{"app_store_id":1532397340,"slug":"killer-sudoku-brain-games-1532397340","name":"Killer Sudoku - Brain Games","subtitle":"Board puzzles for mindfulness","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/85/6e/f3/856ef397-cb23-ff2b-6e41-f2f3d11ed4bc/AppIcon-0-0-1x_U007emarketing-0-8-0-sRGB-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/killer-sudoku-brain-games/id1532397340?uo=4","price":0,"currency":"USD","rating":4.65958,"rating_count":26659,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":"2026-10-16T06:57:49.451Z","primary_genre":"Games","version_date":"2026-09-24T17:00:24Z","updated_at":"2026-10-20T14:08:11.531Z","stale":false,"missing_since":null,"one_liner":"Sudoku number puzzle game with 4 difficulty levels, daily challenges, hints, pencil mode and themes.","verified_maker":false,"maker_site":null,"file_size_bytes":265218048,"minimum_os":"15.0","content_rating":"4+","language_count":60,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/5d/97/d8/5d97d835-d303-6fe4-a0bc-1cc2b2478071/278d59b4-153d-45b5-9f8d-06bc7e7acb99_1.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/35/2a/c2/352ac207-8da4-6c63-4599-05acceb2fafc/f971c3ab-539a-44e0-aa93-16d5130e23a1_5.5-1.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource112/v4/e1/1a/56/e11a5634-a177-f399-d62e-c7421c8e911a/69e8d58b-5797-42b4-bb6e-d4c5b778cdc6_3.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/86/16/63/861663c6-e7a7-8a5b-6162-4b24e959fa4c/ec714c08-6e57-4540-af01-62f075ce2308_5.5-2.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/7f/01/a3/7f01a323-0527-bfb2-f4e3-c34fcdb7e72d/8fc9b288-130b-46f3-b343-7f07b811316d_5.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/be/fd/47/befd4794-5e79-ec41-ee6f-e38b6d109687/94e6e512-fac6-470a-978a-9442549da280_6.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource122/v4/72/44/31/724431dd-c0bf-b174-2b08-fe7056274135/cad7d5af-7af6-48ae-a0b9-9263ef22dcb7_7.png/392x696bb.png"],"developer_name":"OAKEVER GAMES PTE. LTD.","editors_choice":false,"url":"https://apptierlist.com/apps/killer-sudoku-brain-games-1532397340/","api_url":"https://apptierlist.com/api/v1/apps/killer-sudoku-brain-games-1532397340","schema_version":"1.0","generated_at":"2026-10-22T00:03:21.684Z","data_as_of":"2026-10-21T23:38:12.782Z","description":"Sudoku Free Puzzle Game is a welcomed and addictive Brain Sudoku puzzle game on App Store. You can download Sudoku free app for your iPhone. You get  5000+ challenging Sudoku puzzles everyday to one true solution. Killer Sudoku the best puzzle game for your brain, logical thinking, memory, and A GOOD TIME KILLER!\n\nKiller Sudoku is a logic-based number puzzle game and the goal is to place 1 to 9 digit numbers into each grid cell so that each number can only appear once in each row, each column and each mini-grid. With our Sudoku puzzle app, you can not only enjoy sudoku games anytime anywhere, but also learn Sudoku techniques from it.\n\nKey Features\n1. Sudoku puzzles come in 4 difficulty levels - easy Sudoku, medium Sudoku, hard Sudoku and expert Sudoku! Perfect for Sudoku beginners and advanced players!\n2. Daily Challenges - Complete Daily Challenges and collect trophies.\n3. Pencil Mode - Turn on / off pencil mode as you like.\n4. Highlight Duplicates - to avoid repeating numbers in a row, column and block.\n5. Intelligent Hints - guide you through the numbers when you get stuck\n6. Themes - Choose the theme that makes it easier for your eyes.\n7. Long press to fill quickly\n\nOn this Brain Sudoku free app, you are also able to\n1. Turn on / off sound effects\n2. Turn on / off Highlight identical numbers\n3. Auto remove notes from all columns, rows and blocks once the number is placed\n4. Unlimited undo & redo\n5. Auto-save-Pause the game and resume the game without losing any progress\n6. Sudoku online & Sudoku offline\n\nYou may also find the following Brain Sudoku features useful\n1. You can share to your friends via Google+, Facebook, Twitter etc..\n2. Use dark mode to protect your eyes\n3. Turn on / off timer when you play the sudoku puzzle\n4. 100 new sudoku puzzles every week.\n5. New types of Sudoku puzzles, like Killer sudoku, letter Sudoku, will be available.\n6. Good gameplay\n7. Intuitive interface\n8. Easy tools, easy control\n9. Clear layout\n\n\nOur free Sudoku puzzle app has intuitive interface, easy control, clear layout and well balanced difficulty levels for beginners and advanced players. It’s not only a good time killer but also helps you think, makes you more logical and have better memory.\n\nWhen you first open our Sudoku app, you see a guide tour teaching you how to play Sudoku and when you open the puzzle game app for the 100th time, you can see yourself a Sudoku master and a great Sudoku solver. You’d be able to play any web sudoku fast. Come to our Kingdom of Sudoku and keep your mind sharp.\n\nIf you have any idea for our Sudoku puzzle game app, or if you have any question about Sudoku and you want to discuss with us, please send us emails at support@oakevergames.com. We are always here for you.\n\nPrivacy Policy: https://oakevergames.com/pp.html\nTerms of Service: https://oakevergames.com/tos.html\nEULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula","facts":{"developer_id":1658671470,"developer_url":"https://oakevergames.com","first_released":"2020-09-27T07:00:00Z","support_url":"https://oakevergames.com/","privacy_url":"https://oakevergames.com/pp.html","website_url":"https://oakevergames.com/","app_version":"3.6.6","release_notes":"- Bug fixes and performance improvements.","rating_current_version":4.65958,"rating_count_current_version":26659,"star_counts":[339,293,1333,4174,20513],"genres":["Games","Board","Utilities","Puzzle"],"languages":["AF","AM","AR","AZ","BE","BN","BS","KM","CA","HR","CS","DA","NL","EN","FI","FR","DE","EL","GU","HE","HI","HU","IS","IT","JA","KN","KK","KO","LO","LT","MK","MS","ML","MR","MN","NE","NB","FA","PL","PT","PA","RO","RU","SR","ZH","SI","SK","SL","ES","SW","SV","TA","TE","TH","ZH","TR","UK","UR","UZ","VI"],"content_advisories":null,"device_families":["iphone","ipad","ipod"],"chart":null},"freshness":{"apple_read_at":"2026-10-20T14:08:11.531Z","catalog_read_at":"2026-10-19T00:04:11.586Z","reviews_checked_at":"2026-10-16T06:57:49.451Z","summary_written_at":"2026-10-14T07:26:53.700Z","placed_at":"2026-10-14T02:49:49.158Z","scored_at":"2026-10-21T23:38:12.782Z"},"editorial":{"one_liner":"Sudoku number puzzle game with 4 difficulty levels, daily challenges, hints, pencil mode and themes.","what_is":"Killer Sudoku is a logic-based number puzzle game in which the player places numbers 1 to 9 into grid cells so each number appears once per row, column and mini-grid. It offers puzzles at easy, medium, hard and expert levels, plus daily challenges, pencil mode, duplicate highlighting, hints and auto-save. It also says it works both online and offline.","good_for":["Playing Sudoku puzzles at beginner or advanced difficulty","Daily puzzle practice with trophies as rewards","Pausing and resuming puzzles without losing progress"],"pricing":"Killer Sudoku - Brain Games is free to download, with in-app purchases on the App Store.","faq":[{"q":"Is the app free to download?","a":"Yes. The listing shows the price as free."},{"q":"Does it work without an internet connection?","a":"The description says the app offers Sudoku online and Sudoku offline. It does not describe how each mode differs."},{"q":"Does it have hints and undo?","a":"It has intelligent hints that guide the player when stuck, and unlimited undo and redo."}],"model":"claude-haiku-5-5","created_at":"2026-10-14T07:26:53.700Z"},"memberships":[{"list":"sudoku","list_name":"sudoku","list_status":"active","list_url":"https://apptierlist.com/best/sudoku/","position":20,"tier":"A","score":82.4,"components":{"rating":92.8,"votes":85.3,"rank":51.6,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-14T02:49:49.158Z"},{"list":"brain-games","list_name":"brain games","list_status":"active","list_url":"https://apptierlist.com/best/brain-games/","position":32,"tier":"B","score":81.7,"components":{"rating":92.8,"votes":85.3,"rank":48.6,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-14T02:49:49.158Z"},{"list":"number-puzzles","list_name":"number puzzles","list_status":"active","list_url":"https://apptierlist.com/best/number-puzzles/","position":43,"tier":null,"score":69.5,"components":{"rating":92.8,"votes":85.3,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-14T02:49:49.158Z"},{"list":"puzzle-games","list_name":"puzzle games","list_status":"active","list_url":"https://apptierlist.com/best/puzzle-games/","position":680,"tier":null,"score":69.5,"components":{"rating":92.8,"votes":85.3,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-14T02:49:49.158Z"}],"main_list":"sudoku","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":178823,"at":"2026-10-19T23:38:11.529Z","kind":"tier_changed","list":"sudoku","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":"B","to":"A","reason":"rank shift: #19, score unchanged at 83.5","job":"rescore"},{"id":175641,"at":"2026-10-19T11:21:11.701Z","kind":"tier_changed","list":"number-puzzles","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":"C","to":null,"reason":"rank shift: #43, below the tiered top 40","job":"rescore"},{"id":104182,"at":"2026-10-15T10:58:36.040Z","kind":"tier_changed","list":"brain-games","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":"C","to":"B","reason":"rank shift: #24, score 83, an app ranked above it holds this tier","job":"rescore"},{"id":88813,"at":"2026-10-14T20:58:33.745Z","kind":"tier_changed","list":"brain-games","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":"B","to":"C","reason":"score 83","job":"rescore"},{"id":86232,"at":"2026-10-14T17:57:19.783Z","kind":"tier_changed","list":"sudoku","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":"A","to":"B","reason":"score 82.3","job":"rescore"},{"id":79231,"at":"2026-10-14T13:21:19.857Z","kind":"tier_changed","list":"sudoku","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":"C","to":"A","reason":"score 82.3","job":"rescore"},{"id":75809,"at":"2026-10-14T03:21:53.693Z","kind":"tier_changed","list":"sudoku","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":null,"to":"C","reason":"score 82.3","job":"rescore"},{"id":75698,"at":"2026-10-14T03:06:53.690Z","kind":"tier_changed","list":"number-puzzles","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":null,"to":"C","reason":"score 69.5","job":"rescore"},{"id":75260,"at":"2026-10-14T02:51:10.858Z","kind":"tier_changed","list":"brain-games","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":null,"to":"B","reason":"score 81.3","job":"rescore"},{"id":75242,"at":"2026-10-14T02:49:49.158Z","kind":"membership_added","list":"sudoku","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":null,"to":"active","reason":"Sudoku is the main game: 5000+ puzzles, 4 difficulty levels, pencil mode, hints and techniques.","job":"shadow"},{"id":75241,"at":"2026-10-14T02:49:49.158Z","kind":"membership_added","list":"puzzle-games","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":null,"to":"active","reason":"Core offering is Sudoku puzzles with difficulty levels and daily challenges.","job":"shadow"},{"id":75240,"at":"2026-10-14T02:49:49.158Z","kind":"membership_added","list":"number-puzzles","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":null,"to":"active","reason":"A logic-based number puzzle game where digits 1-9 are placed in a grid.","job":"shadow"},{"id":75239,"at":"2026-10-14T02:49:49.158Z","kind":"membership_added","list":"brain-games","app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","from":null,"to":"active","reason":"Marketed as a brain game ('Brain Games' in the title) for exercising logical thinking and memory.","job":"shadow"},{"id":65360,"at":"2026-10-12T19:11:52.327Z","kind":"app_added","list":null,"app_store_id":1532397340,"app":"killer-sudoku-brain-games-1532397340","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":"sudoku","list_name":"sudoku","status":"active","review_status":"checked","position":20,"tier":"A","score":82.4,"components":{"rating":92.8,"votes":85.3,"rank":51.6,"recency":100},"ranks":[{"country":"au","rank":39},{"country":"de","rank":45},{"country":"gb","rank":41}],"verdicts":[{"verdict":"keep","reason":"Sudoku is the main game: 5000+ puzzles, 4 difficulty levels, pencil mode, hints and techniques.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true}]},{"list":"brain-games","list_name":"brain games","status":"active","review_status":"checked","position":32,"tier":"B","score":81.7,"components":{"rating":92.8,"votes":85.3,"rank":48.6,"recency":100},"ranks":[{"country":"de","rank":38},{"country":"au","rank":41}],"verdicts":[{"verdict":"keep","reason":"Marketed as a brain game ('Brain Games' in the title) for exercising logical thinking and memory.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true}]},{"list":"number-puzzles","list_name":"number puzzles","status":"active","review_status":"checked","position":43,"tier":null,"score":69.5,"components":{"rating":92.8,"votes":85.3,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"A logic-based number puzzle game where digits 1-9 are placed in a grid.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true}]},{"list":"puzzle-games","list_name":"puzzle games","status":"active","review_status":"checked","position":680,"tier":null,"score":69.5,"components":{"rating":92.8,"votes":85.3,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Core offering is Sudoku puzzles with difficulty levels and daily challenges.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-14T02:49:49.158Z","attempts":1,"current":true}]}]},"data_version":40393,"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/killer-sudoku-brain-games-1532397340/"}}