About ROL Assistant
ROL Sia: Sia virtual advisor on Refining Online(R). Ask Sia your refining question for answers from the Refining Online Q&A. Unit Conversion: Length, Area, Volume, Mass, Density, Pressure, Energy, Power, Temperature,...
ROL Sia: Sia virtual advisor on Refining Online(R). 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.
Version History General imprvoments and iOS26 adaptation. 1.0.30 Feb 18 Age rating updation. 1.0.29 Jan 18 General Improvements. 1.0.28 07/23/2025 General Improvments. 1.0.27 07/31/2024 General Improvements. 1.0.26 07/25/2023 - General Improvements related to iOS 15. 1.0.25 11/11/2021 General Improvements. 1.0.18 10/11/2021 General Improvements. 1.0.17 10/04/2021 Sia virtual advisor added to the app. Sia virtual advisor on Refining Online®. Ask Sia your refining question for answers from the Refining Online Q&A. 1.0.16 10/01/2021 - General Improvements. 1.0.11 02/24/2021 General bug fixes 1.0.9 09/21/2017 General bug fixes 1.0.8 05/19/2017 General bug fixes 1.0.6 05/11/2017 Upgraded for 64 bit compatibility. 1.0.3 04/13/2017 Description Changed. 1.0.1 01/20/2014 1.0 12/18/2013
Previous Versions
Here you can find the changelog of ROL Assistant since it was posted on our website on 2023-09-06 17:46:49.
The latest version is 1.0.30 and it was updated on 2026-06-23 20:46:12. See below the changes in each version.
ROL Assistant version 1.0.30
Updated At: 2026-06-03
Changes: Version History General imprvoments and iOS26 adaptation. 1.0.30 Feb 18 Age rating updation. 1.0.29 Jan 18 General Improvements. 1.0.28 07/23/2025 General Improvments. 1.0.27 07/31/2024 General Improvements. 1.0.26 07/25/2023 - General Improvements related to iOS 15. 1.0.25 11/11/2021 General Improvements. 1.0.18 10/11/2021 General Improvements. 1.0.17 10/04/2021 Sia virtual advisor added to the app. Sia virtual advisor on Refining Online®. Ask Sia your refining question for answers from the Refining Online Q&A. 1.0.16 10/01/2021 - General Improvements. 1.0.11 02/24/2021 General bug fixes 1.0.9 09/21/2017 General bug fixes 1.0.8 05/19/2017 General bug fixes 1.0.6 05/11/2017 Upgraded for 64 bit compatibility. 1.0.3 04/13/2017 Description Changed. 1.0.1 01/20/2014 1.0 12/18/2013
ROL Assistant version 1.0.30
Updated At: 2026-02-18
Changes: General imprvoments and iOS26 adaptation.
ROL Assistant version 1.0.29
Updated At: 2026-01-18
Changes: Age rating updation.
ROL Assistant version 1.0.28
Updated At: 2025-07-23
Changes: Jul 23, 2025
Version 1.0.28
General Improvements.
ROL Assistant version 1.0.27
Updated At: 2024-07-31
Changes: Jul 31, 2024
Version 1.0.27
General Improvments.
ROL Assistant version 1.0.26
Updated At: 2023-07-25
Changes: Jul 25, 2023
Version 1.0.26
General Improvements.
Disclaimer
Official App Store Link
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