ISO vs PRISM Workplace
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ISO
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ISO-5167 Orifice calculates size, flow-rate or pressure drop for gas and liquid flow orifice meters based on the International Standard Organization's ISO-5167. Orifice Size is calculated from given flow-rate and pressure drop, Flow-rate is calculated from given size and pressure drop and Pressure Drop requires orifice size and flow-rate. Different taps can be selected: Flange Taps, D and D/2 or Corner taps. Fluids include gases: Natural Gas (Specific Gravity must be provided), Air and Nitrogen, or liquids: Crude Oil, Water, Methanol, Mono-ethylene Glycol, Diethylene Glycol and Triethylene Glycol. In addition, selecting orifice material will adjust the sizing parameter of the orifice depending on temperature. Customary (US-units) or SI-units can be selected.
PRISM Workplace
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The leading IoT application in Vietnam - Easy to use and help users have the best experience in workspaces and smart offices With a human-centered orientation, PRISM contributes to building the best environment to work and develop. We believe that the working environment directly affects employee morale and performance. Therefore, by applying technology to day-to-day activities in the office, PRISM can help you: - Interact easily with colleagues: Connect and bring people closer together - Updating the organization's event: mark the event on the calendar - Parking registration in the building: simple process of parking registration - Convenient building access: touchless experience with facial recognition or QR code authentication - Easily login: in addition to the account and password, supports a variety of login methods with O365, Google - Visitor management: Manage, save visitor information and send invitations quickly Download the PRISM app now to be part of the PRISM ecosystem User support: - Email: info@prism.vn - Website: https://prism.vn
Screenshots
Verdict
The clearest difference is price: PRISM Workplace at Free against ISO's $0.99. PRISM Workplace also leads on update cadence (every 3 weeks vs every 18 months) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
PRISM Workplace is free to download; ISO costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ISO ships an update every 18 months, PRISM Workplace every 3 weeks. The most recent releases landed on September 28, 2026 and October 27, 2026 respectively.
| Parameter | ISO | PRISM Workplace |
|---|---|---|
| Price | $0.99 | Free โ better |
| Update frequency | Every 18 months | Every 3 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 118 MB |
| Age rating | 17+ | 4+ |
| Developer | Bjarne Berge | VNG CORPORATION |
In-app purchases
ISO
No in-app purchases
PRISM Workplace
No in-app purchases









