ROL Assistant vs StressTable2021
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Virtual refining advisor
- Extensive unit conversions
- Steam properties calculator
- Line pressure drop calculation
- English and Metric units
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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.
StressTable2021
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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 2021 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
Verdict
The clearest difference is in-app purchases: ROL Assistant at none against StressTable2021's 1. ROL Assistant also leads on iOS requirement (11.4 vs 13.0). On price, 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. StressTable2021 sells 1 one-off in-app purchase. ROL Assistant asks for nothing beyond the download.
| Parameter | ROL Assistant | StressTable2021 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.4 — better | 13.0 |
| Further details — not scored | ||
| Size | 28 MB | 20 MB |
| Age rating | 4+ | 17+ |
| Developer | Astron International, Inc. | Shabbir Ahmed |
In-app purchases
ROL Assistant
No in-app purchases
StressTable2021
- Non-Consumable Subscription$9.99
Questions
Is ROL Assistant free?
Is StressTable2021 free?
Do ROL Assistant or StressTable2021 have ads?
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