Comparison

Pipe Working Pressure Calc vs Pioneer Trigger

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

Head to head
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.

About

Pioneer Trigger

Features
Read full description

A full range of security methods and tools for detecting presence, as well as determining both physical and energy impact. The application is able to identify the presence of both unauthorized persons and, in principle, various influences through the following channels: - sound (tracking sounds, their identification) - mechanical (registration of vibration effects and movement in space, up to micro effects) - energy (registration of anomalous changes in the electromagnetic background as well as the approach of metal-containing objects) The widest application areas allow you to effectively solve problems in various areas of life, from monitoring the calmness of children's sleep, tracking animal behavior and ending with security and military applications.

Screenshots

Pipe Working Pressure Calc4 screens
Pioneer Trigger4 screens

Verdict

The call

The clearest difference is price: Pioneer Trigger at Free against Pipe Working Pressure Calc's $2.99. Pioneer Trigger also leads on update cadence (fortnightly vs every 28 months). Pipe Working Pressure Calc's advantage is in-app purchases (none vs 1) and iOS requirement (13 vs 15.0). On 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

Pioneer Trigger is free to download; Pipe Working Pressure Calc costs $2.99 up front. Pioneer Trigger sells 1 one-off in-app purchase. Pipe Working Pressure Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Pipe Working Pressure Calc ships an update every 28 months, Pioneer Trigger fortnightly. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

Scorecard4 real differences · 5 level
Pipe Working Pressure Calc versus Pioneer Trigger: the parameters behind the verdict, then further details
ParameterPipe Working Pressure CalcPioneer Trigger
Price$2.99Free — better
Rating4.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 28 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13 — better15.0
Further details — not scored
Size1 MB6 MB
Age rating4+4+
DeveloperNitrioILTERRA

In-app purchases

None

Pipe Working Pressure Calc

No in-app purchases

1 purchases

Pioneer Trigger

One-time1
  • Access for all features$4.99

Questions

Is Pipe Working Pressure Calc free?
Pipe Working Pressure Calc costs $2.99, with no in-app purchases.
Is Pioneer Trigger free?
Pioneer Trigger is free to download, with in-app purchases available.
Do Pipe Working Pressure Calc or Pioneer Trigger have ads?
Neither Pipe Working Pressure Calc nor Pioneer Trigger shows ads.
Which is updated more often, Pipe Working Pressure Calc or Pioneer Trigger?
Pipe Working Pressure Calc ships an update every 28 months, and Pioneer Trigger fortnightly. Most recently, Pipe Working Pressure Calc was updated on November 2, 2026 and Pioneer Trigger on November 12, 2026.

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