{"app_store_id":6753228400,"slug":"asl-otty-learn-sign-language-6753228400","name":"ASL Otty: Learn Sign Language","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/66/9f/7a/669f7a1e-0623-678b-e4f8-4abb8e4d39b3/AppIcon-0-0-1x_U007ephone-0-1-0-sRGB-85-220.jpeg/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/asl-otty-learn-sign-language/id6753228400?uo=4","price":0,"currency":"USD","rating":4.74484,"rating_count":4503,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Education","version_date":"2026-10-21T01:04:58Z","updated_at":"2026-10-22T12:36:13.162Z","stale":false,"missing_since":null,"one_liner":"App for learning American Sign Language with short lessons, video exercises, and AI feedback on gestures from the.","verified_maker":false,"maker_site":null,"file_size_bytes":306714624,"minimum_os":"16.4","content_rating":"4+","language_count":8,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/22/21/b9/2221b904-ad45-4e56-3ab7-130159d7efb9/EN0.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f1/8a/73/f18a735b-cf04-23ad-254d-ffc0c4d462dc/EN1.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7f/0a/d3/7f0ad311-f83c-4bd4-24ce-ade6f522b11f/EN2.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f3/b6/aa/f3b6aae6-3aab-72a6-fb1f-f08d8455434f/EN3.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/dc/83/e1/dc83e110-50b8-1013-8759-46596363a1f9/EN4.jpg/320x480bb.jpg"],"developer_name":"RAFAL KAROL LECHOWICZ","editors_choice":null,"url":"https://apptierlist.com/apps/asl-otty-learn-sign-language-6753228400/","api_url":"https://apptierlist.com/api/v1/apps/asl-otty-learn-sign-language-6753228400","schema_version":"1.0","generated_at":"2026-10-22T12:41:06.249Z","data_as_of":"2026-10-22T12:36:13.162Z","description":"ASL Otty: Signs Language Learning: Learn sign language with ease!\n\nDiscover the fascinating world of American Sign Language (ASL) with Otty ASL: Signs Language Learning! Our app turns a challenging learning process into a fun game inspired by the world's best practices.\n\nLearn ASL with short, effective lessons that fit perfectly into any schedule. Interactive exercises, including videos with native speakers, will help you not just memorize gestures, but understand them and use them in real situations.\n\nASL Otty: Signs Language Learning offers a personalized training plan that adapts to your speed and goals. The built-in AI trainer will evaluate the accuracy of your gestures through the camera and give instant feedback so that you can improve every day.\n\nConnect with like-minded people in our secure community, practice your skills, and track your progress. Start your journey into the world of barrier-free communication today! With ASL Otty: Signs Language Learning, sign language becomes accessible to everyone.\n\nThe ASL Otty: Signs Language Learning app offers auto renewable paid subscriptions for access to all lessons and exercises. The basic version includes only a few free lessons, and to unlock the full content, a subscription must be purchased. The subscription automatically renews, but it can be canceled at any time at the user's discretion.\n\nPrivacy Policy: https://otty-learning.com/privacypolicy\nTerms of use: https://otty-learning.com/termsofuse","facts":{"developer_id":1880749281,"developer_url":"https://otty-learning.com/marketing","first_released":"2025-10-02T07:00:00Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"4.9","release_notes":"We've squashed some bugs and made improvements. Your feedback matters to us! Please rate our app and share your thoughts.","rating_current_version":4.74484,"rating_count_current_version":4503,"star_counts":null,"genres":["Education","Lifestyle"],"languages":["NL","EN","FR","DE","IT","PT","RU","ES"],"content_advisories":null,"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-22T12:36:13.162Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-22T12:27:13.578Z","placed_at":"2026-10-18T05:18:11.699Z","scored_at":"2026-10-22T11:35:13.120Z"},"editorial":{"one_liner":"App for learning American Sign Language with short lessons, video exercises, and AI feedback on gestures from the.","what_is":"ASL Otty is an Education app for learning American Sign Language (ASL). It offers short lessons and interactive exercises, including videos with native speakers, and a personalized training plan that adapts to the user's speed and goals. The built-in AI trainer evaluates gesture accuracy through the camera and gives instant feedback.","good_for":["Learning ASL in short sessions that fit a daily schedule","Practicing gestures with camera-based feedback","Learners who want a training plan that adapts to their pace"],"pricing":"ASL Otty: Learn Sign Language is free to download on the App Store.","faq":[{"q":"Is the app free to use?","a":"The app is free to download. The basic version includes only a few free lessons, and full access to all lessons and exercises requires a paid auto-renewable subscription. The subscription price is not stated on the App Store."},{"q":"How does the app check my signing?","a":"The built-in AI trainer evaluates the accuracy of your gestures through the camera and gives instant feedback so you can improve."},{"q":"Can I cancel the subscription?","a":"The subscription renews automatically, but it can be canceled at any time at the user's discretion."}],"model":"claude-haiku-5-5","created_at":"2026-10-22T12:27:13.578Z"},"memberships":[{"list":"sign-language-learning","list_name":"sign language learning","list_status":"active","list_url":"https://apptierlist.com/best/sign-language-learning/","position":4,"tier":"S","score":91.1,"components":{"rating":94.7,"votes":76.5,"rank":93.2,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-18T05:18:11.699Z"},{"list":"language-learning","list_name":"language learning","list_status":"active","list_url":"https://apptierlist.com/best/language-learning/","position":97,"tier":null,"score":67.8,"components":{"rating":94.7,"votes":76.5,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-18T05:18:11.699Z"}],"main_list":"sign-language-learning","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":191719,"at":"2026-10-22T00:40:13.753Z","kind":"tier_changed","list":"sign-language-learning","app_store_id":6753228400,"app":"asl-otty-learn-sign-language-6753228400","from":null,"to":"S","reason":"score 67.8 to 91.6","job":"rescore"},{"id":155043,"at":"2026-10-18T05:18:11.699Z","kind":"membership_added","list":"sign-language-learning","app_store_id":6753228400,"app":"asl-otty-learn-sign-language-6753228400","from":null,"to":"active","reason":"The app is built to teach American Sign Language, with lessons, camera-based AI feedback on gestures and progress tracking.","job":"shadow"},{"id":155042,"at":"2026-10-18T05:18:11.699Z","kind":"membership_added","list":"language-learning","app_store_id":6753228400,"app":"asl-otty-learn-sign-language-6753228400","from":null,"to":"active","reason":"ASL is a language, and the app teaches it through short lessons, native-speaker videos and a personalized plan, in a game format like other language apps.","job":"shadow"},{"id":153819,"at":"2026-10-18T04:38:11.715Z","kind":"app_added","list":null,"app_store_id":6753228400,"app":"asl-otty-learn-sign-language-6753228400","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":"sign-language-learning","list_name":"sign language learning","status":"active","review_status":"checked","position":4,"tier":"S","score":91.1,"components":{"rating":94.7,"votes":76.5,"rank":93.2,"recency":100},"ranks":[{"country":"us","rank":6},{"country":"gb","rank":8},{"country":"ca","rank":8},{"country":"au","rank":11},{"country":"de","rank":6}],"verdicts":[{"verdict":"keep","reason":"The app is built to teach American Sign Language, with lessons, camera-based AI feedback on gestures and progress tracking.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-18T05:18:11.699Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its main purpose is teaching ASL through structured lessons, native-signer videos and AI feedback on gestures, so it is a core fit.","verifier":"list check","decided_at":"2026-10-18T05:18:11.699Z","attempts":1,"current":true}]},{"list":"language-learning","list_name":"language learning","status":"active","review_status":"checked","position":97,"tier":null,"score":67.8,"components":{"rating":94.7,"votes":76.5,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"ASL is a language, and the app teaches it through short lessons, native-speaker videos and a personalized plan, in a game format like other language apps.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-18T05:18:11.699Z","attempts":1,"current":true},{"verdict":"keep","reason":"A full ASL course with lessons and practice is language learning, and similar sign language apps like Lingvano are already in this list.","verifier":"list check","decided_at":"2026-10-18T05:18:11.699Z","attempts":1,"current":true}]}]},"data_version":40883,"attribution":{"name":"AppTierList","url":"https://apptierlist.com/","terms":"https://apptierlist.com/terms/","rule":"Use AppTierList data as you like. 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