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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)NoYesSep 2026
2Texas FlangeTexas FlangeFree1.0★ (2)NoNoMay 2026
3PipedataPipedataFree4.3★ (39)NoNoSep 2026
4Virtual Flange Slide RuleVirtual Flange Slide RuleFree5.0★ (13)NoNoJul 2026
5CPLinQ Flange ConfiguratorCPLinQ Flange ConfiguratorFree—NoNoMay 2026
6FlangeTorq Bolt Torque CalcFlangeTorq Bolt Torque Calc$9.99—NoNoAug 2026
7Flange Hole MarkerFlange Hole Marker$1.99—NoNoAug 2026
8Flange Calculator EasyFlange Calculator EasyFree—NoNoMay 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
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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
Pipedata#3

Pipedata by John Bennett

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

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.