{"app_store_id":451544502,"slug":"calc-pro-the-best-calculator-451544502","name":"Calc Pro - The Best Calculator","subtitle":"10 Calculators & Converters","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/85/6b/bc/856bbc64-3fd3-7f42-58e4-a9d5f23fd7ba/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/calc-pro-the-best-calculator/id451544502?uo=4","price":0,"currency":"USD","rating":4.5964,"rating_count":4720,"in_app_purchases":true,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":"2026-10-21T23:43:12.766Z","primary_genre":"Utilities","version_date":"2026-10-13T04:22:25Z","updated_at":"2026-10-21T23:43:12.766Z","stale":false,"missing_since":null,"one_liner":"Calculator app with 10 calculators, 23 financial worksheets, currency and crypto converters, and statistics tools.","verified_maker":false,"maker_site":null,"file_size_bytes":56627200,"minimum_os":"17.6","content_rating":"4+","language_count":12,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/52/24/3b/52243b78-06b8-8dc5-4667-9728e0059634/Slice_1.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d1/3b/ad/d13badc7-328c-74df-1725-fea19371c173/Slice_2.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/45/03/61/4503612e-f316-159c-aefd-1f456e95cbdf/Slice_3.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/60/47/7f/60477f29-a7b8-4645-1821-630ff5ac2e3f/Slice_4.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/55/9f/64/559f6468-fc74-4f6f-cb4c-42993117c13f/Slice_5.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a1/1a/44/a11a44b0-9fbe-713c-7623-62b05407276f/Slice_6.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/73/83/d8/7383d8ef-4e21-bb0f-50c2-25b3026888f8/Slice_7.png/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d7/0b/95/d70b9598-2a32-78f5-ec17-a8e58d31d3e5/Slice_8.png/320x480bb.jpg"],"developer_name":"Panoramic Software Inc.","editors_choice":false,"url":"https://apptierlist.com/apps/calc-pro-the-best-calculator-451544502/","api_url":"https://apptierlist.com/api/v1/apps/calc-pro-the-best-calculator-451544502","schema_version":"1.0","generated_at":"2026-10-22T09:33:01.124Z","data_as_of":"2026-10-22T08:33:41.315Z","description":"***** THE TOP CALCULATOR FOR IPHONE, IPHONE DUO & IPAD *****\nCalc Pro combines 10 powerful calculators with 23 financial worksheets!!\n\nExperience the ultimate mobile calculator on your iPhone, iPhone Duo and iPad! Join the millions of satisfied users worldwide who trust Calc Pro for its unrivaled power, accuracy, and advanced features. Calc Pro is the trusted choice of students, professionals, and investors worldwide. It's the only app that can truly replace your pocket calculator. With ten (10) powerful calculators, twenty-three (23) financial worksheets, and a full statistics suite, Calc Pro truly has a calculator for every occasion. Whether you're tracking live crypto prices, planning your retirement, running a hypothesis test, or simply converting cooking measurements, Calc Pro makes it easy to solve even the toughest calculations. Get Calc Pro now and experience the power of advanced calculations at your fingertips!\n\n======================================\nFeatures include:\n======================================\n\n10 powerful calculators:\n\n• Standard Calculator\n\n• Scientific Calculator (includes RPN mode and access to constants)\n\n• Base Conversions (binary, octal, decimal and hexadecimal)\n\n• Graphing Calculator (add up to 8 equations)\n\n• Unit Converter (over 6,000 conversions in 37 categories)\n\n• World Currencies Converter (165+ currencies updated daily, plus 50 cryptocurrencies with live rates and interactive price history charts)\n\n• Constants (nearly 2,000 constants across mathematics, physics, the solar system, the elements, chemistry, biology, engineering, computer science and earth science)\n\n• Financial Calculator (with 23 worksheets)\n\n• Statistics Calculator (10 regression types, probability distributions, confidence intervals and hypothesis testing — with graphing)\n\n• Date & Time Calculator (with lunar moon phases)\n\n\nThe Financial Calculator contains 23 powerful worksheets to solve everyday money questions and serious investment decisions. Save or e-mail any worksheet as a PDF.\n\n• Mortgage Calculator (full amortization tables, extra payments, and accelerated weekly/bi-weekly payment schedules)\n• Loan Calculator\n• Time Value of Money worksheet\n• Compound Interest worksheet\n• Retirement Savings planner\n• Savings Goal planner\n• Credit Card Payoff worksheet\n• Inflation Calculator\n• Cash Flow worksheet (NPV & IRR)\n• Lease worksheet\n• Bond Calculator (price & yield to maturity)\n• Stock Return Calculator\n• Average Cost (DCA) Calculator\n• Dividend Income Calculator (with reinvestment)\n• Options Profit/Loss Calculator\n• Black-Scholes Option Pricer (with Greeks)\n• Position Size Calculator\n• Tip Calculator\n• Financial Date worksheet\n• Percentage Change worksheet\n• Break Even worksheet\n• Profit Margin worksheet\n• Depreciation worksheet\n\nThe Statistics Calculator goes far beyond the basics: 10 regression models (linear through quartic and logistic), single-variable analysis with frequency data, descriptive statistics (quartiles, skewness, kurtosis and more), Normal, Binomial, Poisson, Student's t and Chi-square distributions, confidence intervals, and one- and two-sample hypothesis tests. E-mail or save your full results as a PDF.\n\nFive display options: normal, scientific, fractions, engineering, and fixed (2-10 decimal places).\n\nFive calculator modes: simple, algebraic, direct algebraic, expression, and RPN.\n\nChoose from several skin styles and color schemes.\n\nAdvanced graphing functions: simultaneous graphs, find points on the graph and show tangents. E-mail your equations and graph image.\n\nTape View displays your recent equations and allows you to copy or email them.\n\nSupported Languages: English, German, Spanish, Portuguese, French, Italian, Dutch, Japanese, Simplified & Traditional Chinese, Korean, and Russian.","facts":{"developer_id":329216366,"developer_url":"http://www.panoramicsoft.com/products/calc-pro/","first_released":"2011-08-17T01:27:35Z","support_url":"http://www.panoramicsoft.com/products/calc-pro/","privacy_url":"http://www.panoramicsoft.com/eula/","website_url":"http://www.panoramicsoft.com/products/calc-pro/","app_version":"7.0.6","release_notes":"Calc Pro is now made for iPhone Duo — plus cryptocurrencies, investing worksheets, a full statistics suite, and a redesigned iPad experience.\n\nNEW — MADE FOR IPHONE DUO\n• Closed: Calc Pro's controls move into the side bar, so the calculator gets the full height of the display.\n• Open: Calc Pro spreads across both halves in an iPad-style layout, with every calculator, Options, Store and About in reach without scrolling.\n\nNEW — CRYPTOCURRENCIES & RATE HISTORY\n• 50 cryptocurrencies (BTC, ETH, SOL and more) join the World Currencies converter, with live rates and an offline fallback.\n• Tap the new chart button to see any pair's price history — 1D, 1W, 1M, 3M, 1Y or All — with high, low and percent change.\n\nNEW — 10 FINANCIAL WORKSHEETS (23 in total)\n• Investing: Stock Return, Average Cost (DCA), Options Profit/Loss, Black-Scholes Option Pricer (with Greeks), Position Size, and Dividend Income (with reinvestment).\n• Personal finance: Bond (price & yield to maturity), Credit Card Payoff, Savings Goal, and Inflation.\n• Gains show in green and losses in red, so you can read a result at a glance.\n\nNEW — 7 STATISTICS CALCULATORS\n• Cubic, Quartic and Logistic Regression.\n• Single Variable (Frequency), for value + frequency data entry.\n• Distributions: Normal, Inverse Normal, Binomial, Poisson, Student's t and Chi-Square.\n• Confidence Intervals, and Hypothesis Tests (1-sample Z, 1-sample t, 2-sample t).\n• Single-variable results now include quartiles, IQR, range, mode, geometric and harm","rating_current_version":4.5964,"rating_count_current_version":4720,"star_counts":[182,66,182,615,3675],"genres":["Utilities","Productivity"],"languages":["NL","EN","FR","DE","IT","JA","KO","PT","RU","ZH","ES","ZH"],"content_advisories":null,"device_families":["mac","iphone","ipad"],"chart":null},"freshness":{"apple_read_at":"2026-10-21T23:43:12.766Z","catalog_read_at":"2026-10-20T05:45:11.794Z","reviews_checked_at":"2026-10-21T23:43:12.766Z","summary_written_at":"2026-10-18T23:43:11.540Z","placed_at":"2026-10-18T03:48:11.703Z","scored_at":"2026-10-22T08:33:41.315Z"},"editorial":{"one_liner":"Calculator app with 10 calculators, 23 financial worksheets, currency and crypto converters, and statistics tools.","what_is":"Calc Pro is a utility app for iPhone, iPhone Duo and iPad that bundles ten calculators, including standard, scientific, graphing and statistics modes. It also includes 23 financial worksheets covering topics such as mortgages, savings, investments and break-even analysis, which can be saved or e-mailed as PDFs.","good_for":["Comparing mortgage and loan payment schedules","Running statistics such as regression and hypothesis tests","Converting units, number bases and currencies"],"pricing":"Calc Pro - The Best Calculator is free to download, with in-app purchases on the App Store.","faq":[{"q":"Which devices does Calc Pro support?","a":"The description names the iPhone, iPhone Duo and iPad as supported devices."},{"q":"Can I keep a copy of financial results?","a":"Any financial worksheet can be saved or e-mailed as a PDF."}],"model":"claude-haiku-5-5","created_at":"2026-10-18T23:43:11.540Z"},"memberships":[{"list":"calculation","list_name":"calculation","list_status":"active","list_url":"https://apptierlist.com/best/calculation/","position":14,"tier":"A","score":86.5,"components":{"rating":91.7,"votes":77.8,"rank":76.4,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-18T03:48:11.703Z"},{"list":"scientific-calculation","list_name":"scientific calculation","list_status":"active","list_url":"https://apptierlist.com/best/scientific-calculation/","position":17,"tier":"B","score":80.4,"components":{"rating":91.7,"votes":77.8,"rank":52,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-18T03:48:11.703Z"}],"main_list":"calculation","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":152954,"at":"2026-10-18T04:16:11.701Z","kind":"tier_changed","list":"scientific-calculation","app_store_id":451544502,"app":"calc-pro-the-best-calculator-451544502","from":null,"to":"B","reason":"score 81","job":"rescore"},{"id":152943,"at":"2026-10-18T04:16:11.701Z","kind":"tier_changed","list":"calculation","app_store_id":451544502,"app":"calc-pro-the-best-calculator-451544502","from":null,"to":"A","reason":"score 88.2","job":"rescore"},{"id":152389,"at":"2026-10-18T03:48:11.703Z","kind":"membership_added","list":"scientific-calculation","app_store_id":451544502,"app":"calc-pro-the-best-calculator-451544502","from":null,"to":"active","reason":"Includes a scientific calculator with RPN mode and constants, plus graphing and base conversions, so users looking for advanced math calculators would expect it","job":"shadow"},{"id":152388,"at":"2026-10-18T03:48:11.703Z","kind":"membership_added","list":"calculation","app_store_id":451544502,"app":"calc-pro-the-best-calculator-451544502","from":null,"to":"active","reason":"Marketed as the calculator that replaces a pocket calculator: a standard calculator plus 10 calculators, 23 financial worksheets and a statistics suite.","job":"shadow"},{"id":143319,"at":"2026-10-17T06:28:13.400Z","kind":"app_added","list":null,"app_store_id":451544502,"app":"calc-pro-the-best-calculator-451544502","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); 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