Calcbot is an intelligent calculator and unit converter for the rest of us. Featuring an easy-to-read history tape, expression view, intuitive conversion, and much more!

History Tape*.
Every calculation you enter gets saved to the history tape. Refer to calculations later or send them right back to your current calculation.

Expression View.
Calcbot's original expression view allows you to see everything you have typed so you'll never forget what you entered or miss a typo.

Apple Watch Extension.
Perform basic calculations, conversions, calculate tips, and split bills right from your Apple Watch.

Convert any of your calculations with over 500 units across 22 different categories including auto-updating currency rates.

Fave a calculation and get instant access to its result via the Favorites Key. No more cryptic memory keys.

Scientific Functions.
Rotate your device into landscape mode to gain access to common scientific functions.

Get instant access to scientific constants like Pi, Atomic Mass, or add your own*.

Round for Currency.
Have all of your results rounded to two decimal places.

iCloud Sync.
Sync your history tape, constants, and faves across all of your Macs, iPhones, and iPads.

Sounds & Animations.
Beautiful custom animations and sound effects provide positive feedback and an enjoyable experience while performing calculations.

* In-App purchase required.

What’s New

Version 2.4.3

- Fixed a couple of bugs

Ratings and Reviews

4.5 out of 5
31 Ratings

31 Ratings

Being without nickname ,


I use it since stone age. Really nice and useful app

FartingRocket ,

Apple Watch app not a native app, otherwise it’s ok

I like the app, but I bought it because of it’s supposed Apple Watch app that has horrendous delays and does not work out of range of my phone, making it unusable for the normal circumstances.

_SSL_ ,


REALLY? I bought this app when it was PAID, but now they crippled the app (removed all the good features like history tape) and begging for more money (as an in-app purchase) to get these features back! Absolute bastardry. You basically stole my money. No more purchases from you.


16 MB

Requires iOS 11.0 or later. Compatible with iPhone, iPad and iPod touch.


English, Arabic, German, Japanese, Russian, Simplified Chinese

Age Rating
Rated 4+
© 2019 Tapbots LLC
In-App Purchases
  1. Calcbot Pro 2,29 €
  2. Theme Pack 2 1,09 €
  3. Theme Pack 1 1,09 €


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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