CORE Calculator App vs UseePlus
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
UseePlus
This application allows you to view your phone's photo album files directly on your mobile device. It connects via USB to your phone, providing easy access to your media library.
- Connects via USB
- View photo album files
- Control software for MFI devices
- Access phone media library
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USEEPlus is a control software for MFI devices It is connected to the mobile phone via USB You can view your phone's photo album files through the app
Screenshots
Verdict
The clearest difference is review sentiment: CORE Calculator App at 100% against UseePlus's 25%. CORE Calculator App also leads on rating (5.0 vs 2.4). UseePlus's advantage is in-app purchases (none vs 3) and ratings volume (303 vs 11). On price, update cadence, 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. UseePlus asks for nothing beyond the download.
CORE Calculator App holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: UseePlus has 303 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 100% of CORE Calculator App's written reviews are positive against 25% of UseePlus's.
CORE Calculator App ships an update every 3 months, UseePlus every 2 months. Both last shipped on October 17, 2026.
| Parameter | CORE Calculator App | UseePlus |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (11 ratings) — better | 2.4 (303 ratings) |
| Positive reviews | 100.0% of reviews — better | 25.1% of reviews |
| Number of ratings | 11 | 303 — better |
| Update frequency | Every 3 months | Every 2 months — 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, Mac — better |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 148 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | AsInt Inc. | 亮 连 |
Customer experience
CORE Calculator App
UseePlus
Bugs and requests
CORE Calculator App
Not enough reviews yet to summarise bugs or requests.
UseePlus
Reported bugs
3 issues- App freezes or crashes frequently
- Device not detected even when connected
- Inconsistent performance after software updates
Requested features
3 requests- Ability to switch between front and side cameras
- Option to save photos/videos without full library access
- Improved focus and zoom controls
In-app purchases
CORE Calculator App
- Materials Lookup$4.991 Month
- Damage Mech Screener$9.991 Month
- Materials Lookup$5.99
UseePlus
No in-app purchases
Questions
Is CORE Calculator App free?
Is UseePlus free?
Which has better reviews, CORE Calculator App or UseePlus?
Do CORE Calculator App or UseePlus have ads?
Which is updated more often, CORE Calculator App or UseePlus?
Other comparisons
