Comparison

P Numbers vs CORE Inspection App

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
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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.

About

CORE Inspection App

This app streamlines asset and location management for inspections, allowing users to calculate critical pressure and thickness values. It supports photo documentation and customizable checklists, with offline capabilities for global use across various asset-intensive industries.

Highlights
  • Asset and location management
  • Tmin and MAWP calculations
  • Photo documentation
  • Customizable checklists
  • Offline capability
  • ISO 14224 asset settings
Features
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Developed with the user end mind. Providing modern accessible software downloadable from the Apple App store for iOS Devices (iPhone and iPad). Download today start creating locations, calculating Tmin and MAWP, and executing inspections free costs for a single user. No login required, just access to the Apple App store. Developed for the Oil and Gas and Chemical industries, but can be easily used for Transportation, Aeronautical, or other asset intensive industries. Contact info@asint.net if you would like to configure the App to your Inspection Management System or SAP. See Explainer Video at https://youtu.be/Plqm0ijwbfA Functions and Features include: ASSET MANAGEMENT - By default, the software is shipped with ISO 14224 asset settings, but can be customized to meet your needs. - “Recent Assets” are a quick way for the user to quickly navigate to the asset you’re working on. LOCATION MANAGEMENT - User can define Locations against an asset or component for monitoring. - Monitoring the location for thickness, readings, or simply for findings. - Calculate Tmin (thickness minimum) and MAWP (Maximum Allowable Working Pressure). - Create and manage photos stored against the location. As photos are recorded in the inspection, they are aggregated to the location for viewing. INSPECTION MANAGEMENT - The App ships with a default set of Inspections Types, but can be customized to meet your needs. - Default settings have a strong API 510/570 Focus. - Checklists that can be customized. - Customize the data attributes per inspection type. - Findings and traditional summary and recommendations are available. - Photos can be recorded and stored against the inspection event. READY FOR GLOBAL USE - Online and Offline capability. - Supports iPhone and iPad. - Initial installs and updated provided by the Apple App store for ease of distributing. - Metrics and Imperial Unit of Measure. - Asset Hierarchy, Inspection Types, Inspection Content, and other configurable capabilities to meet industry standards or operators best practices. Disclaimer This CORE Inspection App is provided by AsInt, Inc. "as is" and AsInt, Inc. makes no representations or warranties of any kind concerning the safety, suitability of the calculations for your purpose, accuracy of your data, inaccuracies of user’s application or other misuse of this CORE Inspection App. AsInt, Inc. uses industry recognized codes and standards as the basis of all its software solutions. If you would like more information regarding a specific app, please submit a question via info@asint.net. There are inherent dangers in the use of any software, and you are solely responsible for determining whether this CORE Inspection App is compatible with your equipment and whether the industry codes and standards used as the basis of this software are applicable in your jurisdiction. You are also solely responsible for the protection of your equipment and backup of your data, and AsInt, Inc. will not be liable for any damages you may suffer in connection with using this CORE Inspection App.

Screenshots

P Numbers4 screens
CORE Inspection App4 screens

Verdict

The call

The clearest difference is update cadence: CORE Inspection App at every 4 months against P Numbers's every 39 months. CORE Inspection App also leads on rating (5.0 vs 4.8). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

CORE Inspection App holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 5 respectively.

UpkeepUpdate frequency

P Numbers ships an update every 39 months, CORE Inspection App every 4 months. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
P Numbers versus CORE Inspection App: the parameters behind the verdict, then further details
ParameterP NumbersCORE Inspection App
PriceFreeFree
Rating4.8 (5 ratings)5.0 (5 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings55
Update frequencyEvery 39 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size13 MB46 MB
Age rating4+4+
DeveloperASMEIX CORPORATIONAsInt Inc.

Customer experience

P Numbers

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

CORE Inspection App

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

P Numbers

No in-app purchases

None

CORE Inspection App

No in-app purchases

Questions

Is P Numbers free?
P Numbers is free to download, with no in-app purchases.
Is CORE Inspection App free?
CORE Inspection App is free to download, with no in-app purchases.
Which has better reviews, P Numbers or CORE Inspection App?
CORE Inspection App is rated higher. P Numbers averages 4.8 out of 5 from 5 ratings, while CORE Inspection App averages 5.0 from 5 ratings.
Do P Numbers or CORE Inspection App have ads?
Neither P Numbers nor CORE Inspection App shows ads.
Which is updated more often, P Numbers or CORE Inspection App?
P Numbers ships an update every 39 months, and CORE Inspection App every 4 months. Most recently, P Numbers was updated on October 19, 2026 and CORE Inspection App on October 25, 2026.

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