{"schema_version":"1.0","generated_at":"2026-10-22T07:34:58.619Z","app":{"app_store_id":1470850192,"slug":"sound-amplifier-volume-boost-1470850192","name":"Sound Amplifier | Volume Boost","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/d7/ec/e4/d7ece4e6-d743-50ff-eef8-fbd04792b444/AppIcon-1x_U007epad-0-1-0-85-220-0.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/sound-amplifier-volume-boost/id1470850192?uo=4","price":0,"currency":"USD","rating":4.49184,"rating_count":2328,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Health & Fitness","version_date":"2026-05-01T18:37:58Z","updated_at":"2026-10-20T22:58:12.759Z","stale":false,"missing_since":null,"one_liner":"Audio amplifier with volume boost presets, music enhancement, hearing checks, and live listen and record features.","verified_maker":false,"maker_site":null,"file_size_bytes":35837952,"minimum_os":"14.0","content_rating":"4+","language_count":16,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b9/6a/b1/b96ab1dd-b4c3-4e32-9dc1-c1907056fd70/1b841e30-c43d-4439-8d3a-4c4d3c0e6275_5.5_1.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/72/c6/13/72c6134d-df84-77b8-08f7-6ae068aa91d7/9a3593e5-a4e7-441c-9949-f569e76b5c19_5.5_2.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e3/e9/cc/e3e9ccfa-cd1d-67af-c680-919966be7316/d0d3a9ee-0ebd-4617-99c0-abb0ccd839bc_5.5_3.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b6/04/7c/b6047c10-adb2-8249-14a8-60b4aec70ea2/d22fec04-18a5-451e-954b-bd9d8c901c6d_5.5_4.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/eb/64/c9/eb64c970-74ad-0ada-96c2-1278d4d61f13/bfe436b0-0cb0-4e86-99ca-5286e641ebc0_5.5_5.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a6/89/a4/a689a4f8-9528-552c-bd7d-67a0934ad042/017fdacf-a13a-4a34-a2ce-dac4cbe1f8a1_5.5_6.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6a/7b/87/6a7b8713-fc41-36c4-bd35-f862b6acfab2/05b5c7a1-907f-4796-891f-e7b9e183ee11_5.5_7.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d2/c6/ee/d2c6ee71-d365-2164-d380-ecb3d43e0a5f/b3fcfa82-c090-435c-a2b0-1fef20fcf257_5.5_8.jpg/392x696bb.jpg"],"developer_name":"Irakli Tsuladze","editors_choice":null,"url":"https://apptierlist.com/apps/sound-amplifier-volume-boost-1470850192/","api_url":"https://apptierlist.com/api/v1/apps/sound-amplifier-volume-boost-1470850192"},"method":"Membership is decided by a model judging the App Store listing against the list's definition (and its excludes, for memberships placed or rechecked since they were added to the prompt); every verdict is listed with its date; the score is a plain average of the public components an app has (four, plus Apple's Editors' Choice badge as 100 where shown); nothing is purchasable.","lists":[{"list":"sound-amplification","list_name":"sound amplification","status":"active","review_status":"checked","position":null,"tier":null,"score":59.1,"components":{"rating":80.8,"votes":74.2,"rank":0,"recency":81.5},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Title and description center on a louder volume boost, up to 10x, with amplification presets.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T14:40:11.913Z","attempts":1,"current":true},{"verdict":"keep","reason":"Amplifying quiet sounds and voices up to 10x is the app's main function, which matches this list exactly.","verifier":"list check","decided_at":"2026-10-19T14:40:11.913Z","attempts":1,"current":true}]},{"list":"hearing-assistance","list_name":"hearing assistance","status":"active","review_status":"checked","position":13,"tier":"B","score":83.2,"components":{"rating":80.8,"votes":74.2,"rank":96.4,"recency":81.6},"ranks":[{"country":"us","rank":8},{"country":"gb","rank":4},{"country":"au","rank":6},{"country":"ca","rank":2},{"country":"de","rank":3}],"verdicts":[{"verdict":"keep","reason":"It is marketed to enhance hearing, with hearing profiles, a hearing test, noise reduction for speech clarity, and live transcription.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T14:40:11.913Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core purpose is helping users hear better: live listening through earphones, noise reduction for speech, personal hearing profiles and transcription.","verifier":"list check","decided_at":"2026-10-19T14:40:11.913Z","attempts":1,"current":true}]},{"list":"audio-enhancement","list_name":"audio enhancement","status":"active","review_status":"checked","position":null,"tier":null,"score":59.1,"components":{"rating":80.8,"votes":74.2,"rank":0,"recency":81.5},"ranks":[],"verdicts":[{"verdict":"keep","reason":"secondary","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T14:40:11.913Z","attempts":1,"current":true},{"verdict":"keep","reason":"It boosts volume and improves music in other music apps, with custom EQ export. That is enhancing audio on the phone, not just a slider or a mic-to-speaker boost.","verifier":"list check","decided_at":"2026-10-19T14:40:11.913Z","attempts":1,"current":true}]}],"history":[{"id":184604,"at":"2026-10-20T06:45:11.894Z","kind":"tier_changed","list":"hearing-assistance","app_store_id":1470850192,"app":"sound-amplifier-volume-boost-1470850192","from":"D","to":"B","reason":"rank shift: #13, score 83.3, tier full (a quarter of the list)","job":"rescore"},{"id":177758,"at":"2026-10-19T14:41:11.700Z","kind":"tier_changed","list":"audio-enhancement","app_store_id":1470850192,"app":"sound-amplifier-volume-boost-1470850192","from":null,"to":"D","reason":"score 59.1","job":"rescore"},{"id":177722,"at":"2026-10-19T14:41:11.700Z","kind":"tier_changed","list":"hearing-assistance","app_store_id":1470850192,"app":"sound-amplifier-volume-boost-1470850192","from":null,"to":"D","reason":"score 59.1","job":"rescore"},{"id":177676,"at":"2026-10-19T14:40:11.913Z","kind":"membership_added","list":"sound-amplification","app_store_id":1470850192,"app":"sound-amplifier-volume-boost-1470850192","from":null,"to":"active","reason":"Title and description center on a louder volume boost, up to 10x, with amplification presets.","job":"shadow"},{"id":177675,"at":"2026-10-19T14:40:11.913Z","kind":"membership_added","list":"hearing-assistance","app_store_id":1470850192,"app":"sound-amplifier-volume-boost-1470850192","from":null,"to":"active","reason":"It is marketed to enhance hearing, with hearing profiles, a hearing test, noise reduction for speech clarity, and live transcription.","job":"shadow"},{"id":177674,"at":"2026-10-19T14:40:11.913Z","kind":"membership_added","list":"audio-enhancement","app_store_id":1470850192,"app":"sound-amplifier-volume-boost-1470850192","from":null,"to":"active","reason":"secondary","job":"shadow"},{"id":172060,"at":"2026-10-19T06:49:12.515Z","kind":"app_added","list":null,"app_store_id":1470850192,"app":"sound-amplifier-volume-boost-1470850192","from":null,"to":null,"reason":"discovered","job":"import"}],"data_version":40680,"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/"}}