Comparison

Piping Engineering Toolbox vs FlowLine Isometric

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

Head to head
About

Piping Engineering Toolbox

This app provides piping engineers with essential tools, dimensions, and standards for design and analysis. It includes calculators, checklists, software shortcuts, and educational resources to streamline work and enhance knowledge.

Highlights
  • Pipe wall thickness calculator
  • Branch reinforcement calculator
  • Piping checklists
  • Fitting dimensions
  • Software shortcuts (AutoCAD, MicroStation)
  • Piping standards references (ASME, ASTM)
  • Industry blog and quizzes
Features
Read full description

This app is designed to be the ultimate resource for piping engineers, combining essential tools, detailed dimensions, and comprehensive standards in one convenient platform. Whether you're calculating critical design parameters or referencing piping standards like ASME and ASTM, this app provides everything you need to streamline your work. The inclusion of various calculators—ranging from pipe wall thickness to branch reinforcement—ensures that you can quickly and accurately complete your design and analysis tasks with confidence. Beyond calculators and standards, the app offers valuable resources like piping checklists, detailed dimensions of various fittings, and essential software shortcuts for commonly used engineering tools such as AutoCAD and MicroStation. The Piping Blog keeps you updated with the latest industry insights, while the quizzes and video library offer opportunities to enhance your knowledge and stay ahead in the field. This app is an indispensable companion for any piping engineer, providing all the tools and information required to excel in the industry. Comprehensive Piping Engineering Tools and Resources in One App Piping Fittings Dimensions: - Steel Pipes - Socket Weld Fittings - Threaded Fittings - Buttweld Fittings - Flanges - Line Blanks - MSS Fittings - Valves Piping Checklists: - Plot Plan Design - Plot Plan Drafting - Equipment Layout Design - Equipment Layout Drafting - MTO General Checklist - MTO - Tie-ins - MTO - 3D Model Extraction - Piping Isometric Drawing Piping Standards Lists: - ASME B31 Codes - ASME Dimensional Standards - MSS Dimensional Standards - ASTM Materials for Pipes - ASTM Materials for Fittings - OISD Standards - API Standards for Equipment - NFPA Standards Software Shortcuts: - AutoCAD - Microstation - PDMS - Excel - Word Piping Quizzes: - Dimensional Standards - Materials of Construction In conclusion, this app is more than just a toolkit—it's a comprehensive solution tailored to meet the demands of modern piping engineering. With its user-friendly interface, extensive resources, and continuous updates, it empowers engineers to perform at their best, whether they're in the office, on-site, or anywhere in between. By centralizing critical tools, standards, and educational content, this app ensures that you have everything you need at your fingertips, making it an invaluable asset for both seasoned professionals and those new to the field. In app purchase included : Weekly for 1.99$ Monthly for 3.99$ Yearly for 5.99$ Life time for 19.99$ Privacy policy : https://privacypolicy50.wordpress.com/privacy-policy-subscription/ Terms and condition :https://privacypolicy50.wordpress.com/terms-and-condition/

About

FlowLine Isometric

Features
Read full description

Flowline is a professional isometric piping diagram tool built for pipefitters, plumbers, mechanical engineers, and contractors who need to sketch and document pipe runs quickly on site or in the office. Draw in true isometric projection with a snap grid that keeps every line on axis. Flowline handles the geometry so you can focus on the layout.

Screenshots

Piping Engineering Toolbox4 screens
FlowLine Isometric4 screens

Verdict

The call

The clearest difference is in-app purchases: FlowLine Isometric at none against Piping Engineering Toolbox's 4. FlowLine Isometric also leads on update cadence (every 6 weeks vs every 3 months). Piping Engineering Toolbox's advantage is iOS requirement (12.0 vs 26.0). On price, 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

Both are free to download. Piping Engineering Toolbox sells 4 in-app purchases, starting at $1.99 per 7 days. FlowLine Isometric asks for nothing beyond the download.

UpkeepUpdate frequency

Piping Engineering Toolbox ships an update every 3 months, FlowLine Isometric every 6 weeks. The most recent releases landed on August 26, 2026 and September 11, 2026 respectively.

Scorecard3 real differences · 7 level
Piping Engineering Toolbox versus FlowLine Isometric: the parameters behind the verdict, then further details
ParameterPiping Engineering ToolboxFlowLine Isometric
PriceFreeFree
Rating3.7 (9 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better26.0
Further details — not scored
Size61 MB23 MB
Age rating4+4+
DeveloperShital GorasiyaJoshua Parkin

In-app purchases

4 purchases

Piping Engineering Toolbox

Subscriptions3
  • Weekly Premium$1.997 Days
  • Monthly Premium$3.991 Month
  • Yearly Premium$7.991 Year
One-time1
  • Lifetime Premium$12.99
None

FlowLine Isometric

No in-app purchases

Questions

Is Piping Engineering Toolbox free?
Piping Engineering Toolbox is free to download, with in-app purchases available.
Is FlowLine Isometric free?
FlowLine Isometric is free to download, with no in-app purchases.
Do Piping Engineering Toolbox or FlowLine Isometric have ads?
Neither Piping Engineering Toolbox nor FlowLine Isometric shows ads.
Which is updated more often, Piping Engineering Toolbox or FlowLine Isometric?
Piping Engineering Toolbox ships an update every 3 months, and FlowLine Isometric every 6 weeks. Most recently, Piping Engineering Toolbox was updated on August 26, 2026 and FlowLine Isometric on September 11, 2026.

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