All-In-One: Calculator

Calculator & Unit converter

Free · In‑App Purchases · Designed for iPad

The PERFECT Calculator with Unit & Currency Converter for iPhone and iPad The original All-In-One Calculator & Converter It's a FREE, complete and easy to use multi calculator & converter. What does it do? Designed with simplicity in mind, it helps you solve everyday problems. From simple or complex calculations, to unit and currency conversions, percentages, proportions, areas, volumes, etc... it does it all. And it does it good! This is the PERFECT Calculator Passionate development combined with constant feedback we receive from our users resulted in that we think is the best multi calculator on the store. Featuring over 75 FREE Calculators and Unit Converters packed in with a Scientific Calculator, it's the only calculator you will need from now on on your device. Oh, and did we say it is completely FREE? Yes, it is free. We think everyone should enjoy this. If you are a student, teacher, engineer, handyman, contractor or just somebody who struggles with math & conversions, you really should give this one a try. • Use it for simple or complex calculations • Convert units or currencies in the same app • Enjoy easier homework or school assignments So, on with the features... Main calculator • Clear design with big buttons • Multiple calculator layouts • Editable input & cursor • Copy & paste support • Scientific functions • Fraction calculator • Calculation history • Memory buttons 75 Calculators & Converters • Algebra, Geometry, Unit Converters, Finance, Health, Date & time • Currency converter with 160 currencies (available offline) • Instant results delivered as you type • Smart search for faster navigation Algebra • Percentage calculator • Proportion calculator • Ratio calculator • Average calculator - arithmetic, geometric and harmonic means • Equation solver - linear, quadratic and equation system • Greatest common factor & Lowest common multiple calculator • Combinations and permutations • Decimal to fraction • Fraction simplifier • Prime number checker • Random number generator Geometry • Shape calculators for square, rectangle, parallelogram, trapezoid, rhombus, triangle, pentagon, hexagon, circle, circle arc, ellipse • Body calculators for cube, rect. prism, square pyramid, sq. pyramid frustum, cylinder, cone, conical frustum, sphere, spherical cap, spherical frustum, ellipsoid Unit converters • Acceleration converter • Angle converter • Length converter • Energy converter • Force converter • Torque converter • Area converter • Volume converter • Volumetric flow converter • Weight converter • Temperature converter • Pressure converter • Power converter • Speed converter • Mileage converter • Time converter • Digital storage converter • Data transfer speed converter • Numeric base converter • Roman numerals converter • Shoe size converter • Ring size converter • Cooking converter Finance • Currency converter with 160 currencies available offline • Unit price calculator • Sales tax calculator • Tip calculator • Loan calculator • Simple / Compound interest calculator Health • Body mass index - BMI • Daily calories burn • Body fat percentage Date & Time • Age calculator • Add & subtract - Add or subtract years, months, days, hours and minutes from a date • Time interval - Calculate the difference in time between two dates Miscellaneous • Mileage calculator • Ohm's law calculator - voltage, current, resistance and power Terms of use https://www.apple.com/legal/internet-services/itunes/dev/stdeula Developed in Transylvania

Ratings & Reviews

  • 5.0
    out of 5
    7 Ratings

• Added support for hyperbolic functions • Added support for complex numbers • Updated all calculator layouts • Improved haptic feedback

Version 3.2.4

The developer, allinonecalculator.com, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Identifiers

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

  • Seller
    • DREAMCORE SRL
  • Size
    • 83.5 MB
  • Category
    • Productivity
  • Compatibility
    Requires iOS 15.6 or later.
    • iPhone
      Requires iOS 15.6 or later.
    • iPad
      Requires iPadOS 15.6 or later.
    • iPod touch
      Requires iOS 15.6 or later.
    • Mac
      Requires macOS 12.5 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    English and 26 more
    • English, Arabic, Bulgarian, Czech, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Persian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Turkish, Ukrainian, Vietnamese
  • Age Rating
    4+
  • In-App Purchases
    Yes
    • Pro version: Monthly $1.99
    • Pro version: Lifetime $14.99
    • Pro version: Yearly $6.99
    • Learn More
  • Copyright
    • © 2025 DREAMCORE SRL
  • Developer Website
  • Privacy Policy

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