P Numbers vs WeldQ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
WeldQ
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | P Numbers | WeldQ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 39 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | ASMEIX CORPORATION | Weld Australia |
In-app purchases
P Numbers
No in-app purchases
WeldQ
No in-app purchases
Questions
Is P Numbers free?
Is WeldQ free?
Do P Numbers or WeldQ have ads?
Which is updated more often, P Numbers or WeldQ?
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