{"app_store_id":576156235,"slug":"calculator-plus-1-576156235","name":"Calculator Plus #1","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/bb/43/98/bb439831-2a2a-02fa-7b07-a256bd84a394/AppIcon-0-0-1x_U007epad-0-1-0-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/calculator-plus-1/id576156235?uo=4","price":0,"currency":"USD","rating":4.8079,"rating_count":5086,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Utilities","version_date":"2026-09-29T07:52:59Z","updated_at":"2026-10-20T02:28:11.611Z","stale":false,"missing_since":null,"one_liner":"Free calculator for iPhone and iPad with scientific, percentage, financial, date, currency and unit conversion tools.","verified_maker":false,"maker_site":null,"file_size_bytes":164644864,"minimum_os":"15","content_rating":"4+","language_count":43,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/6a/e6/9b/6ae69b52-4894-5801-a2c1-6955117aa34a/ca591b16-73fa-41ca-a17d-ff1517c44318_EN_5.5_01.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f9/50/6b/f9506b14-baa7-425c-d84b-7a4d2be93a16/5622b8ef-bf82-4b2e-8159-ab194a3ae7d5_EN_5.5_02.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b5/2b/5f/b52b5f27-4b19-cb9a-df86-868280753bdf/5572a8bd-7039-4432-a4cc-b3f88c4879f1_EN_5.5_03.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f3/8c/31/f38c31f2-7fe0-a003-87ef-e4eed55fdf44/eed68e49-f0c4-4044-b6d1-d3c70e140664_EN_5.5_04.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/de/72/8a/de728aaa-80eb-3de3-8bf9-e3327eaca4cc/29de1c57-15c7-49dd-b9cf-1fe672c09222_EN_5.5_05.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/13/d1/c1/13d1c131-a8c8-77d7-be9a-6c667e79599d/55cdbb06-3b78-49b1-a20d-812f3f8408d8_EN_5.5_06.jpg/392x696bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ef/4b/6c/ef4b6cf7-211e-21dc-7c89-01ca934d34e8/cd5d8594-02ff-42e0-96bf-04089a15159f_EN_5.5_07.jpg/392x696bb.jpg"],"developer_name":"DigitAlchemy LLC","editors_choice":null,"url":"https://apptierlist.com/apps/calculator-plus-1-576156235/","api_url":"https://apptierlist.com/api/v1/apps/calculator-plus-1-576156235","schema_version":"1.0","generated_at":"2026-10-21T04:01:48.626Z","data_as_of":"2026-10-21T03:01:21.335Z","description":"All-in-one basic calculator app for iPhone and iPad. \nCalculator Plus combines a basic calculator and a scientific one, percentage and tax calculator, financial and date calculator, currency and unit converter in one easy-to-use app.\nStop switching between multiple calculator apps. Calculate faster, stay organized, and get accurate results with Calculator Plus.\n\n* Looking for a basic calculator with history and memory? *\nCalculator Plus automatically saves calculations so you can review results, continue calculations later, compare numbers, track expenses, and avoid repeating work.\n\n* Need a scientific calculator for school, engineering, or advanced math?*\nUse logarithms, trigonometric functions, exponents, algebra, scientific formulas, parentheses, and multi-step equations in one powerful calculator.\n\n* Need a percentage calculator while shopping? *\nWhether you’re asking “How much is 20% off?” or “What tip should I leave?”, Calculator Plus delivers accurate answers.\nQuickly calculate discounts, sales tax, tips, markups, profit margins, percentage increases, and percentage decreases.\n\n* Looking for a budgeting and finance calculator? *\nTrack expenses, calculate bills, compare prices, plan budgets, and organize calculations with notes and history.\n\n* Need a currency converter and calculator in one app? *\nConvert currencies and measurement units while performing calculations - ideal for travel, shopping, business, and everyday use.\n\n* “How many days until my trip?” *\nNeed a date calculator?\nCount days, calculate age, track deadlines, plan vacations, and manage important events.\n\n* Calculator Widget *\nAdd the widget to your home screen for instant access.\n\n* Notes and Saved Calculations *\nAttach notes to saved calculations to organize expenses, transactions, tax records, budget plans, and currency conversions.\n\n* Perfect for: *\n— Everyday calculations\n— Scientific calculations and algebra for students\n— Shopping discounts and percentages\n— Budgeting, bills, and expenses\n— Tax and financial calculations\n— Currency and unit conversion\n— School homework and study\n— Multi-step equations with history\n— Date, age, and days calculations\n\n* Why Do Users Choose Calculator Plus? *\nMany calculator apps focus on only one task.\nCalculator Plus combines a scientific calculator, financial calculator, percentage calculator, tax calculator, currency converter, unit converter, date calculator, notes, history, widget, and multi-window support in one app.\n\n* Who Is Calculator Plus Designed For? *\n— Students and schoolchildren\n— Engineers and technical professionals\n— Business owners and freelancers\n— Finance professionals\n— Travellers and shoppers\n— Families managing household budgets\n\nWhether you need a calculator for budgeting, taxes, shopping, school, business, travel, engineering, or everyday math, Calculator Plus gives you all the tools you need in one app.","facts":{"developer_id":376971628,"developer_url":"http://digitalchemy.us/","first_released":"2012-11-19T02:09:13Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"8.1.2","release_notes":"– Fixed minor issues reported by users.\n– Please send us your feedback!","rating_current_version":4.8079,"rating_count_current_version":5086,"star_counts":null,"genres":["Utilities","Productivity"],"languages":["AF","AR","BE","BG","CA","HR","CS","DA","NL","EN","ET","FI","FR","DE","EL","HE","HI","HU","ID","IT","JA","KO","LV","LT","MS","NB","NN","FA","PL","PT","RO","RU","SR","ZH","SK","SL","ES","SV","TH","ZH","TR","UK","VI"],"content_advisories":null,"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-20T02:28:11.611Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-19T21:30:11.713Z","placed_at":"2026-10-18T01:56:11.606Z","scored_at":"2026-10-21T03:01:21.335Z"},"editorial":{"one_liner":"Free calculator for iPhone and iPad with scientific, percentage, financial, date, currency and unit conversion tools.","what_is":"Calculator Plus is a utility app for iPhone and iPad that combines a basic calculator, a scientific calculator, and percentage, tax, financial, and date calculators. It also includes currency and unit conversion, notes, saved calculation history, a home screen widget, and multi-window support.","good_for":["Checking discounts, sales tax, and tips while shopping","Scientific calculations and algebra for school or engineering","Tracking expenses, budgets, and currency conversions with notes"],"pricing":"Calculator Plus #1 is free to download on the App Store.","faq":[{"q":"Does the app save my calculations?","a":"Yes. It automatically saves calculations so you can review results, continue calculations later, compare numbers, and attach notes to saved calculations."},{"q":"Does it include scientific functions?","a":"It supports logarithms, trigonometric functions, exponents, algebra, scientific formulas, parentheses, and multi-step equations."},{"q":"Is it available for iPad as well as iPhone?","a":"Yes. The listing describes the app as for iPhone and iPad and mentions multi-window support."}],"model":"claude-haiku-5-5","created_at":"2026-10-19T21:30:11.713Z"},"memberships":[{"list":"scientific-calculation","list_name":"scientific calculation","list_status":"active","list_url":"https://apptierlist.com/best/scientific-calculation/","position":18,"tier":"B","score":79.9,"components":{"rating":95.5,"votes":79.1,"rank":45.2,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-18T01:56:11.606Z"},{"list":"calculation","list_name":"calculation","list_status":"active","list_url":"https://apptierlist.com/best/calculation/","position":20,"tier":"A","score":81.6,"components":{"rating":95.5,"votes":79.1,"rank":51.8,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-18T01:56:11.606Z"}],"main_list":"calculation","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":184872,"at":"2026-10-20T07:30:11.901Z","kind":"tier_changed","list":"scientific-calculation","app_store_id":576156235,"app":"calculator-plus-1-576156235","from":"C","to":"B","reason":"score 68.6 to 79.9","job":"rescore"},{"id":149807,"at":"2026-10-18T01:59:11.543Z","kind":"tier_changed","list":"scientific-calculation","app_store_id":576156235,"app":"calculator-plus-1-576156235","from":null,"to":"C","reason":"score 68.6","job":"rescore"},{"id":149804,"at":"2026-10-18T01:59:11.543Z","kind":"tier_changed","list":"calculation","app_store_id":576156235,"app":"calculator-plus-1-576156235","from":null,"to":"A","reason":"score 81.8","job":"rescore"},{"id":149757,"at":"2026-10-18T01:56:11.606Z","kind":"membership_added","list":"scientific-calculation","app_store_id":576156235,"app":"calculator-plus-1-576156235","from":null,"to":"active","reason":"Listing explicitly markets a built-in scientific calculator with logarithms, trigonometry, exponents and parentheses for school and engineering.","job":"shadow"},{"id":149756,"at":"2026-10-18T01:56:11.606Z","kind":"membership_added","list":"calculation","app_store_id":576156235,"app":"calculator-plus-1-576156235","from":null,"to":"active","reason":"Core job: an all-in-one basic calculator with history and memory for everyday arithmetic, plus percentage, tax and tip calculations.","job":"shadow"},{"id":138645,"at":"2026-10-17T03:25:13.404Z","kind":"app_added","list":null,"app_store_id":576156235,"app":"calculator-plus-1-576156235","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":"scientific-calculation","list_name":"scientific calculation","status":"active","review_status":"checked","position":18,"tier":"B","score":79.9,"components":{"rating":95.5,"votes":79.1,"rank":45.2,"recency":100},"ranks":[{"country":"us","rank":35}],"verdicts":[{"verdict":"keep","reason":"Listing explicitly markets a built-in scientific calculator with logarithms, trigonometry, exponents and parentheses for school and engineering.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-18T01:56:11.606Z","attempts":1,"current":true},{"verdict":"keep","reason":"It includes a full scientific mode with trigonometry, logarithms, exponents and parentheses as a main feature, not a side one. 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