# CORE Calculator App vs StressTable2023

The clearest difference is rating: CORE Calculator App at 5.0 against StressTable2023's 3.0. CORE Calculator App also leads on ratings volume (11 vs 2). StressTable2023's advantage is update cadence (daily vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. CORE Calculator App sells 3 in-app purchases, starting at $4.99 per month and StressTable2023 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CORE Calculator App holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: CORE Calculator App has 11 ratings behind it against 2, so its average is the more settled of the two.

CORE Calculator App ships an update every 3 months, StressTable2023 daily. The most recent releases landed on October 17, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CORE Calculator App | StressTable2023 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/core-calculator-app/id1447118499/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/stresstable2023/id6461216870/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 148 MB | 20 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [AsInt Inc.](https://appshunter.io/developer/1438397626) | [Shabbir Ahmed](https://appshunter.io/developer/1083166021) |

## What reviewers say

### CORE Calculator App

[App page](https://appshunter.io/ios/app/core-calculator-app/id1447118499)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Materials Lookup | $4.99 | per month |
| Damage Mech Screener | $9.99 | per month |
| Materials Lookup | $5.99 | one-time |


### StressTable2023

[App page](https://appshunter.io/ios/app/stresstable2023/id6461216870)

Access material stress, physical, and mechanical properties from ASME Sec II-D. This utility provides quick determination of properties at specific temperatures for various tables, aiding in hand calculations where commercial software is unavailable.

**Highlights:** ASME Sec II-D material properties, Stress values at given temperatures, Physical and mechanical properties, Metric and US customary units, Hand calculation assistance, Supports multiple ASME tables

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Non Consumable Subscription | $9.99 | one-time |


## Frequently asked questions

### Is CORE Calculator App free?

CORE Calculator App is free to download, with in-app purchases available.

### Is StressTable2023 free?

StressTable2023 is free to download, with in-app purchases available.

### Which has better reviews, CORE Calculator App or StressTable2023?

CORE Calculator App is rated higher. CORE Calculator App averages 5.0 out of 5 from 11 ratings, while StressTable2023 averages 3.0 from 2 ratings.

### Do CORE Calculator App or StressTable2023 have ads?

Neither CORE Calculator App nor StressTable2023 shows ads.

### Which is updated more often, CORE Calculator App or StressTable2023?

CORE Calculator App ships an update every 3 months, and StressTable2023 daily. Most recently, CORE Calculator App was updated on October 17, 2026 and StressTable2023 on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*