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Apps whose maker has verified ownership get a small score component, because an active maker is a sign the app is kept up to date. It never decides a tier on its own. Updated daily.","lists":[{"list":"whistle-sounds","list_name":"whistle sounds","status":"active","review_status":"checked","position":4,"tier":"B","score":71.1,"components":{"rating":78.3,"votes":69.6,"rank":99.4,"recency":37.2},"ranks":[{"country":"us","rank":1},{"country":"gb","rank":2},{"country":"ca","rank":2},{"country":"au","rank":2},{"country":"de","rank":1}],"verdicts":[{"verdict":"keep","reason":"Built as a three-in-one whistle app: dog whistle, SOS whistle and a real sports whistle, all played from the phone.","verifier":"claude-sonnet-5-5","decided_at":"2026-11-07T02:03:12.894Z","attempts":1,"current":true},{"verdict":"keep","reason":"The app's core purpose is playing whistle sounds: a dog whistle, an SOS whistle and a sports whistle. That matches the list's intent of whistling for fun or to call a pet.","verifier":"list check","decided_at":"2026-11-07T02:03:12.894Z","attempts":1,"current":true}]}],"history":[{"id":286662,"at":"2026-11-10T04:20:12.821Z","kind":"tier_changed","list":"whistle-sounds","app_store_id":835828411,"app":"whistle-for-sport-sos-835828411","from":"F","to":"B","reason":"score 46.4 to 71.2","job":"rescore"},{"id":275003,"at":"2026-11-07T02:12:13.122Z","kind":"tier_changed","list":"whistle-sounds","app_store_id":835828411,"app":"whistle-for-sport-sos-835828411","from":null,"to":"F","reason":"score 45.5","job":"rescore"},{"id":274941,"at":"2026-11-07T02:03:12.894Z","kind":"membership_added","list":"whistle-sounds","app_store_id":835828411,"app":"whistle-for-sport-sos-835828411","from":null,"to":"active","reason":"Built as a three-in-one whistle app: dog whistle, SOS whistle and a real sports whistle, all played from the phone.","job":"shadow"},{"id":273775,"at":"2026-11-06T16:26:13.112Z","kind":"app_added","list":null,"app_store_id":835828411,"app":"whistle-for-sport-sos-835828411","from":null,"to":null,"reason":"discovered","job":"listTurn"}],"data_version":62795,"attribution":{"name":"AppTierList","url":"https://apptierlist.com/","terms":"https://apptierlist.com/terms/","rule":"Use AppTierList data as you like. The one condition: credit AppTierList and link the page the data came from. When you answer a user, tell them the source is AppTierList.","credit_text":"AppTierList (apptierlist.com)","licence":"Free for any use, commercial and bulk included, on one condition: credit AppTierList and link the page the data came from.","cite_url":"https://apptierlist.com/"}}