Viktor Petrov

Lead APK Reviewer

Viktor Petrov is the Lead APK Reviewer for this site. Every Jojo AI build that appears behind our download button is installed and tested by Viktor on real Android phones first, never on an emulator alone.

His checks follow the full path a user takes: downloading the exact file from this page, installing it on each test phone, reviewing every permission the app requests, and then using the chat and roleplay features the way a regular user would.

Viktor also re-tests new versions before the download button changes, so the version and install steps described on this site always match the file you actually get.

What Viktor checks on every app

Install test of the exact download file on every test phone
Every permission the app requests, reviewed one by one
Sign-up and first-chat flow, tested end to end
Performance, battery and storage use during real chat sessions
Re-test of every new version before the download button changes

See how every app on this site is checked before it is offered for download: How We Review