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Phase Purchase

Compare and Purchase

Buy the Phase Equilibria Diagram version that best fits your needs.

Select the product below to order online. All prices are in USD and do not include shipping, tax (VAT, HST, etc.), or other government fees.

Format and DiscountsSingle-userMulti-user
(up to 10 simultaneous)
(unlimited, IP authentication)
Phase Online (ACerS Members)$1,195$1,895$1,895
Phase Online$1,295$1,995$1,995
Phase USB 4.3
Purchase by 15-Dec-2019 to get a free update to 4.4
Phase USB 4.3 (Upgrade from V4.2)$275$475N/A
Phase USB 4.3 (Upgrade from V4.1)$550$950N/A
Phase USB 4.3 (Upgrade from V4.0)$825$1,425N/A


Not sure which product is right for you? Check out the table below for a side-by-side comparison.

Trusted, comprehensive
Use a Windows® PC
Use a MAC or other OS
Physical drive
Web-based with username/password
Web-based with IP authentication
(library version)
No internet access available
One-time purchase
Yearly subscription
Free updates
Paid updates

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