{"app_store_id":6447246237,"slug":"volume-booster-eq-amplifier-6447246237","name":"Volume Booster - EQ Amplifier","subtitle":"Bass Equalizer, Sound & Widget","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/09/73/2d/09732d32-363e-8ba9-841d-910cc5d7d77c/AppIcon-1x_U007emarketing-0-11-0-85-220-0.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/volume-booster-eq-amplifier/id6447246237?uo=4","price":0,"currency":"USD","rating":4.2976,"rating_count":7446,"in_app_purchases":true,"recent_rating":1.15,"recent_review_count":20,"reviews_checked_at":"2026-10-20T10:03:11.692Z","primary_genre":"Music","version_date":"2026-08-10T01:46:00Z","updated_at":"2026-10-20T10:03:11.692Z","stale":false,"missing_since":null,"one_liner":"Boosts phone and tablet volume for media, alarms and ringtones, with a 10-band equalizer and bass boost.","verified_maker":false,"maker_site":null,"file_size_bytes":245414912,"minimum_os":"15.6","content_rating":"4+","language_count":8,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/64/3d/73/643d7327-b1b9-7305-8fa0-e9fee3a201b8/cda02749-8db4-4e19-8ed8-8c4584bd9358_1.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/5e/7b/df/5e7bdfa7-5d5b-5f7d-7a53-17babef8a28f/aea9605a-e921-475e-a011-0d37b547d512_2.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/2e/b9/34/2eb93418-5279-de64-1fcf-844d32da24a9/d9b8d6a7-1cf6-4c7b-8cc7-351abd3c90c8_3.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/55/3c/7f/553c7f24-2b72-6b72-519c-7d4e720ed5b4/93193973-49a0-4bee-88b2-cf4f67b30dcb_4.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/3b/dc/35/3bdc35b9-1cad-9ac4-6128-88b4d4e22b86/b74400ba-69fc-437d-bf22-74443bb81b69_5.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/7f/ea/79/7fea7956-39b9-8712-872b-c2479b6ebb9d/3c3a470d-24e5-49fc-8a20-e264577c6fb3_6.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/c3/1b/fe/c31bfe86-8f7e-165b-921d-fe9ac5130402/de6a7106-d55d-4495-965e-632a607769dd_7.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/c8/41/e0/c841e03a-127f-61eb-01ff-0281fb442c4d/ce907a78-6fb6-4d9d-9cb7-0c1c561324d3_8.jpg/392x696bb.jpg"],"developer_name":"Nguye Thi Hien","editors_choice":false,"url":"https://apptierlist.com/apps/volume-booster-eq-amplifier-6447246237/","api_url":"https://apptierlist.com/api/v1/apps/volume-booster-eq-amplifier-6447246237","schema_version":"1.0","generated_at":"2026-10-21T12:09:58.368Z","data_as_of":"2026-10-21T02:46:12.731Z","description":"Volume booster is a simple, small but powerful app to boost volume of your phone and tablet to extra volume. Useful for movies, audio books, music and games.\nVolume booster can increase volume of all media, including music, video, ringtone, alarm volume and etc.\n\nBrilliant features of Volume Booster:\n- Bass booster & 3D virtualizer effect\n- 10-band Equalizer with 20+ preset effects\n- Enhance the volume without affecting the sound quality\n- A sound booster for headphones, Bluetooth & speakers\n- Wonderful visual sound spectrum\n- Pleasant stereo surround sound effects\n- Stylish & simple user interface\n- No root required\n\nNote: To get the best results, pair this app with your best headphones. If you don’t have a pair of headphones or if you want to use a speaker, you can still enjoy good music with our app. This is also a great speaker booster if you use a Bluetooth speaker to listen to music or if you use a good music system with a subwoofer.\n\nInformation about the auto-renewal of subscription:\n- Payment will be charged to iTunes Account at confirmation of purchase\n- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the period.\n- If you want to continue the service, your subscription should be continued.\n- Payment will be charged to iTunes Account at confirmation of purchase\n- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period\n- The account will be charged for renewal within 24-hours prior to the end of the current period.\n- There are 3 packages including: 1 week, 1 month and 1 year with the weekly package allowing a 3-day trial period. Once it expires, your subscription will automatically renew.\n\nThe following subscription plans are available (price may vary depending on location):\n– 1-week subscription with a 3-day trial version – US$ 4.99\n– 1-month subscription – US$ 9.99\n– 1-year subscription with a 3-day trial version – US$ 29.99\n\n- You can cancel your subscription via this URL:\nhttps://support.apple.com/en-us/HT202039\nPrivacy Policy: https://cemsoftwareltd.com/privacyPolicy.html\nTerms of Use: https://cemsoftwareltd.com/term.html\nSupport: https://cemsoftwareltd.com/contact.html","facts":{"developer_id":1669139765,"developer_url":"https://athenote-ddcb2.web.app","first_released":"2023-04-05T07:00:00Z","support_url":"https://athenote-ddcb2.web.app/contact-us.html","privacy_url":"https://athenote-ddcb2.web.app/contact-us.html","website_url":"https://athenote-ddcb2.web.app/","app_version":"1.4.4","release_notes":"+ Improve app","rating_current_version":4.2976,"rating_count_current_version":7446,"star_counts":[874,207,288,522,5544],"genres":["Music","Utilities"],"languages":["EN","FR","DE","PT","RU","ES","TR","VI"],"content_advisories":null,"device_families":["iphone","ipad","ipod"],"chart":{"name":"top-free Music","position":117}},"freshness":{"apple_read_at":"2026-10-20T10:03:11.692Z","catalog_read_at":"2026-10-18T20:14:11.554Z","reviews_checked_at":"2026-10-20T10:03:11.692Z","summary_written_at":"2026-10-17T18:41:13.400Z","placed_at":"2026-10-16T15:31:56.631Z","scored_at":"2026-10-21T02:46:12.731Z"},"editorial":{"one_liner":"Boosts phone and tablet volume for media, alarms and ringtones, with a 10-band equalizer and bass boost.","what_is":"Volume Booster - EQ Amplifier is a free Music app that increases the volume of a phone or tablet for media, including music, video, ringtones and alarms. It includes a 10-band equalizer with 20+ presets, a bass booster, a 3D virtualizer and a visual sound spectrum. No root access is required.","good_for":["Watching movies at low device volume","Listening to audio books or music through headphones or speakers","Raising alarm or ringtone volume"],"pricing":"Volume Booster - EQ Amplifier is free to download, with in-app purchases on the App Store.","faq":[{"q":"Does it require root access?","a":"No. No root is required."},{"q":"Does it cost money?","a":"The app is free to download. The description lists optional subscriptions: 1-week at US$ 4.99 with a 3-day trial, 1-month at US$ 9.99, and 1-year at US$ 29.99 with a 3-day trial. Prices may vary by location."},{"q":"Does it affect sound quality?","a":"It enhances volume without affecting sound quality. It also recommends pairing the app with headphones for the best results."}],"model":"claude-haiku-5-5","created_at":"2026-10-17T18:41:13.400Z"},"memberships":[{"list":"sound-amplification","list_name":"sound amplification","list_status":"draft","list_url":null,"position":null,"tier":null,"score":63.6,"components":{"rating":77.1,"votes":79.2,"rank":0,"recency":98.2},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"provisional","judged_at":"2026-10-16T15:31:56.631Z"},{"list":"audio-equalizer","list_name":"audio equalizer","list_status":"active","list_url":"https://apptierlist.com/best/audio-equalizer/","position":7,"tier":"A","score":85.7,"components":{"rating":77.1,"votes":79.2,"rank":88.4,"recency":98.2},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-16T15:31:56.631Z"},{"list":"audio-enhancement","list_name":"audio enhancement","list_status":"draft","list_url":null,"position":null,"tier":null,"score":63.6,"components":{"rating":77.1,"votes":79.2,"rank":0,"recency":98.2},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"provisional","judged_at":"2026-10-16T15:31:56.631Z"}],"main_list":"audio-equalizer","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":165878,"at":"2026-10-19T02:00:12.044Z","kind":"tier_changed","list":"audio-enhancement","app_store_id":6447246237,"app":"volume-booster-eq-amplifier-6447246237","from":"C","to":"D","reason":"rank shift: #15, score unchanged at 63.7, tier full (a quarter of the list)","job":"rescore"},{"id":132211,"at":"2026-10-16T16:56:01.295Z","kind":"tier_changed","list":"audio-enhancement","app_store_id":6447246237,"app":"volume-booster-eq-amplifier-6447246237","from":null,"to":"C","reason":"score 63.8","job":"rescore"},{"id":129761,"at":"2026-10-16T15:56:47.163Z","kind":"tier_changed","list":"audio-equalizer","app_store_id":6447246237,"app":"volume-booster-eq-amplifier-6447246237","from":null,"to":"A","reason":"score 80.3","job":"rescore"},{"id":128231,"at":"2026-10-16T15:31:56.631Z","kind":"membership_added","list":"sound-amplification","app_store_id":6447246237,"app":"volume-booster-eq-amplifier-6447246237","from":null,"to":"active","reason":"The app is built and named to boost phone volume beyond normal levels for all media, ringtone and alarm.","job":"shadow"},{"id":128230,"at":"2026-10-16T15:31:56.631Z","kind":"membership_added","list":"audio-equalizer","app_store_id":6447246237,"app":"volume-booster-eq-amplifier-6447246237","from":null,"to":"active","reason":"It has a 10-band equalizer with 20+ presets, and EQ is in the app title.","job":"shadow"},{"id":128229,"at":"2026-10-16T15:31:56.631Z","kind":"membership_added","list":"audio-enhancement","app_store_id":6447246237,"app":"volume-booster-eq-amplifier-6447246237","from":null,"to":"active","reason":"Bass booster, 3D virtualizer, surround effects and louder volume without hurting quality are core features.","job":"shadow"},{"id":118774,"at":"2026-10-16T03:49:51.804Z","kind":"app_added","list":null,"app_store_id":6447246237,"app":"volume-booster-eq-amplifier-6447246237","from":null,"to":null,"reason":"discovered","job":"import"}],"explain":{"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":63.6,"components":{"rating":77.1,"votes":79.2,"rank":0,"recency":98.2},"ranks":[],"verdicts":[{"verdict":"keep","reason":"The app is built and named to boost phone volume beyond normal levels for all media, ringtone and alarm.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-16T15:31:56.631Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its main purpose is boosting the phone's volume beyond normal levels for media, ringtones and alarms, which fits increasing the phone's loudness.","verifier":"list check","decided_at":"2026-10-16T15:31:56.631Z","attempts":1,"current":true}]},{"list":"audio-equalizer","list_name":"audio equalizer","status":"active","review_status":"checked","position":7,"tier":"A","score":85.7,"components":{"rating":77.1,"votes":79.2,"rank":88.4,"recency":98.2},"ranks":[{"country":"us","rank":11},{"country":"gb","rank":15},{"country":"ca","rank":20},{"country":"au","rank":9},{"country":"de","rank":8}],"verdicts":[{"verdict":"keep","reason":"It has a 10-band equalizer with 20+ presets, and EQ is in the app title.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-16T15:31:56.631Z","attempts":1,"current":true},{"verdict":"keep","reason":"It includes a 10-band equalizer with 20+ presets as a headline feature, so it is more than a simple boost button.","verifier":"list check","decided_at":"2026-10-16T15:31:56.631Z","attempts":1,"current":true}]},{"list":"audio-enhancement","list_name":"audio enhancement","status":"active","review_status":"checked","position":null,"tier":null,"score":63.6,"components":{"rating":77.1,"votes":79.2,"rank":0,"recency":98.2},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Bass booster, 3D virtualizer, surround effects and louder volume without hurting quality are core features.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-16T15:31:56.631Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core purpose is making phone audio louder and richer, using bass boost, a 3D virtualizer, an equalizer and surround effects.","verifier":"list check","decided_at":"2026-10-16T15:31:56.631Z","attempts":1,"current":true}]}]},"data_version":39882,"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/apps/volume-booster-eq-amplifier-6447246237/"}}