{"app_store_id":421136193,"slug":"sudoku-by-joseph-421136193","name":"Sudoku by Joseph","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/17/37/00/1737009c-285a-9aa0-4c73-91551066f121/AppIcon-0-0-1x_U007epad-0-1-sRGB-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/sudoku-by-joseph/id421136193?uo=4","price":0,"currency":"USD","rating":4.68231,"rating_count":2408,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Games","version_date":"2026-08-26T20:50:28Z","updated_at":"2026-10-20T21:52:12.756Z","stale":false,"missing_since":null,"one_liner":"Sudoku app with 12 puzzle variants. Classic, Jigsaw and Killer are free; the other nine require a premium subscription.","verified_maker":false,"maker_site":null,"file_size_bytes":114401280,"minimum_os":"17.6","content_rating":"4+","language_count":46,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/7c/44/5d/7c445d0f-febd-f531-704d-5a41518e9206/iPhones__6.9-01.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8b/41/36/8b4136ec-124a-4798-9437-da77686a7f2b/iPhones__6.9-02.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e4/79/39/e4793957-7839-1f33-237d-5bf19c7c1db2/iPhones__6.9-03.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ed/ff/96/edff96a3-5b6b-ad57-2159-ce464b9eb5c3/iPhones__6.9-04.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c2/5a/74/c25a7423-14af-95d4-bd18-1b7219b3179f/iPhones__6.9-05.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/75/2c/5e/752c5ee7-8e74-0af5-3ed3-a9da02331cc6/iPhones__6.9-06.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e8/91/5b/e8915b76-800b-8d2b-58bc-1a8e2fe8429b/iPhones__6.9-07.png/320x480bb.jpg"],"developer_name":"Keitgen GmbH","editors_choice":null,"url":"https://apptierlist.com/apps/sudoku-by-joseph-421136193/","api_url":"https://apptierlist.com/api/v1/apps/sudoku-by-joseph-421136193","schema_version":"1.0","generated_at":"2026-10-22T11:44:45.059Z","data_as_of":"2026-10-22T11:35:13.120Z","description":"Discover the most complete Sudoku experience on the App Store. Sudoku by Joseph offers 12 unique puzzle variants in one beautifully designed app - trusted by players for over 15 years with a 4.66-star rating from 2,400+ reviews.\n\nTHREE FREE VARIANTS TO ENJOY:\n- Classic Sudoku - The timeless 9x9 number puzzle\n- Jigsaw Sudoku - Irregular regions replace the standard boxes\n- Killer Sudoku - Cage sums meet Sudoku logic\n\nNINE PREMIUM VARIANTS FOR TRUE ENTHUSIASTS:\n- 16x16 Sudoku - Super-sized grid for an extra challenge\n- Twodoku - Two overlapping Sudoku grids\n- Tripledoku - Three interlocking puzzles\n- Gattai-3 - Three grids sharing regions\n- Sohei - Four grids in a cross pattern\n- Samurai - Five overlapping grids\n- Cross Sudoku - A cross-shaped multi-grid puzzle\n- Flower Sudoku - Five grids in a flower arrangement\n- Kazaguruma - A pinwheel of four grids\n\nFEATURES THAT MAKE THE DIFFERENCE:\n- Daily Challenge - A new puzzle every day to keep your streak alive\n- Multiple difficulty levels - From beginner-friendly to fiendishly hard\n- 13 stunning themes - Customize your experience with light and dark modes\n- Customizable fonts - Choose the look that suits you\n- Full statistics - Track your progress and improvement\n- Game Center - Compare your achievements with friends\n- Ad-free with Premium - No interruptions, ever\n- Works offline - Play anywhere, anytime\n- Privacy-focused - We respect your data\n\nCrafted by an indie developer with a passion for puzzles, Sudoku by Joseph is the app that grows with you. Start with Classic, Jigsaw, or Killer for free, then unlock all 12 variants with a premium subscription.\n\nPremium Subscription:\n- Payment will be charged to your Apple ID account at the confirmation of purchase\n- Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period\n- Your account will be charged for renewal within 24 hours prior to the end of the current period\n- You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase\n- Any unused portion of a free trial period will be forfeited when you purchase a subscription\n\nPrivacy Policy: https://sudokubyjoseph.app/privacy\nTerms of Use: https://sudokubyjoseph.app/eula","facts":{"developer_id":416061212,"developer_url":"https://sudokubyjoseph.app","first_released":"2011-02-25T03:24:28Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"2026.17","release_notes":"2026.17:\n- Fixed a bug that prevented puzzles from loading\n\n2026.16:\n- Fixed small bugs\n\n2026.15:\n- Fixed a screen rotation bug on iPhone\n\n2026.14:\n- Fixed a small bug\n\n2026.13:\n- Fixed a small bug\n\n2026.12:\n- Fixed a Gattai-3 bug in the Daily Challenge\n- New high contrast option\n\n2026.11:\n- Fixed a small bug\n\n2026.10:\n- Fixed a visual bug in Classic puzzles\n- Fixed a small crash\n\n2026.9:\n- Fresh puzzles\n- New option to play Jigsaw with colorless zones\n\n2026.8:\n- Tweaked highlight coloring\n- Fixed a Killer bug in the Daily Challenge\n- Added a reset statistics button\n\n2026.7:\n- Long-press to enter pencil marks (enable in Settings)\n- Fixed statistics and dark mode readability\n- Fresh puzzles\n\n2026.6:\n- Fixed a few small bugs\n\n2026.5:\n- Fixed a crash in the statistics\n\n2026.4:\n- Auto Pencil Marks: automatically fill in all pencil marks (Premium)\n- Candidate Filter: highlight cells containing a specific candidate\n\n2026.3:\n- Fixed a crash when completing a puzzle\n- Toggle a cell value by tapping the number again\n- Improved hint visuals\n\n2026.2:\n- Option to hide the clock\n- Customizable pencil markings\n- 7-day free trial\n\n2026.1:\nBiggest update in 15 years:\n- 12 puzzle variants including Killer, Samurai, Flower, and Kazaguruma\n- Daily Challenge with streaks\n- 13 color themes, 14 symbol styles\n- Complete redesign","rating_current_version":4.68231,"rating_count_current_version":2408,"star_counts":null,"genres":["Games","Board","Puzzle"],"languages":["AF","AR","EU","BN","BG","CA","HR","CS","DA","NL","EN","FI","FR","DE","EL","HE","HI","HU","ID","IT","JA","KO","LT","MS","NB","FA","PL","PT","PA","RO","RU","ZH","SK","SL","ES","SW","SV","TL","TA","TE","TH","ZH","TR","UK","UR","VI"],"content_advisories":null,"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-20T21:52:12.756Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-21T15:52:13.839Z","placed_at":"2026-10-19T13:10:11.695Z","scored_at":"2026-10-22T11:35:13.120Z"},"editorial":{"one_liner":"Sudoku app with 12 puzzle variants. Classic, Jigsaw and Killer are free; the other nine require a premium subscription.","what_is":"Sudoku by Joseph is a Games app for iOS offering 12 Sudoku variants, including Classic, Jigsaw, Killer, and multi-grid formats such as Samurai and Flower Sudoku. The listing also describes a daily challenge, several difficulty levels, themes, statistics, Game Center support, and offline play. Three variants are free, and the other nine are part of a premium subscription.","good_for":["Playing classic 9x9 Sudoku with offline access","Trying variants such as Jigsaw or Killer Sudoku","Daily puzzles with Game Center achievement comparisons"],"pricing":"Sudoku by Joseph is free to download on the App Store.","faq":[{"q":"Is the app free?","a":"The app is free to download. Classic, Jigsaw and Killer Sudoku are listed as free variants. The nine premium variants require a premium subscription, and its price is Not stated on the App Store."},{"q":"Does it work offline?","a":"The app works offline, so you can play without a connection. It also lists Game Center for comparing achievements with friends, which is a separate online feature."},{"q":"Are there ads, and how does renewal work?","a":"The listing says Premium removes ads. The subscription renews automatically unless canceled at least 24 hours before the current period ends, and you can manage it in your App Store account settings."}],"model":"claude-haiku-5-5","created_at":"2026-10-21T15:52:13.839Z"},"memberships":[{"list":"sudoku","list_name":"sudoku","list_status":"active","list_url":"https://apptierlist.com/best/sudoku/","position":24,"tier":"B","score":78.9,"components":{"rating":93.3,"votes":76.7,"rank":45.6,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-19T13:10:11.695Z"},{"list":"puzzle-games","list_name":"puzzle games","list_status":"active","list_url":"https://apptierlist.com/best/puzzle-games/","position":1169,"tier":null,"score":67.5,"components":{"rating":93.3,"votes":76.7,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-19T13:10:11.695Z"}],"main_list":"sudoku","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":189164,"at":"2026-10-21T07:07:13.353Z","kind":"tier_changed","list":"sudoku","app_store_id":421136193,"app":"sudoku-by-joseph-421136193","from":"C","to":"B","reason":"score 66.9 to 78.9","job":"rescore"},{"id":177207,"at":"2026-10-19T13:39:11.605Z","kind":"tier_changed","list":"sudoku","app_store_id":421136193,"app":"sudoku-by-joseph-421136193","from":null,"to":"C","reason":"score 66.9","job":"rescore"},{"id":176581,"at":"2026-10-19T13:10:11.695Z","kind":"membership_added","list":"sudoku","app_store_id":421136193,"app":"sudoku-by-joseph-421136193","from":null,"to":"active","reason":"The whole app is Sudoku, with 12 variants including Classic, Killer, Jigsaw and multi-grid puzzles.","job":"shadow"},{"id":176580,"at":"2026-10-19T13:10:11.695Z","kind":"membership_added","list":"puzzle-games","app_store_id":421136193,"app":"sudoku-by-joseph-421136193","from":null,"to":"active","reason":"It is a puzzle app built around daily challenges and difficulty levels, and it exercises logical thinking.","job":"shadow"},{"id":170957,"at":"2026-10-19T06:17:11.818Z","kind":"app_added","list":null,"app_store_id":421136193,"app":"sudoku-by-joseph-421136193","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":24,"tier":"B","score":78.9,"components":{"rating":93.3,"votes":76.7,"rank":45.6,"recency":100},"ranks":[{"country":"gb","rank":33}],"verdicts":[{"verdict":"keep","reason":"The whole app is Sudoku, with 12 variants including Classic, Killer, Jigsaw and multi-grid puzzles.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T13:10:11.695Z","attempts":1,"current":true},{"verdict":"keep","reason":"A dedicated Sudoku app with classic, killer, jigsaw and multi-grid variants.","verifier":"list check","decided_at":"2026-10-19T13:10:11.695Z","attempts":1,"current":true}]},{"list":"puzzle-games","list_name":"puzzle games","status":"active","review_status":"checked","position":1169,"tier":null,"score":67.5,"components":{"rating":93.3,"votes":76.7,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"It is a puzzle app built around daily challenges and difficulty levels, and it exercises logical thinking.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-19T13:10:11.695Z","attempts":1,"current":true},{"verdict":"keep","reason":"A Sudoku puzzle game for fun and logical thinking, which fits the general puzzle games list.","verifier":"list check","decided_at":"2026-10-19T13:10:11.695Z","attempts":1,"current":true}]}]},"data_version":40842,"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/sudoku-by-joseph-421136193/"}}