# ROL Assistant vs StressTable2023

The clearest difference is rating: ROL Assistant at 5.0 against StressTable2023's 3.0. ROL Assistant also leads on in-app purchases (none vs 1) and iOS requirement (11.4 vs 13.0). StressTable2023's advantage is update cadence (daily vs every 4 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. StressTable2023 sells 1 one-off in-app purchase. ROL Assistant asks for nothing beyond the download.

ROL Assistant holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

ROL Assistant ships an update every 4 months, StressTable2023 daily. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ROL Assistant | StressTable2023 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rol-assistant/id775678395/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/stresstable2023/id6461216870/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 20 MB |
| Requires iOS | **11.4** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Astron International, Inc.](https://appshunter.io/developer/775678398) | [Shabbir Ahmed](https://appshunter.io/developer/1083166021) |

## What reviewers say

### ROL Assistant

[App page](https://appshunter.io/ios/app/rol-assistant/id775678395)

This utility app provides a virtual advisor for refining questions and offers extensive unit conversion tools. It also calculates steam properties and line pressure drops for various pipe materials and sizes.

**Highlights:** Virtual refining advisor, Extensive unit conversions, Steam properties calculator, Line pressure drop calculation, English and Metric units

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 ROL Assistant free?

ROL Assistant is free to download, with no in-app purchases.

### Is StressTable2023 free?

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

### Which has better reviews, ROL Assistant or StressTable2023?

ROL Assistant is rated higher. ROL Assistant averages 5.0 out of 5 from 2 ratings, while StressTable2023 averages 3.0 from 2 ratings.

### Do ROL Assistant or StressTable2023 have ads?

Neither ROL Assistant nor StressTable2023 shows ads.

### Which is updated more often, ROL Assistant or StressTable2023?

ROL Assistant ships an update every 4 months, and StressTable2023 daily. Most recently, ROL Assistant was updated on October 13, 2026 and StressTable2023 on October 27, 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.*