Comparison

Pressures vs Pipe Working Pressure Calc

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

Head to head
About

Pressures

Easily convert pressure measurements between bar, atm, MPa, and psi. This tool offers automatic conversion as you type and allows you to share your results. Its intuitive design ensures a smooth and pleasant user experience.

Highlights
  • Automatic conversion for bar, atm, psi, MPa
  • Copy conversion results
  • Share conversions
  • Intuitive graphics
  • Ease of use
Features
Read full description

Pressures is the first App that connects 4 more frequently used units of pressure measurement: bar, atm, MPa and psi. An indispensable tool alwayes on hand. Just open the App and start typing the desired value to convert. It will be calculated automatically in all other units. And if you want to share your conversions, it is now possible. [ Features ] • Automatic conversion to the 4 units: bar, atm, psi and MPa • Copy the result to paste everywhere. • Share your conversions. • Intuitive graphics • Ease of use [ Design ] The graphics are perfected to the last detail to make using simple, fluid and pleasant. Optimized for Retina Display on the iPhone and iPad. [ Compatibility ] • Devices: all iPhone, iPad and iPod. • iOS : 9.0 or later. [ Supported languages ] • English, Italian, Spanish, French, German, Portuguese, Dutch, Russian, Chinese and Japanese. [ Support ] If you need help please contact us at info@lionsapp.com, or visit our website www.lionsapp.com If you enjoy the app, don’t forget to give us a review on the App Store.

About

Pipe Working Pressure Calc

Calculate fluid pressure, pipe wall thickness, outside diameter, safety factor, or material strength. This physics/math tool provides instant results with support for multiple units and high precision.

Highlights
  • Instant calculations
  • Copy results to other apps
  • Formulas included
  • Supports 16 decimal places
  • Supports various units
  • Works on iPhone and iPad
  • Ad-free and private
Features
Read full description

Pipe Burst Working Pressure Calculator is a physics/math tool designed to calculate fluid pressure, pipe wall thickness, pipe outside diameter, safety factor, or material strength. Features: - Instant calculations. - Results can be copied to other apps. - Formulas included for reference. - Supports up to 16 decimal places. - Supports various units for each input. - Works seamlessly on both iPhone and iPad. - Lightweight, compact app optimized for everyday use. - Ad-free and built with privacy in mind. To find the burst pressure of a pipe, Barlow's Formula is used, along with associated equations to determine the working pressure of a pipe with a known diameter. Barlow’s Formula establishes the relationship between internal pressure, allowable stress, nominal thickness, and diameter. Equation: P = (2*S*T)/(OD*SF) Where: P = Fluid Pressure (psi) T = Pipe Wall Thickness (in) OD = Pipe Outside Diameter (in) SF = Safety Factor (for general calculations, use 1.5 – 10; use 1 for bursting pressure) S = Material Strength (psi), minimum yield strength Thank you for your support! Visit nitrio.com for more apps for your iOS devices.

Screenshots

Pressures3 screens
Pipe Working Pressure Calc4 screens

Verdict

The call

The clearest difference is rating: Pressures at 5.0 against Pipe Working Pressure Calc's 4.0. Pressures also leads on update cadence (every 14 months vs every 28 months) and price ($0.99 vs $2.99). On ratings volume, ads, in-app purchases and monetization model 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

Pressures costs $0.99 and Pipe Working Pressure Calc $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Pressures holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

Pressures ships an update every 14 months, Pipe Working Pressure Calc every 28 months. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
Pressures versus Pipe Working Pressure Calc: the parameters behind the verdict, then further details
ParameterPressuresPipe Working Pressure Calc
Price$0.99 — better$2.99
Rating5.0 (2 ratings) — better4.0 (2 ratings)
Positive reviews75.0% of reviews—
Number of ratings22
Update frequencyEvery 14 months — betterEvery 28 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13
Further details — not scored
Size21 MB1 MB
Age rating4+4+
DeveloperLionsApp di Nallbati EltonNitrio

Customer experience

Pressures

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

Pipe Working Pressure Calc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Pressures

No in-app purchases

None

Pipe Working Pressure Calc

No in-app purchases

Questions

Is Pressures free?
Pressures costs $0.99, with no in-app purchases.
Is Pipe Working Pressure Calc free?
Pipe Working Pressure Calc costs $2.99, with no in-app purchases.
Which has better reviews, Pressures or Pipe Working Pressure Calc?
Pressures is rated higher. Pressures averages 5.0 out of 5 from 2 ratings, while Pipe Working Pressure Calc averages 4.0 from 2 ratings.
Do Pressures or Pipe Working Pressure Calc have ads?
Neither Pressures nor Pipe Working Pressure Calc shows ads.
Which is updated more often, Pressures or Pipe Working Pressure Calc?
Pressures ships an update every 14 months, and Pipe Working Pressure Calc every 28 months. Most recently, Pressures was updated on October 8, 2026 and Pipe Working Pressure Calc on October 1, 2026.

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