Pipe Tools vs ThreadKing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
ThreadKing
This app serves as a comprehensive reference and calculator for various thread types and dimensions. It provides detailed information on Metric and UN threads, including tap sizes and thread calculations for cutting and forming taps. Users can also find drill size charts and calculate RPM and feed rates for different materials.
- Metric and UN thread reference
- Drill/Tap size charts
- Pipe thread information
- Cutting tap calculator
- Forming tap calculator
- RPM and feed rate calculator
- Thread dimension details
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ThreadKing is the ultimate reference and calculator for threads. It contains all the information for Metric and UN Taps, Fine/Course Threads, Drill/Tap sizes, Pipe Tap sizes, and Thread Dimension. ThreadKing is also a handy calculator for finding the right drill size in Cutting Tap and Forming Tap based on Thread Percentage. Besides, it calculates RPM and feed rates in Cutting Tap for different materials FEATURES: - Drill/Tap Chart available in drill size standards: Fractional, Letter, Wire Gauge and Metric - Course and Fine Thread - Pipe Thread Chart - Cutting Tap Calculator based on Thread Percentage - Forming Tap Calculator based on Thread Percentage - Cut Tapping RPM and Feed Rate Calculator - Thread Dimension Information: Major Dia, Pitch Dia, Minor Dia, Pitch, Thread Height, Threads per Inch - Formular and Equations for Reference
Screenshots
Verdict
The clearest difference is rating: ThreadKing at 4.7 against Pipe Tools's 4.1. ThreadKing also leads on in-app purchases (none vs 1) and update cadence (every 6 days vs every 12 months). On price, ratings volume, ads 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
Both are free to download. Pipe Tools sells 1 one-off in-app purchase. ThreadKing asks for nothing beyond the download.
ThreadKing holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 19 and 12 respectively. Written reviews point the same way: 79% of Pipe Tools's written reviews are positive against 100% of ThreadKing's.
Pipe Tools ships an update every 12 months, ThreadKing every 6 days. The most recent releases landed on June 10, 2026 and September 22, 2026 respectively.
| Parameter | Pipe Tools | ThreadKing |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (19 ratings) | 4.7 (12 ratings) — better |
| Positive reviews | 78.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 19 — better | 12 |
| Update frequency | Every 12 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 8.1 |
| Further details — not scored | ||
| Size | 57 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Bri-Steel Manufacturing | Motionics LLC |
Customer experience
Pipe Tools
ThreadKing
In-app purchases
Pipe Tools
- Unlock Pro Tools$0.99
ThreadKing
No in-app purchases
