The new versions of Numbers, Tangram, and Words apps (released in May of 2021) are now available on both Apple and Amazon app stores. The original versions are now titled 'Numbers Education', 'Tangram Education', and 'Words Education'.
Numbers (new version):
Numbers Education (original version):
Tangram (new version):
Tangram Education (original version):
Words (new version):
Words Education (original version):
Only the new versions of the apps have the word 'Genius' on the title screen ('Genius Numbers', 'Genius Tangram', 'Genius Words'), but both the new and the original versions are compatible with the Genius Numbers, Tangram, and Words tile sets, and there's no difference in the way the tiles are used.
The PDF manuals for both the original and the new versions are available on the Osmo Game Manuals page: