Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Sync is one of the few third-party services to offer zero knowledge end-to-end encryption, which means that even the folks who run Sync's servers can't see your files.
Source: https://www.slashgear.com/1294315/best-icloud-alternatives-iphone-ipad/