ROL Assistant vs Polyverse
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.
Polyverse
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Polyverse is your all-in-one language companion, designed to break down communication barriers and bring the world to your fingertips. Whether you’re traveling abroad, chatting with international colleagues, or simply curious about new tongues, Polygot delivers lightning-fast translations across text, voice, and images—right from your phone.
Screenshots
Verdict
The clearest difference is iOS requirement: ROL Assistant at 11.4 against Polyverse's 17.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
ROL Assistant ships an update every 4 months, Polyverse every 5 months. The most recent releases landed on September 27, 2026 and September 25, 2026 respectively.
| Parameter | ROL Assistant | Polyverse |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 28 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Astron International, Inc. | Ashish Singh |
In-app purchases
ROL Assistant
No in-app purchases
Polyverse
No in-app purchases
Questions
Is ROL Assistant free?
Is Polyverse free?
Do ROL Assistant or Polyverse have ads?
Which is updated more often, ROL Assistant or Polyverse?
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