on September 15, 2026.

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