X vs CORE Calculator App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
X
Calculate radiography shot times for industrial radiographers using radioactive materials. Quickly determine exposure time by inputting curies, steel thickness, and source-to-film distance.
- Calculate radiography shot times
- Supports Iridium and Cobalt sources
- Input curies, thickness, and distance
- Field-tested for accuracy
- Replaces slide rule calculations
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Updated for iOS10. Only Useful for Industrial Radiographers! This is an application to replace the aggravating usage of slide rules to calculate radiography shot times. It is applicable to Industrial Radiographers working with radioactive materials (not x-ray machines). It works with both Iridium and Cobalt sources. This app has been tested in the field with working radiography crews and the response has be great. Just set the number of curies, the thickness of the steel (inches), and the source to film distance (in inches). Hit the calculate button and you will have the exposure time.
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.
- Tmin calculations
- MAWP calculations
- Corrosion rate calculations
- Remaining life determination
- Construction material information
- Damage mechanism identification
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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
Screenshots
Verdict
The clearest difference is in-app purchases: X at none against CORE Calculator App's 3. X also leads on iOS requirement (8.0 vs 15.0). CORE Calculator App's advantage is update cadence (every 2 months vs every 13 months) and review sentiment (100% vs 76%). On price, ratings volume, ads 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. CORE Calculator App sells 3 in-app purchases, starting at $4.99 per month. X asks for nothing beyond the download.
CORE Calculator App holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 11 respectively. Written reviews point the same way: 76% of X's written reviews are positive against 100% of CORE Calculator App's.
X ships an update every 13 months, CORE Calculator App every 2 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.
| Parameter | X | CORE Calculator App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (8 ratings) | 5.0 (11 ratings) — better |
| Positive reviews | 75.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 | 11 — better |
| Update frequency | Every 13 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 0 MB | 148 MB |
| Age rating | 4+ | 4+ |
| Developer | Lance Henderson | AsInt Inc. |
Customer experience
X
CORE Calculator App
In-app purchases
X
No in-app purchases
CORE Calculator App
- Materials Lookup$4.991 Month
- Damage Mech Screener$9.991 Month
- Materials Lookup$5.99
Questions
Is X free?
Is CORE Calculator App free?
Which has better reviews, X or CORE Calculator App?
Do X or CORE Calculator App have ads?
Which is updated more often, X or CORE Calculator App?
Other comparisons
