Pipe Guide Calculator vs FlowLine Isometric
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pipe Guide Calculator
This utility app provides essential calculations for pipe fitting, eliminating the need for reference tables. Designed by a welder for welders, it aims to save time and streamline work processes.
- All necessary computations in one place
- Useful calculations for pipe fitting
- Eliminates the need for tables
- Saves time on the job
- Designed for welders
Read full descriptionHide full description
Pipe Guide Calculator is the perfect tool for those who want all necessary computations in one place. The app gives you the most useful calculation that you need for pipe fitting. Pipe Guide Calculator eliminates all the tables and the best of all: you save time in your work. Created by a welder for welders.
FlowLine Isometric
Read full descriptionHide 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
Verdict
The clearest difference is update cadence: FlowLine Isometric at every 6 weeks against Pipe Guide Calculator's every 12 months. Pipe Guide Calculator's advantage is iOS requirement (15.6 vs 26.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Pipe Guide Calculator ships an update every 12 months, FlowLine Isometric every 6 weeks. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.
| Parameter | Pipe Guide Calculator | FlowLine Isometric |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 12 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 19 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | IT Welding Sweden AB | Joshua Parkin |
In-app purchases
Pipe Guide Calculator
No in-app purchases
FlowLine Isometric
No in-app purchases
Questions
Is Pipe Guide Calculator free?
Is FlowLine Isometric free?
Do Pipe Guide Calculator or FlowLine Isometric have ads?
Which is updated more often, Pipe Guide Calculator or FlowLine Isometric?
Other comparisons















