{"app_store_id":1274499822,"slug":"math-24-mental-math-cards-1274499822","name":"Math 24 - Mental Math Cards","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/14/f7/9a/14f79a92-cb97-3dd0-ab49-a056314027c2/AppIcon-1x_U007emarketing-0-8-0-85-220-0.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/math-24-mental-math-cards/id1274499822?uo=4","price":0,"currency":"USD","rating":4.66958,"rating_count":2173,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Games","version_date":"2025-12-01T23:15:59Z","updated_at":"2026-10-21T02:04:12.985Z","stale":false,"missing_since":null,"one_liner":"Puzzle game where you combine four numbers into 24 using addition, subtraction, multiplication and division.","verified_maker":false,"maker_site":null,"file_size_bytes":34720768,"minimum_os":"10.0","content_rating":"4+","language_count":33,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/75/9c/c9/759cc901-dd5a-33cf-d90a-fb3652722047/650af90d-ac89-42cd-a49c-340527ec4b1f_en-5.5.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple116/v4/fe/6d/60/fe6d603f-8b25-41ce-9cae-8f9d80579931/5314ed23-9d79-4e30-8c82-5ec63fd0aafd_en-5.5-2.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/1b/f2/2d/1bf22d9b-3a63-54a4-f42c-61a2197c814a/4228ba2f-6bf5-410e-8322-035e7ce38ecf_en-5.5-3.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple126/v4/fe/40/97/fe409750-c48b-18e1-4f32-dadd74a58c7e/6df87b61-3516-4fc0-9658-a82c19c2f529_en-5.5-4.png/392x696bb.png"],"developer_name":"Peikun Duan","editors_choice":null,"url":"https://apptierlist.com/apps/math-24-mental-math-cards-1274499822/","api_url":"https://apptierlist.com/api/v1/apps/math-24-mental-math-cards-1274499822","schema_version":"1.0","generated_at":"2026-10-21T05:22:14.645Z","data_as_of":"2026-10-21T05:05:13.887Z","description":"Math 24 - Mental Math Cards is a classical math puzzle game. The game is designed to help people of all skill levels improve their arithmetic abilities and mental math skills. Elementary school students can also play it. But you may not solve some questions even you are a graduate student!\n\n■ How To Play\nThe rules are simple. Combine 4 numbers into 24 by addition(+), subtraction(-), multiplication(×) and division(÷). For example, try to use these 4 numbers: 2048 to make 24. The answer is (2+0)×(4+8)=24. The question is easy, but some questions are much more difficult. You can try this: 6 6 5 9 to make 24. \n\n■ Stage Mode\n15 stages and 300 well designed levels in total. The stages are from \"Baby\" to \"King of Math\", from easy to difficult. Touch the help button at the top-right corner if you can't solve a question. There are 3 chances to use help button in each stage.\n\n■ Speed Mode\n10 random questions! Make 24 as fast as you can! Touch the garbage can button at the top-right corner to change a question. There are 3 chances to change a question in each game.\n\n■ Game Center\n\"Math 24\" is fully integrated with Game Center - providing both Leaderboards and Achievements. The Game Center features allow you to test your skills against the rest of the world and to share your scores and accomplishments with friends.\n\n■ Features\n- Well-designed levels\n- Best user experience and graphics\n- Exciting speed mode\n\n■ The App is suitable for you\n- If you like sudoku, brain training, math game or puzzle game.\n- If you want to play with friends or family.\n- If you want to improve you math skills, especially the mental math skills.\n\nHave fun!","facts":{"developer_id":1240254007,"developer_url":null,"first_released":"2017-08-30T21:26:15Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"3.1.0","release_notes":"Fix bugs and improve user experience.","rating_current_version":4.66958,"rating_count_current_version":2173,"star_counts":null,"genres":["Games","Trivia","Puzzle","Education"],"languages":["AR","HY","CA","CS","DA","NL","EN","FI","FR","DE","EL","HE","HU","ID","IT","JA","KO","MS","NB","FA","PL","PT","RO","RU","ZH","SK","ES","SV","TH","ZH","TR","UK","VI"],"content_advisories":null,"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-21T02:04:12.985Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-20T01:48:11.538Z","placed_at":"2026-10-20T01:19:11.528Z","scored_at":"2026-10-21T05:05:13.887Z"},"editorial":{"one_liner":"Puzzle game where you combine four numbers into 24 using addition, subtraction, multiplication and division.","what_is":"Math 24: Mental Math Cards is a classical math puzzle game designed for players of all skill levels, including elementary school students. It offers Stage Mode with 15 stages and 300 levels, and Speed Mode with 10 random questions. The app is integrated with Game Center for leaderboards and achievements.","good_for":["Practicing mental arithmetic with four-number puzzles","Playing with friends or family through Game Center leaderboards","Progressing from easy to difficult levels in Stage Mode"],"pricing":"Math 24 - Mental Math Cards is free to download on the App Store.","faq":[{"q":"Is the app free?","a":"It is free to download. No in-app purchases are listed on the App Store page."},{"q":"How is the content structured?","a":"Stage Mode has 15 stages and 300 levels, from Baby to King of Math. Speed Mode gives 10 random questions. Each stage allows 3 uses of the help button, and each Speed Mode game allows 3 question changes."},{"q":"Does it include social or achievement features?","a":"Yes. The app is fully integrated with Game Center, providing Leaderboards and Achievements so you can compare scores and share accomplishments with friends."}],"model":"claude-haiku-5-5","created_at":"2026-10-20T01:48:11.538Z"},"memberships":[{"list":"math-puzzles","list_name":"math puzzles","list_status":"active","list_url":"https://apptierlist.com/best/math-puzzles/","position":13,"tier":"C","score":68.4,"components":{"rating":93.4,"votes":73.6,"rank":49.6,"recency":56.9},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-20T01:19:11.528Z"},{"list":"math-games","list_name":"math games","list_status":"active","list_url":"https://apptierlist.com/best/math-games/","position":53,"tier":null,"score":56,"components":{"rating":93.4,"votes":73.6,"rank":0,"recency":56.8},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-20T01:19:11.528Z"}],"main_list":"math-puzzles","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":187774,"at":"2026-10-21T02:30:12.696Z","kind":"tier_changed","list":"math-puzzles","app_store_id":1274499822,"app":"math-24-mental-math-cards-1274499822","from":"D","to":"C","reason":"score 55.9 to 68.4","job":"rescore"},{"id":181022,"at":"2026-10-20T01:42:11.547Z","kind":"tier_changed","list":"math-puzzles","app_store_id":1274499822,"app":"math-24-mental-math-cards-1274499822","from":null,"to":"D","reason":"score 55.9","job":"rescore"},{"id":180313,"at":"2026-10-20T01:19:11.528Z","kind":"membership_added","list":"math-puzzles","app_store_id":1274499822,"app":"math-24-mental-math-cards-1274499822","from":null,"to":"active","reason":"Core gameplay is a math puzzle: combine 4 numbers with operations to make 24, across 300 levels.","job":"shadow"},{"id":180312,"at":"2026-10-20T01:19:11.528Z","kind":"membership_added","list":"math-games","app_store_id":1274499822,"app":"math-24-mental-math-cards-1274499822","from":null,"to":"active","reason":"Classic math game that builds arithmetic skills through stage and speed modes.","job":"shadow"},{"id":174486,"at":"2026-10-19T09:27:11.597Z","kind":"app_added","list":null,"app_store_id":1274499822,"app":"math-24-mental-math-cards-1274499822","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":"math-puzzles","list_name":"math puzzles","status":"active","review_status":"checked","position":13,"tier":"C","score":68.4,"components":{"rating":93.4,"votes":73.6,"rank":49.6,"recency":56.9},"ranks":[{"country":"us","rank":37},{"country":"ca","rank":48},{"country":"au","rank":50}],"verdicts":[{"verdict":"keep","reason":"Core gameplay is a math puzzle: combine 4 numbers with operations to make 24, across 300 levels.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-20T01:19:11.528Z","attempts":1,"current":true},{"verdict":"keep","reason":"The classic 24 puzzle: the player builds an equation from given numbers to reach the answer, which matches this list exactly.","verifier":"list check","decided_at":"2026-10-20T01:19:11.528Z","attempts":1,"current":true}]},{"list":"math-games","list_name":"math games","status":"active","review_status":"checked","position":53,"tier":null,"score":56,"components":{"rating":93.4,"votes":73.6,"rank":0,"recency":56.8},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Classic math game that builds arithmetic skills through stage and speed modes.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-20T01:19:11.528Z","attempts":1,"current":true},{"verdict":"keep","reason":"A game for practicing arithmetic and mental math: combine four numbers into 24, with stages and a speed mode. 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