CORE Calculator App vs InspectFlow+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
InspectFlow+
Digitize industrial asset inspections with customizable checklists on your mobile device. Capture data, photos, and videos offline, ensuring consistent and accurate inspection records for teams in the field. Seamlessly sync data when connectivity is available.
- Digitize inspection checklists
- Capture photos and videos
- Offline data collection
- Standardize inspections
- Seamless data syncing
- Customizable line items and sections
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InspectFlow+ (Inspect Flow) is a digital checklist app for tablets and phones. As part of the HUVR IDMS platform, it allows you to digitize any inspection checklist, enabling you to inspect industrial assets like never before! Teams in the field can easily enter their checklist data, photos and videos using your own pre-configured format. Use InspectFlow+ (Inspect Flow) and the HUVR IDMS platform to ensure your inspection data is consistent, correct and always available! • Collect data faster and more accurately while still in the field • Easy entry of multiple input types (text, photo, checkboxes, etc.) • Compatible with tablets and phones • Standardize your inspections across teams and locations • Ensure reliable data for compliance and adherence to best practices • Each line item can include photos, videos and a written note • Conduct entire inspections while completely offline • All data is seamlessly uploaded and synched when you’re ready • Each sync is recorded separately, including the date, time and active user • Add as many line items and sections as you need to manage each inspection • Support for embedded written and pictorial instructions and reference images
Screenshots
Verdict
The clearest difference is review sentiment: CORE Calculator App at 100% against InspectFlow+'s 50%. CORE Calculator App also leads on rating (5.0 vs 4.3). InspectFlow+'s advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 2 months). 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. InspectFlow+ asks for nothing beyond the download.
CORE Calculator App holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 11 respectively. Written reviews point the same way: 100% of CORE Calculator App's written reviews are positive against 50% of InspectFlow+'s.
CORE Calculator App ships an update every 2 months, InspectFlow+ every 3 weeks. The most recent releases landed on September 13, 2026 and August 1, 2026 respectively.
| Parameter | CORE Calculator App | InspectFlow+ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (11 ratings) — better | 4.3 (11 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 11 | 11 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 148 MB | 178 MB |
| Age rating | 4+ | 4+ |
| Developer | AsInt Inc. | HUVRdata, LLC |
Customer experience
CORE Calculator App
InspectFlow+
In-app purchases
CORE Calculator App
- Materials Lookup$4.991 Month
- Damage Mech Screener$9.991 Month
- Materials Lookup$5.99
InspectFlow+
No in-app purchases





