Comparison

Pipe Tools vs PJFFfree

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

Head to head
About

Pipe Tools

This app provides a comprehensive steel pipe handbook with charts for wall thickness, mass, and pressure calculations. It facilitates quick conversions and cost comparisons, allowing users to prepare and send customized PDF quotes for pipe sales.

Highlights
  • Steel pipe charts (wall thickness, mass)
  • Unit conversions (feet, meters, pounds, kg)
  • Pipe cost comparison
  • Customizable PDF quote generation
  • Mechanical and hardness conversions
  • Pressure and wall thickness calculations
Features
Read full description

Steel Pipe Handbook that fits in your pocket! Great tool for pipe purchasers & sales, pipe manufacturers, pipe yard inspectors, fabricators, oilfield workers, NDE techs, truck operators, designers, heat treaters, and engineers. Steel pipe charts for wall thickness (inch & mm) and pipe mass (lb/ft and kg/m) from ASME B36.10M, and casing and tubing charts from API 5CT. Quick conversion between feet, metres, pounds, kilograms, CWT, net tons, metric tonnes for any pipe size. Compare pipe costs $/ft, $/m, $/lb, $/kg, $/CWT, $/net ton, $/metric tonne for your pipe size. Prepare quotes for pipe sales and send customized pdf to your customers - all from within the app! Info from various pipe specs (ASTM, CSA, API, NACE) Mechanical conversions (for strength & toughness). Calculator for Carbon Equivalents. Hardness conversions (scales include HRBW, HRC, HV, HBW, UTS) Calculate the weight of a truckload of steel pipe. Check typical AISI alloy content. Calculate the weight & buoyancy of pipe including its coatings and contents. Calculate ASME B31.3 maximum pressures and minimum wall thicknesses. www.bri-steel.com sales@bri-steel.com 2020 Bri-Steel Manufacturing, All Rights Reserved

About

PJFFfree

This app serves as a manual for piping parts, focusing on Japanese specifications. It lists commonly used items based on manufacturer data and public dimension tables, with all measurements in millimeters.

Highlights
  • Piping parts manual
  • Japanese specifications
  • Commonly used parts listing
  • Manufacturer data integration
  • Millimeter measurements
  • JIS standards compliance
Features
Read full description

It is a manual of piping parts. Only Japanese specification. We are listed at the discretion of the things that seems to be in common use based on manufacturer's data and the dimension tables of dealers that are open to the public. Length units are in millimeters unless otherwise specified in decimal notation JIS standards compliance

Screenshots

Pipe Tools4 screens
PJFFfree4 screens

Verdict

The call

The clearest difference is rating: PJFFfree at 5.0 against Pipe Tools's 4.1. PJFFfree also leads on in-app purchases (none vs 1) and update cadence (every 5 weeks vs every 12 months). Pipe Tools's advantage is ads (none vs shown) and ratings volume (19 vs 1). On price 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. Pipe Tools sells 1 one-off in-app purchase. PJFFfree asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PJFFfree holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Pipe Tools has 19 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 79% of Pipe Tools's written reviews are positive against 100% of PJFFfree's.

UpkeepUpdate frequency

Pipe Tools ships an update every 12 months, PJFFfree every 5 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

Scorecard8 real differences · 2 level
Pipe Tools versus PJFFfree: the parameters behind the verdict, then further details
ParameterPipe ToolsPJFFfree
PriceFreeFree
Rating4.1 (19 ratings)5.0 (1 ratings) — better
Positive reviews78.6% of reviews100.0% of reviews — better
Number of ratings19 — better1
Update frequencyEvery 12 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size57 MB7 MB
Age rating4+4+
DeveloperBri-Steel Manufacturingsigeyosi kanenishi

Customer experience

Pipe Tools

All ratings19 ratings
Positive84.2%
Neutral5.3%
Negative10.5%
Written reviews14 reviews
Positive78.6%
Neutral7.1%
Negative14.3%

PJFFfree

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Pipe Tools

One-time1
  • Unlock Pro Tools$0.99
None

PJFFfree

No in-app purchases

Questions

Is Pipe Tools free?
Pipe Tools is free to download, with in-app purchases available.
Is PJFFfree free?
PJFFfree is free to download, with no in-app purchases.
Which has better reviews, Pipe Tools or PJFFfree?
PJFFfree is rated higher. Pipe Tools averages 4.1 out of 5 from 19 ratings, while PJFFfree averages 5.0 from 1 ratings.
Do Pipe Tools or PJFFfree have ads?
PJFFfree shows ads; Pipe Tools does not.
Which is updated more often, Pipe Tools or PJFFfree?
Pipe Tools ships an update every 12 months, and PJFFfree every 5 weeks. Most recently, Pipe Tools was updated on September 21, 2026 and PJFFfree on September 22, 2026.

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