Comparison

CORE Calculator App vs tip.69

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

tip.69

This app merges social sharing with bill splitting, allowing users to add fun to their tips. Scan receipts with OCR to automatically capture bill totals and share them with a unique emoji.

Highlights
  • OCR receipt scanning
  • Automatic bill total extraction
  • Social sharing of receipts
  • Unique emoji claims
  • Funny tip rounding
Features
Read full description

IT'S FINALLY HERE ON iOS! the tipping app your mother warned you about we've all wondered what would happen if you merged Instagram with your calculator app, and now we can find out! add some spice to your tips by rounding your bill total to something funny. It's our humble assault on the commonplace * Take a picture of your receipt and we will scan it with state of the art OCR and automatically grab the total from it easing you from having to manually enter your bill amount. * Share your receipts to our feed so everyone can see what clever tipping amounts you have assembled * Claim your emoji that shows up when you share your receipt. Each emoji can only be claimed by one person, so act fast :)

Screenshots

CORE Calculator App4 screens
tip.694 screens

Verdict

The call

The clearest difference is rating: CORE Calculator App at 5.0 against tip.69's 4.8. tip.69's advantage is iOS requirement (9.0 vs 14.0). On price, review sentiment, ratings volume and update cadence 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 3 in-app purchases, starting at $4.99 per month and tip.69 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CORE Calculator App holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

CORE Calculator App ships an update every 3 months, tip.69 every 2 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
CORE Calculator App versus tip.69: the parameters behind the verdict, then further details
ParameterCORE Calculator Apptip.69
PriceFreeFree
Rating5.0 (11 ratings) — better4.8 (5 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings11 — better5
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.09.0 — better
Further details — not scored
Size148 MB24 MB
Age rating4+9+
DeveloperAsInt Inc.Mushroom DAO Holdings Corp.

Customer experience

CORE Calculator App

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

tip.69

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

CORE Calculator App

Subscriptions2
  • Materials Lookup$4.991 Month
  • Damage Mech Screener$9.991 Month
One-time1
  • Materials Lookup$5.99
8 purchases

tip.69

One-time8
  • Coffee$1.99
  • Beer$4.99
  • Lunch$9.99
Show 5 more
  • Night out$39.99
  • Watch$42.99
  • Snow$46.99
  • Trip$49.99
  • Shoes$69.99

Questions

Is CORE Calculator App free?
CORE Calculator App is free to download, with in-app purchases available.
Is tip.69 free?
tip.69 is free to download, with in-app purchases available.
Which has better reviews, CORE Calculator App or tip.69?
CORE Calculator App is rated higher. CORE Calculator App averages 5.0 out of 5 from 11 ratings, while tip.69 averages 4.8 from 5 ratings.
Do CORE Calculator App or tip.69 have ads?
Neither CORE Calculator App nor tip.69 shows ads.
Which is updated more often, CORE Calculator App or tip.69?
CORE Calculator App ships an update every 3 months, and tip.69 every 2 months. Most recently, CORE Calculator App was updated on October 17, 2026 and tip.69 on October 13, 2026.

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