Best Flange Chart Apps

244+ iOS apps curated and reviewed

3.4 avg rating
14 free apps
Updated August 2026

Flange Bolt Size & Torque is the household name in flange chart, but it's far from the only option. We track 244+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Flange Chart Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Flange Bolt Size & TorqueFlange Bolt Size & TorqueFree4.6★ (363)NoYesAug 2026
2Texas FlangeTexas FlangeFree1.0★ (2)NoNoMay 2026
3PipedataPipedataFree4.3★ (39)NoNoAug 2026
4Virtual Flange Slide RuleVirtual Flange Slide RuleFree5.0★ (13)NoNoJul 2026
5CPLinQ Flange ConfiguratorCPLinQ Flange ConfiguratorFreeNoNoMay 2026
6FlangeTorq Bolt Torque CalcFlangeTorq Bolt Torque Calc$9.99NoNoAug 2026
7Flange Hole MarkerFlange Hole Marker$1.99NoNoAug 2026
8Flange Calculator EasyFlange Calculator EasyFreeNoNoMay 2026

Top Picks for Flange Chart

Flange Bolt Size & Torque#1

Flange Bolt Size & Torque by Open Source Consulting LLC

Size & Torque Patterns
Editor's Choice
🔍 Reference
4.6😐(363 ratings)
FreeIn-App Purchases
Flange Bolt Size & Torque screenshot 1
Flange Bolt Size & Torque screenshot 2
Flange Bolt Size & Torque screenshot 3
Flange Bolt Size & Torque screenshot 4
Flange Bolt Size & Torque screenshot 5
Flange Bolt Size & Torque screenshot 6

Instantly access flange, pipe, and bolt data offline. Quickly find bolt sizes, torque patterns, flange dimensions, and pipe specifications. Ideal for pipefitters and steamfitters needing rapid access to piping information.

What We Love

  • 👍 Easy to use
  • 🚀 Huge time saver
  • ✅ Reliable data
  • 🛠️ Very helpful tool

Room to Improve

  • 💸 Now charges for features
  • 👎 Used to be better
  • 📉 Functionality decreased after redesign
Texas Flange#2

Texas Flange by Greedbegone.com

Strong Contender
💼 Business
1.0(2 ratings)
Free
Texas Flange screenshot 1
Texas Flange screenshot 2
Texas Flange screenshot 3
Texas Flange screenshot 4

This business app provides industrial flanges for various industries, offering calculations and industry news. It connects users through social networks and offers a wide range of flange types and sizes.

Pipedata#3

Pipedata by John Bennett

Fast access to component data
Worth Considering
📊 Productivity
4.3(39 ratings)
Free
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Pipedata screenshot 6

Access dimensional and weight data for over 70 common ASME piping components. Provides information in Metric, US Customary Units, and Inch/Fractions, with audited weights for valves, flanges, and other parts. Ensures accuracy and up-to-date information based on the latest ASME specifications.

More Flange Chart apps to explore

4
Virtual Flange Slide Rule
Virtual Flange Slide Rule
Virtual Flange Slide Rule
by American Certified Equipment, Inc.
Free

Access essential measurements and dimensional data for API 6A integral flanges. This tool provides quick access to critical specifications for engineering and industrial applications.

API 6A integral flange dataRelevant measurementsDimensional data access
🔍 Reference
(13)
free
5
CPLinQ Flange Configurator
CPLinQ Flange Configurator
CPLinQ Flange Configurator
flange configurator for O&G
Free
📊 Productivity
(0)
6
FlangeTorq Bolt Torque Calc
FlangeTorq Bolt Torque Calc
FlangeTorq Bolt Torque Calc
ASME PCC-1 · B7 · Spiral Wound
$9.99
🔧 Utilities
(0)
7
Flange Hole Marker
Flange Hole Marker
Flange Hole Marker
by Imran Pinjara
$1.99

Calculate the cord length needed to mark holes on a flange's pitch circle diameter. Ideal for fabrication professionals, this tool simplifies bolt hole marking on various industrial equipment.

Hole center marking on flangeCalculates cord length for hole divisionUses Pitch Circle Diameter (PCD) or Bolt Hole Circle Diameter (BCD)
🔧 Utilities
(0)
paid
8
Flange Calculator Easy
Flange Calculator Easy
Flange Calculator Easy
by YAVUZ BULAMADIK
Free
🔧 Utilities
(0)
9
Piping DataBase - Flanges
Piping DataBase - Flanges
Piping DataBase - Flanges
by Radin Alcira
$3.99

This app provides a mobile reference for pipe flange specifications, including dimensions, bolt details, and types. It's designed for professionals and students in industries like oil & gas and petrochemicals, offering unit conversion between US Customary and SI.

Pipe flange specificationsLarge diameter flange supportMultiple flange types
🔧 Utilities
(1)
paid
10
Flange Hole Marker Pro
Flange Hole Marker Pro
Flange Hole Marker Pro
by Imran Pinjara
$2.99

Calculate precise flange hole markings for equispaced holes, angles, and equivalent hole counts. Supports both millimeters and inches for various fabrication and engineering applications.

Equispaced Holes CalculatorHoles at Any AnglesEquivalent No. of Holes
🔧 Utilities
(0)
paid
11
Piping and Flange Handbook
Piping and Flange Handbook
Piping and Flange Handbook
by iTouch It Once Software Corporation
$8.99

Access comprehensive piping and flange data on your mobile device. Quickly find dimensions, weights, and stud requirements for various pipe components, fittings, and flanges. Ideal for field professionals and designers needing instant access to critical information.

CAD-generated component drawingsMetric & Imperial unitsBrowse and search piping by size/schedule
📊 Productivity
(2)
paid
12
Flange Hole Marker Calc
Flange Hole Marker Calc
Flange Hole Marker Calc
Accurate Flange Hole Layout
Free

This engineering tool simplifies flange hole layout for professionals. It offers three calculators for accurate marking of equispaced, angled, or equivalent holes, saving time and reducing errors in fabrication and machining. Works offline.

Equispaced Hole CalculatorHoles at Any Angle CalculatorEquivalent Holes Calculator
🔧 Utilities
(1)
free with in-app purchases
13
Engidraft -Engineering Drawing
Engidraft -Engineering Drawing
Engidraft -Engineering Drawing
Engineering Drawing
Free
🎨 Graphics & Design
(0)
14
SFF Group
SFF Group
SFF Group
by Scandinavian Fittings and Flanges AS
Free
💼 Business
(0)
15
Pipe and Flange Calculator
Pipe and Flange Calculator
Pipe and Flange Calculator
by iTouch It Once Software Corp.
$4.99

This app calculates required pipe schedules and ANSI flange ratings based on user-inputted pressure, temperature, and corrosion allowances. It supports a wide range of pipe sizes and materials, offering detailed calculation results for various piping systems.

Pipe schedule and flange rating calculationASME B31.3 2008 complianceSupports pressure, temperature, and corrosion allowances
📊 Productivity
(2)
paid
16
PVF Reference
PVF Reference
PVF Reference
by DistributionNOW
Free

Access industry standard terminology, specifications, and reference tables for pipe, valves, fittings, and fasteners. Quickly identify materials, understand markings, and find technical data with interactive tables and diagrams.

Industry terminology glossaryMaterial identification diagramsTechnical data tables
🔍 Reference
(2)
free
17
FZ SIide Rule
FZ SIide Rule
FZ SIide Rule
by D Young
Free

This application provides a digital slide rule for finding critical dimensions of high-pressure wellhead equipment, including integral flange and ring groove measurements. It functions like a traditional paper slide rule, offering convenience and accessibility for users needing these specific engineering calculations.

Integral flange dimensionsRing groove dimensionsR Type ring gasket calculations
🔍 Reference
(1)
free
18
Metal ONE
Metal ONE
Metal ONE
Tools for Steel Industry
Free
🔧 Utilities
(0)
19
WellOracle
WellOracle
WellOracle
by Robert De-Mott
Free
🔍 Reference
(0)
20
Chart Maker: Pic2Graph
Chart Maker: Pic2Graph
Chart Maker: Pic2Graph
Scan data -> Instant charts
Free
📊 Productivity
(0)

FAQ about Flange Chart

What are the best flange chart apps for iPhone?
Flange Bolt Size & Torque tops our flange chart apps ranking as of August 2026, with a 4.6-star average from 363 App Store ratings, and it's free to download.
Yes — 14 of the top flange chart apps we rank are free to download, including Flange Bolt Size & Torque and Texas Flange.
Flange Bolt Size & Torque has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 244+ flange chart apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides instant, offline access to a comprehensive database of flange, pipe, and bolt data. It allows users to quickly look up information such as the number and diameter of bolts, wrench size, torque patterns, flange dimensions, pipe specifications, and gasket data.
The app includes detailed data for flanges (number of bolts, bolt diameter, length, wrench size, torque pattern, target torque, outside diameter, thickness, bolt circle diameter, weight), pipes (outside diameter, wall thickness, schedule, weight), and gaskets (inside/outside diameter, spiral wound dimensions, ring dimensions). It covers various flange rating classes and sizes.