Mirror Jar: Tip Calculator
Palindrome Totals & Split Bill
About
Easily calculate tips and split bills with a unique palindrome feature. Ensure your total is memorable and easily verifiable on your statement, with options for various tip percentages and group splitting. Enjoy a private, ad-free experience with customizable themes.
What's New in Mirror Jar
1.0.1
October 24, 2026
Looks great on iPhone Duo in every position: hold it open sideways for two pages, or upright for one big keypad. New: a share button to send Mirror Jar to friends on iPhone or Android.
MoreFAQ
What is the main benefit of Mirror Jar's palindrome totals?
Palindrome totals make your bill and tip amount easy to remember and verify on your card statement. If the total isn't a palindrome, you'll immediately notice if any changes were made after you signed.
Can Mirror Jar be used for group bill splitting?
Yes, Mirror Jar allows you to split the bill between 2 and 6 people. Each person's individual amount is also a palindrome, making it easy for everyone to check their own statement.
Does Mirror Jar have ads or in-app purchases?
No, Mirror Jar is completely free, with no ads and no in-app purchases. It is designed to be private, with no account creation or tracking required.
How does Mirror Jar handle different tip percentages?
Mirror Jar instantly shows palindrome totals for 15%, 20%, and 25% tips as you type the bill amount. You can also tap 'Show all tips' for 17 options ranging from 5% to 100%, all rounded up to the next palindrome.
What devices is Mirror Jar available on?
Mirror Jar is designed for both iPad and iPhone, offering a dual-pane layout on iPad and an unfolding experience on iPhone Duo devices.
How often is Mirror Jar updated?
Mirror Jar was last updated on October 24, 2026, with version 1.0.1. This indicates a recent update, suggesting ongoing support and development.
What is the age rating for Mirror Jar?
Mirror Jar has an age rating of 12+, making it suitable for most users who need a tip calculation tool.
Can I customize the look of Mirror Jar?
Yes, Mirror Jar offers five hand-made themes, including Blood orange, Riviera, Spritz noir, Porcelain, and Linen. Your home screen icon will also change to match your selected theme.
