This version number is the current version number of AnkiApp, which is not part of the Anki ecosystem.
https://faqs.ankiweb.net/anki-knockoffs.html
The official client for iOS: AnkiMobile Flashcards on the App Store
The client for Android (however a separate project): AnkiDroid, https://play.google.com/store/apps/details?id=com.ichi2.anki