Comparison

PipeFit Pro 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

PipeFit Pro

This utility app simplifies complex pipe calculations for professionals like pipefitters and plumbers. It offers instant offset calculations, a custom fraction keypad for imperial units, and mitered bend calculations, all usable offline and with gloves.

Highlights
  • Instant offset calculations
  • Custom fraction keypad
  • Mitered bend calculator
  • Glove-friendly interface
  • Dark mode
  • 100% offline capability
Features
Read full description

The ultimate tool for pipefitters, welders, plumbers, and HVAC professionals. PipeFit Pro is engineered to eliminate guesswork, save time, and prevent expensive mistakes on the job site. Stop struggling with complex trigonometry and fractional math in your head. Whether you are calculating a rolling offset, a mitered bend, or trying to add fractions with thick gloves on, PipeFit Pro handles the dirty work in seconds. CORE FEATURES BUILT FOR THE FIELD: INSTANT OFFSET CALCULATOR Calculate Travel, Run, and Set for any angle instantly. Includes Rolling Offsets, Simple Offsets, and Cutbacks. CUSTOM FRACTION KEYPAD We know you work in Imperial units. Our custom-built keypad features dedicated buttons for fractions (1/2, 3/4, 5/8, etc.), allowing you to input measurements and perform fractional math blazingly fast. No more converting to decimals. MITERED BEND CALCULATOR Just input your pipe diameter, bend radius, and number of welds. Get precise cut measurements instantly. GLOVE-FRIENDLY AND DARK MODE Designed with high-contrast UI and oversized buttons so you can use it perfectly even while wearing heavy work gloves in bright outdoor environments or dark trenches. 100 PERCENT OFFLINE CAPABILITY No internet on the site? No problem. PipeFit Pro works entirely offline. Work smarter, not harder. Upgrade your toolbox with PipeFit Pro today and make every cut perfect.

About

FlowLine Isometric

A professional tool for creating isometric piping diagrams. It allows pipefitters, plumbers, engineers, and contractors to quickly sketch and document pipe runs with a snap grid for precise isometric projection.

Highlights
  • Isometric projection drawing
  • Snap grid for precise lines
  • Quick sketching and documentation
  • On-site or office use
  • Focus on layout
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

PipeFit Pro4 screens
FlowLine Isometric4 screens

Verdict

The call

The clearest difference is rating: PipeFit Pro at 4.7 against FlowLine Isometric's 4.0. PipeFit Pro also leads on update cadence (weekly vs every 6 weeks) and iOS requirement (15.0 vs 26.0). FlowLine Isometric's advantage is in-app purchases (none vs 1) and ratings volume (12 vs 3). 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. PipeFit Pro sells 1 one-off in-app purchase. FlowLine Isometric asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PipeFit Pro holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 3 and 12 respectively.

UpkeepUpdate frequency

PipeFit Pro ships an update weekly, FlowLine Isometric every 6 weeks. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
PipeFit Pro versus FlowLine Isometric: the parameters behind the verdict, then further details
ParameterPipeFit ProFlowLine Isometric
PriceFreeFree
Rating4.7 (3 ratings) — better4.0 (12 ratings)
Positive reviews100.0% of reviews—
Number of ratings312 — better
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size26 MB23 MB
Age rating4+4+
DeveloperHung Vi VanJoshua Parkin

In-app purchases

1 purchases

PipeFit Pro

One-time1
  • PipeFit Pro Lifetime$5.99
None

FlowLine Isometric

No in-app purchases

Questions

Is PipeFit Pro free?
PipeFit Pro is free to download, with in-app purchases available.
Is FlowLine Isometric free?
FlowLine Isometric is free to download, with no in-app purchases.
Which has better reviews, PipeFit Pro or FlowLine Isometric?
PipeFit Pro is rated higher. PipeFit Pro averages 4.7 out of 5 from 3 ratings, while FlowLine Isometric averages 4.0 from 12 ratings.
Do PipeFit Pro or FlowLine Isometric have ads?
Neither PipeFit Pro nor FlowLine Isometric shows ads.
Which is updated more often, PipeFit Pro or FlowLine Isometric?
PipeFit Pro ships an update weekly, and FlowLine Isometric every 6 weeks. Most recently, PipeFit Pro was updated on November 5, 2026 and FlowLine Isometric on November 9, 2026.

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