{"statement_id":"st_b3435a81f542ad2f986f","subject":{"kind":"product","slug":"tuta-mail","name":"Tuta Mail","url":"https://sourcetier.com/products/tuta-mail"},"attribute":{"key":"mobile_app","label":"Mobile app (iOS or Android)","unit":null,"core":true},"scope":null,"region":null,"first_recorded_at":"2026-10-02T23:29:27.239Z","current":{"claim_id":"b2ea2364-324a-44e9-8c2b-43e1ef4e7569","value":true,"unit":null,"verification_state":"verified","confidence_recorded":71,"observed_on":"2026-10-03","recorded_at":"2026-10-02T23:29:27.239Z","ended_at":null,"ended_by":null,"superseded_by_claim_id":null,"withdrawal_reason":null,"valid_from":null,"extraction":"editorial:buying-guides-2026-10-03","reader":"editorial:buying-guides-2026-10-03","parser_version":null,"method":"Reviewed against the official documentation; the note records plan and platform limits.","excerpt":null,"sources":[{"url":"https://tuta.com/support/howto","tier":1,"type":"official_documentation","retrieved_on":"2026-10-03","role":"evidence"}]},"version_count":1,"versions":[{"claim_id":"b2ea2364-324a-44e9-8c2b-43e1ef4e7569","value":true,"unit":null,"verification_state":"verified","confidence_recorded":71,"observed_on":"2026-10-03","recorded_at":"2026-10-02T23:29:27.239Z","ended_at":null,"ended_by":null,"superseded_by_claim_id":null,"withdrawal_reason":null,"valid_from":null,"extraction":"editorial:buying-guides-2026-10-03","reader":"editorial:buying-guides-2026-10-03","parser_version":null,"method":"Reviewed against the official documentation; the note records plan and platform limits.","excerpt":null,"sources":[{"url":"https://tuta.com/support/howto","tier":1,"type":"official_documentation","retrieved_on":"2026-10-03","role":"evidence"}]}],"changes":[{"id":"104817","type":"documented","label":"First documented","material":true,"sentence":"Tuta Mail: Mobile app (iOS or Android) documented as yes (verified). A first finding of ours, not a change at the vendor.","noticed_at":"2026-10-02T23:29:27.239Z","subject":{"kind":"product","slug":"tuta-mail","name":"Tuta Mail"},"before":null,"after":{"value":true,"verification_state":"verified","confidence":71},"claim_id":"b2ea2364-324a-44e9-8c2b-43e1ef4e7569","statement_id":"st_b3435a81f542ad2f986f","corrected":null}],"page_url":"https://sourcetier.com/statements/st_b3435a81f542ad2f986f","contract":"A statement is the question a claim answers: one subject, one attribute, one scope and region. statement_id stays the same when a new value supersedes the old one, when we withdraw it and when two duplicate entities are merged (the old id then redirects). claim_id identifies one version. versions lists every version oldest first; ended_by is superseded, withdrawn or null for the current one. confidence_recorded is the confidence stored when that version was written, not a recomputation. unknown describes our research, never the product."}