{"schema_version":"1.0","generated_at":"2026-10-21T06:19:21.603Z","app":{"app_store_id":684978583,"slug":"sci-pro-calculator-684978583","name":"Sci:Pro Calculator","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/f4/fc/ab/f4fcab95-6432-c365-71eb-efac4e9c3b1c/AppIcon-0-0-1x_U007emarketing-0-0-0-5-0-0-sRGB-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/sci-pro-calculator/id684978583?uo=4","price":0,"currency":"USD","rating":4.76489,"rating_count":3896,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Utilities","version_date":"2019-09-20T15:17:09Z","updated_at":"2026-10-19T14:57:11.606Z","stale":false,"missing_since":null,"one_liner":"Utilities app by Jerry Montgomery on the App Store.","verified_maker":false,"maker_site":null,"file_size_bytes":73424896,"minimum_os":"9.3","content_rating":"4+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/97/25/6c/97256c00-9f6f-7511-fa0b-070bfa8e2bc6/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/20/55/9b/20559b73-23fe-c881-565e-a1eb44128f5e/mzl.bzttsear.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/e3/6a/87/e36a876b-a590-f211-1701-4004bc55167a/mzl.jpqibktw.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/53/b6/3b/53b63b7e-b63a-3533-5652-2756ddffdb40/mzl.ckaekmbx.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/61/6d/9b/616d9b8f-43d1-d56a-2c8e-e5177cbcd7fd/mzl.vyzuxinh.png/392x696bb.png"],"developer_name":"Jerry Montgomery","editors_choice":null,"url":"https://apptierlist.com/apps/sci-pro-calculator-684978583/","api_url":"https://apptierlist.com/api/v1/apps/sci-pro-calculator-684978583"},"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":"scientific-calculation","list_name":"scientific calculation","status":"active","review_status":"checked","position":31,"tier":"F","score":42.8,"components":{"rating":95.3,"votes":75.9,"rank":0,"recency":0},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Offers a dedicated Scientific mode with high-precision floating point and scientific/engineering display formats; named Sci:Pro.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-18T06:43:11.797Z","attempts":1,"current":true},{"verdict":"keep","reason":"It has a dedicated Scientific mode for advanced math, alongside its Basic and Programmer modes.","verifier":"list check","decided_at":"2026-10-18T06:43:11.797Z","attempts":1,"current":true}]},{"list":"calculation","list_name":"calculation","status":"active","review_status":"checked","position":58,"tier":null,"score":42.8,"components":{"rating":95.3,"votes":75.9,"rank":0,"recency":0},"ranks":[],"verdicts":[{"verdict":"keep","reason":"Multi-mode calculator with a Basic mode for everyday arithmetic (+, -, ×, ÷, percent, memory keys, history).","verifier":"claude-sonnet-5-5","decided_at":"2026-10-18T06:43:11.797Z","attempts":1,"current":true},{"verdict":"keep","reason":"Multi-mode calculator with a Basic mode for everyday arithmetic, memory keys and history. It is a general calculator, not a scientific-only one.","verifier":"list check","decided_at":"2026-10-18T06:43:11.797Z","attempts":1,"current":true}]}],"history":[{"id":158509,"at":"2026-10-18T07:09:11.704Z","kind":"tier_changed","list":"scientific-calculation","app_store_id":684978583,"app":"sci-pro-calculator-684978583","from":null,"to":"F","reason":"score 42.8","job":"rescore"},{"id":157852,"at":"2026-10-18T06:43:11.797Z","kind":"membership_added","list":"scientific-calculation","app_store_id":684978583,"app":"sci-pro-calculator-684978583","from":null,"to":"active","reason":"Offers a dedicated Scientific mode with high-precision floating point and scientific/engineering display formats; named Sci:Pro.","job":"shadow"},{"id":157851,"at":"2026-10-18T06:43:11.797Z","kind":"membership_added","list":"calculation","app_store_id":684978583,"app":"sci-pro-calculator-684978583","from":null,"to":"active","reason":"Multi-mode calculator with a Basic mode for everyday arithmetic (+, -, ×, ÷, percent, memory keys, history).","job":"shadow"},{"id":152696,"at":"2026-10-18T03:53:11.613Z","kind":"app_added","list":null,"app_store_id":684978583,"app":"sci-pro-calculator-684978583","from":null,"to":null,"reason":"discovered","job":"import"}],"data_version":39630,"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/"}}