{"schema_version":"1.0","generated_at":"2026-10-22T01:33:39.948Z","app":{"app_store_id":6739271539,"slug":"issen-voice-tutor-6739271539","name":"ISSEN - Voice Tutor","subtitle":"Learn English, Spanish & More","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/25/66/51/256651ee-ff88-aa9a-10b0-2dede3104088/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/issen-voice-tutor/id6739271539?uo=4","price":0,"currency":"USD","rating":4.70809,"rating_count":3203,"in_app_purchases":true,"recent_rating":3.67,"recent_review_count":15,"reviews_checked_at":"2026-10-19T20:50:11.591Z","primary_genre":"Education","version_date":"2026-10-17T10:23:31Z","updated_at":"2026-10-21T14:21:14.248Z","stale":false,"missing_since":null,"one_liner":"Realtime AI voice tutor for practicing spoken language, with grammar lessons, vocabulary review and flashcards.","verified_maker":false,"maker_site":null,"file_size_bytes":140179456,"minimum_os":"15.0","content_rating":"12+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/70/78/7b/70787b42-bb41-8143-d021-f2643290feb1/Splash_Screen.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b1/4e/23/b14e237d-54fe-168c-3212-3935b7074150/iOS_App_Store_Screenshot_I_6.9_-2.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a7/0b/4d/a70b4d2d-23a4-89d7-0fd0-052d47c5eaec/iOS_App_Store_Screenshot_I_6.9_.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d8/47/0b/d8470b98-2dd6-6096-7e0e-668bf02cd40f/iOS_App_Store_Screenshot_I_6.9_-1.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bd/82/8e/bd828e0a-e0fe-b2d5-a87e-6821bfe5d03b/iOS_App_Store_Screenshot_I_6.9_-4.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/21/07/9b/21079bc6-8b4c-0cdb-bffe-4fda9e8975b1/iOS_App_Store_Screenshot_I_6.9_-3.png/320x480bb.jpg"],"developer_name":"Issen, Inc.","editors_choice":false,"url":"https://apptierlist.com/apps/issen-voice-tutor-6739271539/","api_url":"https://apptierlist.com/api/v1/apps/issen-voice-tutor-6739271539"},"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":"language-tutoring","list_name":"language tutoring","status":"active","review_status":"checked","position":9,"tier":"A","score":87,"components":{"rating":93.1,"votes":78.5,"rank":76.4,"recency":100},"ranks":[{"country":"us","rank":23},{"country":"gb","rank":34},{"country":"ca","rank":34},{"country":"au","rank":24},{"country":"de","rank":8}],"verdicts":[{"verdict":"keep","reason":"It is a realtime AI voice tutor that holds conversations in the target language, with tutor personalities, accents and levels, role-play, and grammar practice.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T02:15:11.916Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core is a realtime AI voice tutor that holds conversations in many languages, with tailored curriculum and grammar practice. It is purpose-built for tutoring, not a general chatbot.","verifier":"list check","decided_at":"2026-10-19T02:15:11.916Z","attempts":1,"current":true}]},{"list":"language-learning","list_name":"language learning","status":"active","review_status":"checked","position":95,"tier":null,"score":67.9,"components":{"rating":93.1,"votes":78.5,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"It is built to help users reach fluency in 50+ languages, with grammar lessons, vocabulary, a customized curriculum and conversation practice.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T02:15:11.916Z","attempts":1,"current":true},{"verdict":"keep","reason":"A dedicated language learning app for over 50 languages, combining speaking practice with grammar lessons, vocabulary and drills.","verifier":"list check","decided_at":"2026-10-19T02:15:11.916Z","attempts":1,"current":true}]}],"history":[{"id":166272,"at":"2026-10-19T02:31:11.542Z","kind":"tier_changed","list":"language-tutoring","app_store_id":6739271539,"app":"issen-voice-tutor-6739271539","from":null,"to":"A","reason":"score 87.3","job":"rescore"},{"id":166045,"at":"2026-10-19T02:15:11.916Z","kind":"membership_added","list":"language-tutoring","app_store_id":6739271539,"app":"issen-voice-tutor-6739271539","from":null,"to":"active","reason":"It is a realtime AI voice tutor that holds conversations in the target language, with tutor personalities, accents and levels, role-play, and grammar practice.","job":"shadow"},{"id":166044,"at":"2026-10-19T02:15:11.916Z","kind":"membership_added","list":"language-learning","app_store_id":6739271539,"app":"issen-voice-tutor-6739271539","from":null,"to":"active","reason":"It is built to help users reach fluency in 50+ languages, with grammar lessons, vocabulary, a customized curriculum and conversation practice.","job":"shadow"},{"id":159886,"at":"2026-10-18T07:42:11.903Z","kind":"app_added","list":null,"app_store_id":6739271539,"app":"issen-voice-tutor-6739271539","from":null,"to":null,"reason":"discovered","job":"import"}],"data_version":40456,"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/"}}