Best Flange Bolt Chart Apps

204+ iOS apps curated and reviewed

4.3 avg rating

17 free apps

Updated September 2026

Looking for free flange bolt chart apps? 17 of our 204+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Flange Bolt Chart Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Flange Bolt Size & Torque	Free	4.6★ (363)	No	Yes	Sep 2026
2	Flange Bolt Chart	Free	5.0★ (2)	No	Yes	Aug 2026
3	Pipedata	Free	4.3★ (39)	No	No	Aug 2026
4	Weldbend Field Reference App	Free	3.1★ (36)	No	No	Aug 2026
5	Bolt IQ+	Free	—	No	No	Aug 2026
6	Virtual Flange Slide Rule	Free	5.0★ (13)	No	No	Jul 2026
7	Fabora: Steel & Metal Tools	Free	4.5★ (2)	No	Yes	Sep 2026
8	Bolt Reader®	Free	5.0★ (6)	No	No	May 2026

Top Picks for Flange Bolt Chart

Flange Bolt Size & Torque by Open Source Consulting LLC

Size & Torque Patterns

Editor's Choice

🔍 Reference

4.6😐(363 ratings)

FreeIn-App Purchases

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
💡 Useful for trade/craft
💯 Great for flanges, studs, and specs
👍 No fluff, just enough info
✨ Clean and easy to use
💯 Excellent resource for piping
👍 Easy to use, very useful

Room to Improve

💸 Now charges for features
👎 Used to be better
📉 Functionality decreased after redesign
❌ Missing Code 61/62 flange info
💰 Subscription model disliked
🤷 Can find info for free elsewhere
🗑️ App is trash
🚫 App no longer works after update
⚫ Black screen issue
📏 Max flange size limited

Flange Bolt Chart by Harbor Apps LLC

ASME flange bolting, offline

Strong Contender

🔍 Reference

5.0(2 ratings)

FreeIn-App Purchases

Access essential ASME flange bolting data offline. Quickly look up bolt sizes, dimensions, gasket types, and torque values. Features a visual bolt-circle diagram and job sheet export for field use.

Pipedata by John Bennett

Fast access to component data

Worth Considering

📊 Productivity

4.3(39 ratings)

Free

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 Bolt Chart apps to explore

Weldbend Field Reference App

by Weldbend Corporation

Free

Access dimensional data for carbon steel butt-weld fittings and flanges. This digital companion also provides technical and general information for carbon steel pipe systems.

Dimensional data for butt-weld fittingsDimensional data for flangesTechnical information for carbon steel pipe systems

Bolt Torque & Tension Tools

Free

🔧 Utilities

(0)

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

Fabora: Steel & Metal Tools

Weld, Pipe & Weight Calculator

Free

This app provides 21 fabrication calculators and workshop reference libraries for welders and metal workers. It offers tools for steel beam checks, welding settings, metal weights, and more, all accessible offline without an account.

21 fabrication calculatorsOffline functionalitySteel beam checks

This application provides users with real-time bolt tension data through intuitive bar graphs. It is specifically designed to work with Bolt-Cap Module devices from Transmission Dynamics, helping users quickly identify screws needing attention.

Real-time bolt tension informationBar graph data visualizationIdentify screws requiring attention

🔧 Utilities

(6)

free

FlangeTorq Bolt Torque Calc

ASME PCC-1 · B7 · Spiral Wound

$9.99

🔧 Utilities

(0)

Bolt Calculation & Analysis

Smart Bolt Calculator

This app calculates torque values for specific gasket brands, considering various sizes, pressure classes, and pipe specifications. It also provides installation instructions for flange isolation kits and modular seals, along with a suggested testing procedure.

Torque calculation for gasket brandsCustomizable friction factorFlange isolation kit installation instructions

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.

Calculate RingsIndustry News UpdatesSocial Network Connection

Calculate maximum tightening torque and preloads for various screws. Analyze preloads and stresses to ensure limits are met. All screw data is conveniently presented on a results page.

Calculate tightening torqueCalculate preloadsAnalyze stresses

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)

Monitor your bolts tightening

Free

🔧 Utilities

(0)

FitCheck: Hole Sizes & Fits

Screws, bearings & inserts

MB-RAD tool settings by Grafex

by AFS Advanced Fastening Solutions GmbH

Torque & Angle Toolkit

Measure screw pitch & diameter

Free

This app transforms your iPhone into a precise thread measurement tool. Simply photograph a screw next to a reference card to accurately determine its pitch and diameter, identifying the closest standard in both metric and imperial units.

Measures metric and imperial threadsIdentifies closest standard matchUses reference card for scale

🔧 Utilities

(1)

free with in-app purchases

FAQ about Flange Bolt Chart

What are the best flange bolt chart apps for iPhone?

Flange Bolt Size & Torque tops our flange bolt chart apps ranking as of September 2026, with a 4.6-star average from 363 App Store ratings, and it's free to download.

Are there free flange bolt chart apps for iPhone?

Yes — 17 of the top flange bolt chart apps we rank are free to download, including Flange Bolt Size & Torque and Flange Bolt Chart.

Does Flange Bolt Size & Torque have ads or in-app purchases?

Flange Bolt Size & Torque has no ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many flange bolt chart apps are on the App Store?

We track 204+ flange bolt chart apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What does the Flange Bolt Size & Torque app do?

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.

What kind of data can I find in the app?

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.

Best Flange Bolt Chart Apps

Compare top Flange Bolt Chart Apps (September 2026)

Top Picks for Flange Bolt Chart

What We LoveHighlights summarized from real App Store user reviews

Room to ImproveCommon complaints summarized from real App Store user reviews

More Flange Bolt Chart apps to explore

FAQ about Flange Bolt Chart

What We Love

Room to Improve