10 Best Calculator Apps for iPhone & Android in 2025

A calculator is a simple gadget that makes our daily life super easy by solving complicated numerical problems in the blink of an eye. These days everything is turning into a mobile app so is the calculators. By default in iPhones and Android phones, basic calculator apps are available, but they aren’t fully functional.

Thus, to perform complexed calculations easily, you need to download some of the best calculator apps for iPhone and Android on your smartphones.

Top 5 Calculator Apps for iOS in 2025

The basic Apple app for calculation lacks advanced features and for iPads, the basic version of the calculator isn’t even available. That’s why if you have iPhones, iPads, or any other iOS gadget, then you can use any of the following apps for making calculations-

1. Calculator +

This is a complete calculation package for iOS users which can fulfill their numerous requirements. The app has a smooth user interface that shows the equation and the result at once to help you out in conducting the calculation process effectively. Calculator + has advanced editing features that allow you to easily browse your calculation. The flexibility and compatibility are two main traits of this free calculator app.

You can solve difficult maths problems easily with the scientific functions and handwriting feature present in the app. If you are looking for personalized calculating experience for free, then download this app from your App Store instantly.

2. Soulver

If you are looking for an elegant notepad style calculator, then go get Soulver. You can easily perform multiple lines of calculation using this app and can even effortlessly correct your mistakes. The app has an option where words can be used with numbers and can be stored in memory. In this advanced calculator app for iPhone, you can conduct percentage calculation easily by using phrases like – “10% off $240” or “$150 + 15% tax”.

Soulver has custom variables to offer as well to improve your flexibility and the dedicated keyboard let you know when to use Variables.

3. PCalc

Well, if you have to solve full-fledged scientific mathematical equations frequently, then PCalc can be your tool. There are features like RPN mode and multi-line display that make it one of the finest calculator apps. The easy button layout offers the optimum level of flexibility to the users. It has numerous constants and conversions present to ease out your math formulas.

This popular app for iPhone has multiple themes available, using them you can easily customize your calculator. This powerful app also supports hexadecimal, octal, and binary calculation also, now what else you want.

4. Calculator HD Pro Lite

This app for making calculations on iPhone is preferred by the professionals because it is packed with some advanced features. You can see input and output simultaneously on this dual-line display app. You can easily customize your calculator with 6 layouts and 9 color schemes. The background, theme, color, and other features of the app can be customized easily. Moreover, for left-hand users, the app has special features so that they can perform their calculations without any hassle.

5. Tydling

If you are in a retail business, then you can calculate tips and discount offer pretty quick with Tydling. The app has a responsive screen that let you edit any number present on your calculator. You can use the attached text label to annotate your number elegantly. The app has real-time features as well that can help you in calculating figures such as bank interest rates and trigonometry. Plus, you can save your calculations in PDF file format or you can directly print them using this powerful calculator app for iPhone.

Top 5 Calculator Apps for Android in 2025

For Android users, there are plenty of different functions and feature-loaded calculator apps available. Android users, you have to download the most efficient apps to make calculations and they are;

6. Clevcalc

It is one of the most popular calculator app available for Android users that can perform multiple functions. The app has the ability to perform basic calculations, can convert units, convert currency, world clock conversion, and GPA calculations. This is a very helpful tool for the ladies as it contains special ovulation calculator that can calculate ovulation time and fertility using the menstrual cycle billing date. In addition, it can calculate your health by BMI and BMR metabolism.

Clevcalc is so calculative that it can calculate your fuel consumption daily to preserve energy and use effectively. So, it has so much that you have to get it.

7. CalcKit All-in-One Calculator

It has 150 calculators including – unit converters, customizable scientific Calculators, floating calculator widgets, etc., This is an app for professionals who want to solve geometry, algebra, matrix and other advance problems. It has some other features as well like notepad integration, dark and light theme, several languages support, and so on.

8. Scalar

It is one of the top calculator apps for Android. That’s because it comes with a powerful math engine and scripting language that lets users write complexed mathematical scripts smoothly. It is an advanced app that has numerous arguments and functions. You can create scripts related to your calculations, expressions, and graphs with the Scalar. For advanced people, it is a useful application.

9. GeoGebra

GeoGebra is an app designed to particularly solve graph functions. The app has features to solve calculus, statistics, algebra and geometry functions. With this app, user can easily create graphs using the simple shapes and easy drag and drop menu. The app is truly advanced as it has a feature where you can real-time changes in your calculations and variables.

10. Photomath

This is a very unique calculator app for Android that uses your phone camera to solve math problems. If you have maths problems in your textbook that you want to solve, then you can take a picture of the problem and the app will solve it for you. The photo calculator app is competent in handling – fractions, decimal numbers, linear equations, logarithms, and other functions. However, the app only solves printed text problems as handwritten problems won’t get solved by this awesome app.

So, if you are not satisfied with the default app provided by your phone manufacturer, then it is high time you replace it with one of the apps listed in the article. All the good quality apps are listed above from which you can download your favorite app and make calculations easier for yourself.