Comparison

CORE Calculator App vs P

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

Head to head
About

CORE Calculator App

This app provides inspectors in the oil and gas industry with essential calculations for asset integrity. It offers tools for determining Tmin, MAWP, corrosion rates, and remaining life based on industry standards.

Highlights
  • Tmin calculations
  • MAWP calculations
  • Corrosion rate calculations
  • Remaining life determination
  • Construction material information
  • Damage mechanism identification
Features
Read full description

AsInt delivers asset integrity solutions globally within the Oil and Gas Upstream, Midstream, Downstream, and Petrochemical industries. With our CORE Calculator mobile app, you have quick and easy calculator to assist API 510/570 Inspectors in calculating Tmin, MAWP, Corrosion Rates, Remaining life, etc. We use industry recognized codes and standards as the basis of all our software solutions. The app is designed to take common inspection and engineering calculations and make them available and accessible on your mobile device. Here are a few things that you can do from this mobile app: - Access comprehensive and updated information on construction materials. - Perform precise calculations based on operating details. - Identify probable damage mechanisms. - Determine remaining life based on thickness data. - Calculate corrosion rates with precision. - Seamless assessment of damage susceptibilities. and much more. Get started NOW! This CORE Calculator app is provided by AsInt, Inc. "AS IS" and AsInt takes no responsibilities 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 any other misuse of this application. There are inherent dangers in the use of any software, and you are solely responsible for determining the compatibility of this application with your equipment. Ensure that the industry codes and standards used as the basis of this application are applicable in your jurisdiction. We are committed to protecting and respecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our CORE Calculator mobile application. We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page. You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page. By using the CORE Calculator mobile application, you agree to our terms and conditions stating Acceptance of Terms, Use of the App, Prohibited Uses, Disclaimer of Warranties, etc. For more information on Privacy Policy : https://asint.online/privacy-policy and Terms of Use : https://asint.net/mobiletermandconditions/ Contact us : info@asint.net

About

P

Read full description

Offshore oil and gas platforms provide some of the most reliable in-situ weather observations in the South China Sea. This app delivers access to weather data and forecasts derived from selected offshore platform locations, designed for professionals who operate in marine and offshore environments. Built for offshore engineers, maritime operators, and sea-based users, the app allows you to view current conditions, short-term forecasts, and time-resolved weather data at key offshore locations. The focus is on clarity, accuracy, and relevance—supporting operational awareness rather than general consumer weather use. Key features include: -Current and forecasted weather conditions for selected offshore locations -Hourly data views for operational planning -Severe weather alerts where applicable -Multi-location tracking for regional awareness The app prioritizes dependable offshore-relevant data presentation, helping users make informed decisions in marine and offshore contexts.

Screenshots

CORE Calculator App4 screens
P4 screens

Verdict

The call

The clearest difference is in-app purchases: P at none against CORE Calculator App's 2. P also leads on update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. CORE Calculator App sells 2 in-app purchases, starting at $4.99 per month. P asks for nothing beyond the download.

UpkeepUpdate frequency

CORE Calculator App ships an update every 3 months, P every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
CORE Calculator App versus P: the parameters behind the verdict, then further details
ParameterCORE Calculator AppP
PriceFreeFree
Rating5.0 (11 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings11 — better—
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size148 MB34 MB
Age rating4+4+
DeveloperAsInt Inc.Dr. Ahmad Mohamad Ayob

In-app purchases

2 purchases

CORE Calculator App

Subscriptions2
  • Materials Lookup$4.991 Month
  • Damage Mech Screener$9.991 Month
None

P

No in-app purchases

Questions

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

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