Comparison

P Numbers vs Pipe Fitting

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

Head to head
About

P Numbers

Quickly access weldability grouping numbers for welding procedures and performance qualifications. This app provides data from authoritative sources like ASME Section IX and AWS B2.1.

Highlights
  • Base metal weldability grouping lookup
  • Welding procedure qualification data
  • Performance qualification data
  • ASME Section IX Table QW/QB-422 data
  • AWS B2.1 Table C1 and C2 data
  • ISO/TR 20173 data
Features
Read full description

P-Numbers: Quick lookup of base metal weldability grouping numbers for welding procedure and performance qualification. Data is provided by C-spec from the master source used for generation, proof-reading and maintenance of ASME Section IX Table QW/QB-422, AWS B2.1 Table C1 and C2, and ISO/TR 20173.

About

Pipe Fitting

This tool provides precise pipe layout calculations for professionals in welding and fabrication. It offers various offset and fitting calculators, along with data tools for custom angles and triangle solutions. Easily switch between imperial and metric units for field or shop use.

Highlights
  • Offset calculators (basic, rolling, parallel)
  • Back-to-back fitting solutions
  • Elbow miter cut and triangle solver
  • Imperial and metric unit switching
  • Designed for iPhone and iPad
Features
Read full description

Pipe Fitting Calculator is the all-in-one solution for pipefitters, welders, and fabricators who need fast and accurate pipe layout calculations in the field or the shop. Designed for iPhone & iPad, this powerful tool delivers pro-level precision with a clean, easy-to-use interface—built specifically for real-world jobsite demands. Offset Calculators – Basic Offset – Fast and reliable offset math – Rolling Offset – Handles advanced rolling angles – Rolling Offset – Handles advanced rolling angles – Parallel Offset – Multi-line equal spread configurations Back-to-Back Fittings – X° + Y° Elbows – Compound angle fitting solutions – 90° + X° Elbows – Odd-angle transitions simplified Data Tools – Elbow Miter Cut Create custom angles from standard 90s – Triangle Solver – Instantly solve triangle dimensions, angles, and area You can easily switch between imperial(inches) or metric(cm) Pipe Fitting Calculator is one stop solution for fast and accurate bending! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

P Numbers4 screens
Pipe Fitting1 screens

Verdict

The call

The clearest difference is review sentiment: P Numbers at 100% against Pipe Fitting's 33%. P Numbers also leads on in-app purchases (none vs 2) and ads (none vs shown). Pipe Fitting's advantage is update cadence (every 5 days vs every 39 months) and ratings volume (116 vs 5). On price 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. Pipe Fitting sells 2 in-app purchases, starting at $4.99 per 7 days. P Numbers asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

P Numbers holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Pipe Fitting has 116 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of P Numbers's written reviews are positive against 33% of Pipe Fitting's.

UpkeepUpdate frequency

P Numbers ships an update every 39 months, Pipe Fitting every 5 days. The most recent releases landed on June 11, 2026 and September 19, 2026 respectively.

Scorecard8 real differences · 2 level
P Numbers versus Pipe Fitting: the parameters behind the verdict, then further details
ParameterP NumbersPipe Fitting
PriceFreeFree
Rating4.8 (5 ratings) — better4.6 (116 ratings)
Positive reviews100.0% of reviews — better33.3% of reviews
Number of ratings5116 — better
Update frequencyEvery 39 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size13 MB42 MB
Age rating4+4+
DeveloperASMEIX CORPORATIONxNeat.com

Customer experience

P Numbers

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Pipe Fitting

All ratings116 ratings
Positive89.7%
Neutral5.2%
Negative5.2%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

P Numbers

No in-app purchases

2 purchases

Pipe Fitting

Subscriptions2
  • Pipe Fitting3 Days trial$4.997 Days
  • Pipe Fitting7 Days trial$39.991 Year

Questions

Is P Numbers free?
P Numbers is free to download, with no in-app purchases.
Is Pipe Fitting free?
Pipe Fitting is free to download, with in-app purchases available.
Which has better reviews, P Numbers or Pipe Fitting?
P Numbers is rated higher. P Numbers averages 4.8 out of 5 from 5 ratings, while Pipe Fitting averages 4.6 from 116 ratings.
Do P Numbers or Pipe Fitting have ads?
Pipe Fitting shows ads; P Numbers does not.
Which is updated more often, P Numbers or Pipe Fitting?
P Numbers ships an update every 39 months, and Pipe Fitting every 5 days. Most recently, P Numbers was updated on June 11, 2026 and Pipe Fitting on September 19, 2026.

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