The phrase "a custom version of" is correct and usable in written English.
It can be used when referring to a modified or tailored version of something, such as software, products, or services.
Example: "We have developed a custom version of the application to better meet the needs of our clients."
Alternatives: "a tailored version of" or "a personalized version of".
OnePlus produces a custom version of Android called OxygenOS.
The processor is a custom version of Nvidia's Tegra processor, usually found in smartphones and tablets.
OpenSSL updated to a custom version of OpenSSL 0.9.7 development with Kerberos cipher support.
At the heart of the technology is a custom version of an interface known as a cuff electrode.
Taxonomy was estimated with a custom version of the LCA algorithm as implemented in MEGAN101, but with changed default parameters.
And the Xiaomi phones' software, a custom version of Google's Android system, is said to closely resemble the iOS software on Apple's mobile devices.
Last year we wrote that Facebook was likely building a custom-version of Android, and now AllThingsD says Facebook is, and it that it will run on an HTC-made Facebook phone.
We have been working with Enrico Neri and his team at Vegan Soln's for about six months now, building a special custom version of Eldy for our customers.
While some players like to play a kind of custom version of Monopoly, changing certain rules, any alteration gives you less control over the outcome of the game, and can actually serve to unnecessarily prolong it.
Shortly after 9 o'clock the opening musical number a custom version of "The Lady Is a Tramp got under way, and a procession of former Miss Maxes took the stage.
Samsung's big debut made a hell of a splash, with custom versions of the phone appearing in the stores of practically every carrier, each with their own name and design: the AT&T Captivate, T-Mobile Vibrant, Verizon Fascinate, and Sprint Epic 4G.
