Percentage Calculator App – Delta

Effortlessly calculate percentages with Delta! The all-in-one Percentage Calculator for everyday use.

Fast, simple, and accurate.

Try it out for free!

 

Android App

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Percentage Calculator App

App Description

Need to quickly figure out a tip, calculate a discount, or find the percentage change between two numbers? Look no further than Delta: Percentage Calculator! This powerful and user-friendly app is your go-to solution for all things percentage-related, making complex calculations simple and fast.

Free Features:

  • Percentage Change: Instantly calculate the percentage increase or decrease between two values. Perfect for analyzing financial data, tracking weight loss, or comparing scores.

  • Target Amount: Easily find the final value after a percentage change. Simply enter your initial number and the desired percentage, and let Delta do the rest.

  • Calculation History: Never lose track of your work! Your calculation history is saved so you can easily review past results.

Unlock Pro Features for a Boost!

Upgrade to the Pro version of Delta to unlock a suite of powerful tools and an ad-free experience.

  • Compound Interest Calculator: Plan your finances with ease! See how your investments grow over time with our intuitive compound interest calculator.

  • Tip Calculator: Splitting the bill has never been easier. Our built-in tip calculator helps you quickly determine the right amount to leave for service.

  • Change Theme Color: Personalize your app experience by choosing from a variety of beautiful themes.

  • No Ads: Enjoy an uninterrupted, seamless user experience.

  • Support Development: Your support helps us continue to improve the app and add new features.

Why Choose Delta?

  • Clean & Intuitive Interface: Our minimalist design makes it easy to navigate and perform calculations quickly.

  • Accurate & Reliable: Trust Delta to deliver precise results every time.

  • Lightweight & Fast: The app is optimized for performance, ensuring a smooth experience.

Download Delta: Percentage Calculator today and simplify your daily calculations!

Terms of Service

Effective Date: 6 September 2025

Welcome to the Delta app (“the App”), owned and operated by Polydez. By downloading or using the App, you agree to be bound by these Terms of Service (“Terms”). If you do not agree to these Terms, do not use the App.

1. Use of the App

The App is a percentage calculator for personal, non-commercial use. You agree not to use the App for any illegal or unauthorized purpose.

2. Offline Functionality

Delta is a fully-offline application. All calculations and data, including your calculation history, are stored locally on your device and are not transmitted to us or any third parties.

3. Intellectual Property

The App and its original content, features, and functionality are owned by Polydez and are protected by international copyright, trademark, and other intellectual property laws.

4. Changes to Terms

We reserve the right to modify these Terms at any time. We will notify you of any changes by posting the new Terms on this page. Your continued use of the App after any changes constitutes your acceptance of the new Terms.

5. Governing Law

These Terms are governed by the laws of Melbourne, Australia. Any disputes arising out of or relating to these Terms or your use of the App will be resolved in Melbourne, Australia.

6. Contact Us

If you have any questions about these Terms, please contact us at [contact email, e.g., [email protected]].

 

Privacy Policy

This Privacy Policy explains how Polydez (“we,” “us,” or “our”) handles user data for the Delta app (“the App”). Your privacy is important to us, and we are committed to being transparent about our data practices.

1. Data We Do NOT Collect

The Delta app is designed to be completely private. We, as Polydez, do not collect, store, or transmit any personal data from you. This includes, but is not limited to, your name, email address, location, device ID, or any of your calculation data. All your calculations and history are saved locally on your device and are not accessible to us.

2. Anonymous Usage Data

We use anonymous, non-personal data provided by Google Play Services, such as the total number of app downloads and daily active users. This data is aggregated and does not identify you as an individual. We use this information solely to understand the overall popularity and usage of the App.

3. Third-Party Advertising (Google AdMob)

The free version of the App uses advertising provided by Google AdMob. Google AdMob may collect certain data to serve relevant ads, as described in their own privacy policy. This data collection is handled directly by Google, and we, as the developers of the App, do not have access to any of this information. We recommend that you review Google’s privacy policy to understand their data collection practices: https://policies.google.com/privacy.

4. Security

Since we do not collect any personal or sensitive user data, there is no risk of a data breach from our end. Your information remains on your device.

5. Children’s Privacy

The App is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13.

6. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.

7. Contact Us

If you have any questions or concerns about this Privacy Policy, please contact us at [contact email, e.g., [email protected]].