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Pro Calc+ 5-in-1 app review: the most comprehensive free calculator app in the app store



Pro Calc+ 5–in–1 by Riza Ali is arguably the most comprehensive calculator app you will find in the app store. This app has all the bells and whistles you could ask for in a calculator app. Not only will it perform basic calculations, but it will also help you to calculate your restaurant bill, help you to convert units of currency and weight, and it will help you work out your monthly loan calculations. What more could you ask for in a calculator app? If you're sick of using different apps to perform multiple calculations then this may be just the app you're looking for. This is a free app and it's compatible with the iPhone, iPad, and iPod touch.

The best iPhone apps for scientific calculators 2021

Pro Calc+ 5-in-1


Never Miss A Calculation

If you try counting the number of calculator apps in the app store, you'll give up pretty quickly because there are just too many keep track of. However, just because there are a lot of calculator apps it doesn't mean there are a lot of good ones. Most of them perform basic math calculations, but don't offer much else. This is what gives Pro Calc+ 5–in–1 an edge on the competition. It's got a great user-interface – so if you're looking for a fantastic calculator app that can simply do it all then should definitely check this one out.

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If I have one major criticism of this app, it is that it has the tendency to freeze on occasion. This can be quite frustrating, especially when you're in the middle of an important calculation. Although considering all the functionality that this app has, that's a minor inconvenience. There are no ads or in app purchases and the buttons are nice and large making it a pleasure to use. If you're not sure how something works, many of the features include a little question mark Icon which you can tap on to get answers. This app will require 28.4 M B of available space on your iOS device.

How it Works

The app will default to the standard calculator mode. If you want to change modes you’ll find all the available options lined up on the menu along the bottom of the app. To toggle between views you simply tap on the icon of the tool you'd like to use. The available options include a loan calculator, a tip calculator, the regular calculator option, and a conversion option. Each option contains its own set of unique features.

The tip calculator option can not only figure out your tip at the percentage you define, it can split it evenly between your whole party. This can prevent a lot of unnecessary disputes between friends. The conversion option gives you lots of different choices: you can convert area, length, speed, temperature, volume, weight, and even from one currency to another. The loan calculator is just as handy, it allows you to set the principal, the terms, the interest, and your down payment. You'll never miss another loan payment again.

The best iPad apps for scientific calculators

Pro Calc+ 5-in-1


Pros and Cons


  • No ads
  • Excellent user interface
  • Five different calculator functions
  • Nice big numbers


  • Has a tendency to freeze once in a while

Final Words

If you're looking for a calculator that can do it all, Pro Calc+ 5–in–1 may be the best option available in the App Store. This app includes a regular calculator, a conversion option, a tip calculator, and a loan calculator. It does everything you could ask for in a calculator. This is an app you definitely must have.


Pro Calc+ 5-in-1

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Cherry is a hard-working writer and an aspiring web designer who can't go a day without using her favorite apps. She's always on the lookout for new apps and enjoys discovering ones that others have overlooked.