Get organized! Conquer numbers on the go. Digits 3 is a top-to-bottom rewrite made for the latest iOS and devices.

We're human. We're busy. We make mistakes. So we designed a calculator for humans, from the ground up. Digits combines the editability of a spreadsheet with the simplicity of a calculator. Digits is a calculator a human can love.

So, why do so many humans love Digits? Its uniquely correctable tape means never worrying if you entered a calculation correctly. Make a mistake? Tap any entry on the tape to correct it (or edit, insert, copy and more). Then, add a label/comment and email or print the tape.

Digits is Shift’s highly-rated iOS calculator app that features an intuitive, fully correctable and editable line-by-line tape history. It uniquely provides spreadsheet-like editing with calculator-level simplicity. Tapes are stored as documents so groups of calculations can be stored and edited conveniently. Comments can be added to each calculation line, making the app ideal for expense tracking and budgeting.

Digits 3 highlights:
• An updated, polished user interface with buttery-smooth interaction.
• Night Mode and detailed color and sound customization.
• Multi-threaded processing for desktop-level performance.
• In-app upgrades, starting with Tape Document sharing (via Messages, Mail, Dropbox
and other popular file sharing services).
• Built from the ground up with support for 64-bit and the latest iOS/hardware.
• Designed to maximize resolution on devices like the iPhone X.
• Split View support on iPad for side-by-side work.
• Expanded in-app help.
• Accessibility VoiceOver support.

How Digits earned its stars:
• Spreadsheet-like editing with calculator-level simplicity.
• Fully correctable and editable line-by-line tape history.
• Fluidly enter values, label and email or print.
• Double-check and correct entries with ease.
• Export Tape Documents in a variety of formats.

Button functions:
Delete row, backspace, clear all, clear, memory, memory plus, memory minus, plus or minus, tape browser, percent, export, settings, shop, tips, help, edit, insert, total, copy, use, comment, flag, sin, cos, tan, square, cube, exponent, square root, cube root, root, inverse, Euler, Pi, add, subtract, multiply, divide, total.

What’s New

Version 3.1.1

Digits gets even more human-compatible with this update:
+ We’ve added Image and Text options to Pro Sharing to make sharing tape exports even easier.
+ Export and Print options are now available directly from the Tape Browser – just hold any tape to show actions.
+ Safety first: Some users were accidentally hiding the tool bar. Tool bar hiding is now off by default and can be enabled from Preferences.

Ratings and Reviews

4.7 out of 5
397 Ratings

397 Ratings

LittleFuzzyWormisnottaken ,

Awesome App - Rare Features & “Human touch”

Dump every calculator you have, I had 4 before I found this, they all sucked because they did not touch on the human being side of things like this App does so well.
Very few app creators are remembering that there is flesh and bone on the other end of these devices, this app nails it.

#1 BEST FEATURE (for me): has to be the “comments integration”, it’s the only reason I bought it at first actually, I’m hoping they will expand even more on the identification elements of each mathematical entry, it’s so nice to see exactly what each line represents “in real life”, so to speak....which is challenging considering the limited amount of real estate on these phones, I get it. Nice.

#1 RARE APP FEATURE: (I’ve never seen this on a “Utility” App).....the Customizable Color Wheel in settings...It actually has a semi-full color range HUE slider, with saturation etc....that’s really rare (Outside of the Smart-Home lighting Apps themselves)...these guys are on point.

(Why a 4?) = Overall 1 dope App, but yes I am a stickler, I am missing the ability to enable ‘Night Mode’, which is mentioned in App description & screenshots....But I do see it: it’s under the “Upgrades Tab”, for purchase @ .99 (I assume), but it still says “coming soon”...?
(I’ll bump to a 5 soon as its working tho!)

DEVELOPER(s) —> keep up the good work - mention the Color Wheel in your description & boost those downloads even more....

Developer Response ,

Thanks so much for taking the time to write up a detailed review. We’ve read it over and will definitely consider your suggestions. One thing to note: The latest update does have support for Night Mode (and more!) with the Pro Design in-app purchase. We'd appreciate an updated review once you’ve had a look!

musicgal8199 ,

I waited the entire time for the update!

This is the calculator app to have. Incredibly easy to use and I would gladly pay more for the app than they are charging. I was in an accident awhile back that left me with brain damage. One of the complications is short term memory loss. This app was invaluable to me and when I couldn’t use it because it wasn’t compatible with the new iOS update, I went into small panic mode. I downloaded at least 20 calculator apps and only one of them was remotely useful. I never deleted this app and would periodically check to see if I could open it. You can’t even imagine how happy I was when it actually opened. If you’re questioning if this app is worth downloading, it is.

Developer Response ,

Thank you so much for your review. We are so happy to hear that Digits is a useful tool for you!

fuirious ,

Love the app...but

Update May, 17:
In the same way that you considered the need of those users, please consider the need of the users that understands how the toolbar works and don’t want to hide it every time they launch the app to reclaim real state. A single button in settings “Remember the toolbar position” will do the trick. For new installations, the “Allow Tool Bar Hidding” could be disabled by default in order to prevent the accidental hidding. Then, savvy users, could access settings and enable hidding and my suggested button for remember the hide/not hide toolbar status. Thank you.

Update May, 13:
The last update have a setting to enable hidden the tool bar...however I want a setting to PERMANENTLY hide the tool bar. (Visible only if I swipe up on the result “handle”)

I will love to permanently hide the bottom icon bar. While I understand that the developers need to highlight the In-app purchases section, It takes away screen real estate. I also already purchased the themes. A few versions earlier you can hide the icon bar and it will stay hidden.

Developer Response ,

Thanks for your review. The toolbar is required to access settings, allow for exporting from the calculator screen. We had previous issues with users unable to access these features because they had hidden the toolbar. So we made that a settings option.

In-App Purchases

Pro Design
Night Mode, sound sets, more layout options.
Pro Export and Sharing
Share, backup and print to popular services.


30.8 MB

Requires iOS 10.3 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
Rated 4+
© Copyright 2010-2019 Joshua Distler and Shift. All rights reserved.
In-App Purchases
  1. Pro Export and Sharing $0.99
  2. Pro Design $0.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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