Comparison

P Numbers vs WeldQ

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

WeldQ

Features
Read full description

The WeldQ mobile app is for the registered users of the WeldQ platform/website. WeldQ is available for welders, inspectors, supervisors, and coordinators to manage their qualifications and certifications, and to use as a digital ID card or wallet. The WeldQ app can be used to view your digital Welder/Supervisor/Certification cards, awarded diplomas & certificates, status/results of applications, and WeldQ emails. With the WeldQ app you can pay your examination fees and manage welder qualification confirmations. To apply and update your WeldQ account must be done on the WWW platform on your computer as well as initial applications. WeldQ is connected to the Australian Welder Certification Register (AWCR) which is managed by Weld Australia.

Screenshots

P Numbers4 screens
WeldQ4 screens

Verdict

The call

The clearest difference is update cadence: WeldQ at every 3 weeks against P Numbers's every 39 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

P Numbers ships an update every 39 months, WeldQ every 3 weeks. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 9 level
P Numbers versus WeldQ: the parameters behind the verdict, then further details
ParameterP NumbersWeldQ
PriceFreeFree
Rating4.8 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 39 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size13 MB28 MB
Age rating4+4+
DeveloperASMEIX CORPORATIONWeld Australia

In-app purchases

None

P Numbers

No in-app purchases

None

WeldQ

No in-app purchases

Questions

Is P Numbers free?
P Numbers is free to download, with no in-app purchases.
Is WeldQ free?
WeldQ is free to download, with no in-app purchases.
Do P Numbers or WeldQ have ads?
Neither P Numbers nor WeldQ shows ads.
Which is updated more often, P Numbers or WeldQ?
P Numbers ships an update every 39 months, and WeldQ every 3 weeks. Most recently, P Numbers was updated on October 2, 2026 and WeldQ on October 11, 2026.

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