{"app_store_id":1324977193,"slug":"onecalc-all-in-one-calculator-1324977193","name":"OneCalc: All-in-one Calculator","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/83/88/85/838885ca-8445-e997-383d-13635b6762f9/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/onecalc-all-in-one-calculator/id1324977193?uo=4","price":0,"currency":"USD","rating":4.59643,"rating_count":5102,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Productivity","version_date":"2026-08-17T18:46:05Z","updated_at":"2026-10-21T19:56:13.068Z","stale":false,"missing_since":null,"one_liner":"Free calculator app with 40+ calculators and unit converters covering finance, health, date and time, construction.","verified_maker":false,"maker_site":null,"file_size_bytes":6737920,"minimum_os":"15.6","content_rating":"4+","language_count":11,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/c3/a9/f2/c3a9f2f6-ee30-303c-908f-bc68b297bc7c/49578a10-2f81-4822-ae8d-13e6c635568e_one_ios_5_5_feature_copy.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/f5/1a/d2/f51ad225-5705-66b0-3445-5a808b6e9bb4/4555a6f6-f5de-4013-9c7d-2a7be27d7304_one_ios_5_5_feature.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/cb/53/7d/cb537d63-f555-79d2-6eab-f21727b81ba0/f6aab571-5162-4d50-8d38-8436ba97fd88_one_ios_5_5_one.png/406x228bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e9/d0/80/e9d0806f-71c1-e885-eef0-f2f274b7c8a0/55b4abb2-de78-467a-9a26-5768ad33a4af_one_ios_5_5_two.png/406x228bb.png"],"developer_name":"tasser gyati","editors_choice":null,"url":"https://apptierlist.com/apps/onecalc-all-in-one-calculator-1324977193/","api_url":"https://apptierlist.com/api/v1/apps/onecalc-all-in-one-calculator-1324977193","schema_version":"1.0","generated_at":"2026-10-22T12:21:16.588Z","data_as_of":"2026-10-22T12:05:13.142Z","description":"All-in-one Calculator is a free calculator app for iPhone and iPad featuring over 40+ calculators and unit converters categorized under finance, health, date & time, construction, shopping and everyday math.\n\nSimple yet powerful, the following features are built into this all-in-one calculator app:-\n\nSTANDARD CALCULATOR\n• Includes percent key, negative sign, memory functions, brackets and history viewer.\n• Advanced mode includes functions for trigonometry, roots, exponents and logarithm found in scientific calculators.\n\nUNIT CONVERTER\n• Convert values between metric/ imperial units with conversion calculators for temperature, length, weight, area, volume and many more.\n\nFINANCIAL CALCULATORS\n• Interest calculators using simple and compound interest\n• Loan calculator with amortization schedule\n• Savings calculator to calculate future value and monthly savings amount\n• Currency converter\n\nHEALTH\n-Keep track of your body weight with these calculators:-\n• BMI calculator\n• Calories burnt calculator\n• Running Pace calculator\n\nEVERYDAY MATH\n• Percentage calculator\n• Fraction calculator\n• Rounding calculator\n• Area/ Volume calculator\n• Right-triangle calculator\n\nCONSTRUCTION \n -Estimate material requirements for small repair works/ DIY projects with these calculators:-\n• Brick calculator\n• Concrete calculator\n• Tiles calculator\n• Lumber volume calculator\n• Land area calculator\n\nDATE & TIME\n-Find duration between two date/ time values in months, weeks, days, hours, and minutes. \n• Date calculator (Also useful for age calculation)\n• Time calculator\n• Calculators to add/ subtract date and time\n\nBUSINESS\n-These calculators are useful when shopping and for those who run small business.\n• Profit margin calculator\n• Price markup calculator\n• Discount calculator\n• Tip and split calculator\n• Sales tax/ VAT calculator","facts":{"developer_id":1324926550,"developer_url":"https://everydaycalculation.com/","first_released":"2018-02-21T15:25:20Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"1.6.1","release_notes":"Minor improvements","rating_current_version":4.59643,"rating_count_current_version":5102,"star_counts":null,"genres":["Productivity","Utilities"],"languages":["EN","FR","DE","IT","JA","KO","PT","RU","ZH","ES","ZH"],"content_advisories":null,"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-21T19:56:13.068Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-19T17:16:11.701Z","placed_at":"2026-10-18T01:56:11.606Z","scored_at":"2026-10-22T12:05:13.142Z"},"editorial":{"one_liner":"Free calculator app with 40+ calculators and unit converters covering finance, health, date and time, construction.","what_is":"All-in-one Calculator is a free productivity app for iPhone and iPad. It includes a standard calculator with an advanced scientific mode, along with unit converters, financial, health, everyday math, construction, date and time, and business calculators. The listing describes over 40 calculators and unit converters in total.","good_for":["Estimating materials for small repair or DIY projects","Working out loan payments or savings and interest","Calculating tips, discounts, sales tax or profit margins"],"pricing":"OneCalc: All-in-one Calculator is free to download on the App Store.","faq":[{"q":"Is the app free?","a":"Yes. It is free to download. No in-app purchases are listed."},{"q":"Does it include a scientific calculator?","a":"The standard calculator has an advanced mode with trigonometry, roots, exponents and logarithm functions, which the listing describes as found in scientific calculators."},{"q":"Which devices does it support?","a":"The listing describes the app as being for iPhone and iPad."}],"model":"claude-haiku-5-5","created_at":"2026-10-19T17:16:11.701Z"},"memberships":[{"list":"calculation","list_name":"calculation","list_status":"active","list_url":"https://apptierlist.com/best/calculation/","position":7,"tier":"S","score":90.6,"components":{"rating":91.2,"votes":79,"rank":93,"recency":99.2},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-18T01:56:11.606Z"},{"list":"unit-conversion","list_name":"unit conversion","list_status":"draft","list_url":null,"position":null,"tier":null,"score":67.3,"components":{"rating":91.2,"votes":79,"rank":0,"recency":99.2},"status":"active","review_status":"checked","list_ranking_status":"under_review","confidence":"provisional","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":184204,"at":"2026-10-20T04:44:11.528Z","kind":"tier_changed","list":"calculation","app_store_id":1324977193,"app":"onecalc-all-in-one-calculator-1324977193","from":"A","to":"S","reason":"score 85.4 to 91.9","job":"rescore"},{"id":149805,"at":"2026-10-18T01:59:11.543Z","kind":"tier_changed","list":"calculation","app_store_id":1324977193,"app":"onecalc-all-in-one-calculator-1324977193","from":null,"to":"A","reason":"score 85.5","job":"rescore"},{"id":149704,"at":"2026-10-18T01:56:11.606Z","kind":"membership_added","list":"unit-conversion","app_store_id":1324977193,"app":"onecalc-all-in-one-calculator-1324977193","from":null,"to":"active","reason":"A dedicated unit converter covering metric/imperial units for temperature, length, weight, area and volume is a headline feature of the all-in-one app.","job":"shadow"},{"id":149703,"at":"2026-10-18T01:56:11.606Z","kind":"membership_added","list":"calculation","app_store_id":1324977193,"app":"onecalc-all-in-one-calculator-1324977193","from":null,"to":"active","reason":"Its standard calculator with percent, memory, brackets and history, plus everyday math tools, is the core of the app.","job":"shadow"},{"id":138204,"at":"2026-10-17T03:09:13.388Z","kind":"app_added","list":null,"app_store_id":1324977193,"app":"onecalc-all-in-one-calculator-1324977193","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":"calculation","list_name":"calculation","status":"active","review_status":"checked","position":7,"tier":"S","score":90.6,"components":{"rating":91.2,"votes":79,"rank":93,"recency":99.2},"ranks":[{"country":"us","rank":5},{"country":"gb","rank":14},{"country":"ca","rank":4},{"country":"au","rank":10},{"country":"de","rank":7}],"verdicts":[{"verdict":"keep","reason":"Its standard calculator with percent, memory, brackets and history, plus everyday math tools, is the core of the app.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-18T01:56:11.606Z","attempts":1,"current":true},{"verdict":"keep","reason":"Its core is a standard calculator with percent, memory, brackets and history, plus everyday math tools. 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