alternative version; different version
Used for a variant of something, such as software, a document, a plan, or a creative work. Often implies a deliberate alternative rather than a random difference.
There is an alternative version of this app that you can use without ads.
I prepared a different version of the document for the meeting.
Compound of 別 (べつ, 'separate, different') and バージョン ('version'), a straightforward modern loanword compound.