Comparison

Weldbend Field Reference App vs Flange Bolt Size & Torque

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Weldbend Field Reference App

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.

Highlights
  • Dimensional data for butt-weld fittings
  • Dimensional data for flanges
  • Technical information for carbon steel pipe systems
  • General information for carbon steel pipe systems
Features
Read full description

The Weldbend Field Reference Digital Companion is an app which contains dimensional data for carbon steel butt-weld fittings and flanges, as well and technical and general information pertaining to carbon steel pipe systems.

About

Flange Bolt Size & Torque

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.

Highlights
  • Offline data access
  • Instant data lookups
  • Flange bolting data
  • Flange dimensions data
  • Pipe data
  • Gasket data
  • Torque pattern images
Features
Read full description

Lookup flange, pipe, and bolt data in seconds with Flange Bolt Chart. All data is available offline, lookups are instantaneous. Here's just a sample of the available data. Flange bolting data: 1. Number of bolts 2. Diameter of bolts 3. Length of bolts 4. Wrench size 5. Torque pattern 6. Target torque Flange dimensions data: 1. Outside diameter of flange 2. Flange thickness 3. Diameter of bolt circle 4. Flange weight Pipe data: 1. Outside diameter 2. Wall thickness 3. Schedule 4. Weight 5. Weight with liquid Gasket data: 1. Gasket inside diameter 2. Gasket outside diameter 3. Spiral wound dimensions 4. Type R ring dimensions And many more fields. All values are calculated or sourced directly from official standards like ASME B16.5 "Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard". Looking up flange, pipe, and bolt data with Flange Bolt Chart is far faster and less error prone than searching through PDF charts and tables. The sole purpose of the tool is to make it as simple as possible for pipefitters, steamfitters, and others working in piping to look up piping information like flange bolt size and torque pattern. Is there a feature you'd like from Flange Bolt Chart that you don't see? Request it through the app and we'll do our best to add it to the development schedule. Features of the app: 1. Full offline capability: No internet connection necessary to use. All data is stored locally on your phone. (The app requires minimum storage space overall) 2. Instant data lookups. Just enter the necessary inputs (like nominal pipe size and flange class) and the app instantly populates the correct values for the flange, pipe, or bolt outputs you’re searching for. 3. Flange torque sequence images: Includes the full list of torque sequences in picture form, with the studs numbered. The information in this app covers, but is not limited to: (1) flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 60 and flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12, with requirements given in U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units; (2) flanged fittings with rating class designation 150 and 300 in sizes NPS 1/2 through NPS 60, with requirements given in U.S. Customary units with diameter of bolts and flange bolt holes expressed in inch units; (3) flanged fittings with rating class designation 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 60 and flanged fittings with rating class designation 2500 in sizes NPS 1/2 through NPS 12 in U.S. Customary units. Covers 4 bolt to 60 bolt sequences. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Weldbend Field Reference App3 screens
Flange Bolt Size & Torque4 screens

Verdict

The call

The clearest difference is rating: Flange Bolt Size & Torque at 4.6 against Weldbend Field Reference App's 3.1. Flange Bolt Size & Torque also leads on review sentiment (64% vs 50%) and ratings volume (363 vs 38). Weldbend Field Reference App's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement 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. Flange Bolt Size & Torque sells 2 in-app purchases, starting at $4.99 per 3 months. Weldbend Field Reference App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flange Bolt Size & Torque holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: Flange Bolt Size & Torque has 363 ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 50% of Weldbend Field Reference App's written reviews are positive against 64% of Flange Bolt Size & Torque's.

UpkeepUpdate frequency

Weldbend Field Reference App ships an update every 2 months, Flange Bolt Size & Torque monthly. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
Weldbend Field Reference App versus Flange Bolt Size & Torque: the parameters behind the verdict, then further details
ParameterWeldbend Field Reference AppFlange Bolt Size & Torque
PriceFreeFree
Rating3.1 (38 ratings)4.6 (363 ratings) — better
Positive reviews50.0% of reviews63.6% of reviews — better
Number of ratings38363 — better
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size29 MB31 MB
Age rating4+4+
DeveloperWeldbend CorporationOpen Source Consulting LLC

Customer experience

Weldbend Field Reference App

All ratings38 ratings
Positive52.6%
Neutral2.6%
Negative44.7%
Written reviews30 reviews
Positive50.0%
Neutral6.7%
Negative43.3%

Flange Bolt Size & Torque

All ratings363 ratings
Positive89.5%
Neutral2.2%
Negative8.3%
Written reviews44 reviews
Positive63.6%
Neutral0.0%
Negative36.4%

Bugs and requests

Weldbend Field Reference App

Not enough reviews yet to summarise bugs or requests.

Flange Bolt Size & Torque

Reported bugs

6 issues
  • App stopped working, requires resubscription
  • App will not open after latest update
  • App is broken
  • Black screen and grey bar in the middle
  • Wrench sizes don't match up on some flanges
Show 1 more
  • Torque patterns on some flanges are off

Requested features

7 requests
  • Add Code 61/62 flange information
  • Include machined bolt sizes
  • Add torquing equipment info (rad guns, J gun, etc.) and usage instructions
  • Include CGI and CG torque specs for different gasket styles
  • Add support for larger flange sizes (beyond 60")
Show 2 more
  • Add RTJ selection
  • Availability on Windows tablet

In-app purchases

None

Weldbend Field Reference App

No in-app purchases

2 purchases

Flange Bolt Size & Torque

Subscriptions1
  • Flange Bolt Professional$4.993 Months
One-time1
  • Suggested Torque$0.99

Questions

Is Weldbend Field Reference App free?
Weldbend Field Reference App is free to download, with no in-app purchases.
Is Flange Bolt Size & Torque free?
Flange Bolt Size & Torque is free to download, with in-app purchases available.
Which has better reviews, Weldbend Field Reference App or Flange Bolt Size & Torque?
Flange Bolt Size & Torque is rated higher. Weldbend Field Reference App averages 3.1 out of 5 from 38 ratings, while Flange Bolt Size & Torque averages 4.6 from 363 ratings.
Do Weldbend Field Reference App or Flange Bolt Size & Torque have ads?
Neither Weldbend Field Reference App nor Flange Bolt Size & Torque shows ads.
Which is updated more often, Weldbend Field Reference App or Flange Bolt Size & Torque?
Weldbend Field Reference App ships an update every 2 months, and Flange Bolt Size & Torque monthly. Most recently, Weldbend Field Reference App was updated on September 19, 2026 and Flange Bolt Size & Torque on September 24, 2026.

Other comparisons