P Numbers vs Inspecdata
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.
Inspecdata
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Inspecdata is the ultimate field data-capturing tool to optimize your fieldwork and report-preparation process. Receive work orders and templates assigned to you when you are connected to the Network, capture data on the go, offline or online, and synchronize it seamlessly when you're back online. Inspecdata is designed for individuals and organizations.
Screenshots
Verdict
The clearest difference is update cadence: Inspecdata at every 5 months 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, Inspecdata every 5 months. The most recent releases landed on June 11, 2026 and September 18, 2026 respectively.
| Parameter | P Numbers | Inspecdata |
|---|---|---|
| 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 5 months — 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 | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | ASMEIX CORPORATION | Maziar Abedi |
In-app purchases
P Numbers
No in-app purchases
Inspecdata
No in-app purchases
