Cento: Percentage Calc

Percentages in 2 seconds

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

All 4 percentage calculators, free and unlimited. No ads, no tracking: everything stays on your device. Discounts, tips, VAT, growth — instant results. Cento works out any percentage in two seconds. No clutter, no annoying ads: you type, the answer appears. FOUR CALCULATORS, ONE APP — ALL FREE • Simple percent — what's 15% of 1,200? • Increase — salary, tips, VAT in one move • Decrease — the real price after a discount or sale • Change — what percentage between two amounts? BUILT FOR EVERYDAY LIFE Shopping and sales, restaurant tips, a pay rise, VAT, how an investment performed… Cento covers everyday percentages. FAST AND CLEAR • Instant result as you type • Shortcuts (5%, 10%, 20%…) to go even faster • Plain-language explanation under each result • Copy or share in one tap HISTORY Find your calculations, rerun them, tag them. Everything stays on your device. FREE, NO TRICKS All four calculators are free and unlimited. No ads, no trackers, no account. Pro (one-time purchase, lifetime) simply adds unlimited history and export. PRIVACY No data sent, no account. Your calculations stay with you.

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The developer, Laurent ABITBOL, 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 Not Collected

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    Accessibility

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    Information

    Seller
    • Laurent ABITBOL
    Size
    • 5.7 MB
    Category
    • Finance
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • iPad
      Requires iPadOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    English and 17 more
    • English, Arabic, Dutch, French, German, Hindi, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Vietnamese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Waikuu
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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