{"schema_version":"1.0","generated_at":"2026-10-21T17:42:51.158Z","app":{"app_store_id":1131056808,"slug":"big-button-calculator-pro-lite-1131056808","name":"Big Button Calculator Pro Lite","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/d1/20/b6/d120b646-d43f-f33c-c469-d6598c90c87f/Big_Calculator_Pro_Lite-0-0-1x_U007epad-0-1-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/big-button-calculator-pro-lite/id1131056808?uo=4","price":0,"currency":"USD","rating":4.70357,"rating_count":14179,"in_app_purchases":null,"recent_rating":3.9,"recent_review_count":20,"reviews_checked_at":"2026-10-18T06:30:13.409Z","primary_genre":"Utilities","version_date":"2026-03-25T16:55:03Z","updated_at":"2026-10-21T12:44:13.383Z","stale":false,"missing_since":null,"one_liner":"Calculator app for iOS with large buttons, color themes, a dual-line display, and percentage and backspace keys.","verified_maker":false,"maker_site":null,"file_size_bytes":46750720,"minimum_os":"15.2","content_rating":"4+","language_count":11,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/92/5d/df/925ddfbf-9d34-c025-882d-10c6abaadf34/92f5caaf-d2c0-4a79-875f-9f8a9027af7c_Simulator_Screen_Shot_-_iPhone_8_Plus_-_2021-07-28_at_21.12.30.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/7f/d4/93/7fd49320-53b1-c363-d647-01bb70c3f244/d223e7c9-643c-4ea8-914e-a1d009cda961_Simulator_Screen_Shot_-_iPhone_8_Plus_-_2021-07-28_at_21.12.38.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/90/40/dd/9040ddca-39ab-14b9-072f-2ac727ee54ce/0c16fc18-e89b-4033-9c63-3ad1383aba66_Simulator_Screen_Shot_-_iPhone_8_Plus_-_2021-07-28_at_21.12.33.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource126/v4/d8/c3/c0/d8c3c09b-62d3-0769-14da-262ec33f676a/7a226ac3-0c14-4ba8-8301-f021b537ddea_Simulator_Screen_Shot_-_iPhone_8_Plus_-_2021-07-28_at_21.12.35.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource116/v4/24/b9/9b/24b99b1b-b5ee-e915-90df-e6c6ffaf1748/834e892a-2645-4d23-961d-c38224d7a1e0_Simulator_Screen_Shot_-_iPhone_8_Plus_-_2021-07-28_at_21.12.36.png/392x696bb.png"],"developer_name":"Cider Software LLC","editors_choice":null,"url":"https://apptierlist.com/apps/big-button-calculator-pro-lite-1131056808/","api_url":"https://apptierlist.com/api/v1/apps/big-button-calculator-pro-lite-1131056808"},"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":"calculation","list_name":"calculation","status":"active","review_status":"checked","position":24,"tier":"B","score":79.7,"components":{"rating":93.6,"votes":82.3,"rank":67.4,"recency":75.5},"ranks":[{"country":"us","rank":28},{"country":"au","rank":13},{"country":"gb","rank":48},{"country":"ca","rank":47},{"country":"de","rank":32}],"verdicts":[{"verdict":"keep","reason":"It is a basic calculator built for everyday arithmetic, with big buttons, a dual-line display, percentage and backspace keys.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-15T05:54:53.108Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-15T05:54:53.108Z","attempts":1,"current":true}]}],"history":[{"id":119088,"at":"2026-10-16T03:55:51.872Z","kind":"tier_changed","list":"calculation","app_store_id":1131056808,"app":"big-button-calculator-pro-lite-1131056808","from":"A","to":"B","reason":"rank shift: #15, score unchanged at 81.1, tier full (a quarter of the list)","job":"rescore"},{"id":116306,"at":"2026-10-16T02:24:51.811Z","kind":"tier_changed","list":"calculation","app_store_id":1131056808,"app":"big-button-calculator-pro-lite-1131056808","from":"B","to":"A","reason":"score 77.1 to 81.1","job":"rescore"},{"id":99255,"at":"2026-10-15T07:43:36.034Z","kind":"tier_changed","list":"calculation","app_store_id":1131056808,"app":"big-button-calculator-pro-lite-1131056808","from":"C","to":"B","reason":"rank shift: #15, score unchanged at 77.1","job":"rescore"},{"id":96848,"at":"2026-10-15T06:58:36.036Z","kind":"tier_changed","list":"calculation","app_store_id":1131056808,"app":"big-button-calculator-pro-lite-1131056808","from":null,"to":"C","reason":"score 77.1","job":"rescore"},{"id":92875,"at":"2026-10-15T05:54:53.108Z","kind":"membership_added","list":"calculation","app_store_id":1131056808,"app":"big-button-calculator-pro-lite-1131056808","from":null,"to":"active","reason":"It is a basic calculator built for everyday arithmetic, with big buttons, a dual-line display, percentage and backspace keys.","job":"shadow"},{"id":85075,"at":"2026-10-14T16:45:19.923Z","kind":"app_added","list":null,"app_store_id":1131056808,"app":"big-button-calculator-pro-lite-1131056808","from":null,"to":null,"reason":"discovered","job":"import"}],"data_version":40141,"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/"}}