Comparison

ROL Assistant vs StressTable2023

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ROL Assistant

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
Read full description

ROL Sia: Sia virtual advisor on Refining Online®. Ask Sia your refining question for answers from the Refining Online Q&A. Unit Conversion: Length, Area, Volume, Mass, Density, Pressure, Energy, Power, Temperature, Flowrate, Viscosity, Specific Energy, Heat Flux, Heat Transfer Coefficient, Thermal Conductivity... Steam Properties: Enthalpy, Density, Heat Capacity, Viscosity, Thermal Conductivity of saturated steam, water, and superheated steam. Line Pressure Drop: Single phase line pressure drop calculation for different pipe sizes and materials in English or Metric units.

About

StressTable2023

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
Read full description

Background ASME Sec II-D give the material stress, physical and mechanical properties table. There are some tools available for Table 1-A stress values determination at given temperature but no tool available for other tables for quick determination of properties at given temperature. Applicable Code / Edition & Standards This app is based on ASME Section II-D 2023 Edition for metric and US customary unit. Utility This app gives material properties at given temperature for different Code section, also help user to do the hand calculation using the values where no commercial design software is available in the market. Competitive Edge There is no app available in the market to cover most of the tables available in ASME II-D for material properties. This app fills that gap and facilitate user to use these values in hand calculation where no commercial software is available for particular Code section. Target Audience This app targets inspection agencies, pressure items manufacturing organizations, quality control personnel, Engineers and designers who are involved in pressure items design calculations. Non Consumable Subscription: You can download the app from App Store for free, however One time Non-Consumable subscription in-app-purchase is required before you can use any of the Tables of this app. Purchase can be made by going to the menu of the application. Terms and condition are also provided there.

Screenshots

ROL Assistant4 screens
StressTable20234 screens

Verdict

The call

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.

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard5 real differences · 4 level
ROL Assistant versus StressTable2023: the parameters behind the verdict, then further details
ParameterROL AssistantStressTable2023
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (2 ratings)
Number of ratings22
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS11.4 — better13.0
Further details — not scored
Size28 MB20 MB
Age rating4+17+
DeveloperAstron International, Inc.Shabbir Ahmed

In-app purchases

None

ROL Assistant

No in-app purchases

1 purchases

StressTable2023

One-time1
  • Non Consumable Subscription$9.99

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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