Mathintosh is made and published by Justin Fleming. AppBrain is an independent app data site and isn't affiliated with Justin Fleming. The app name, icon, screenshots and description belong to Justin Fleming and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 4.91
- 11 ratings
- Last updated
- October 23, 2026
It doesn't have enough ratings yet to judge what users think.
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Releases
Updates seen on the App Store- Version
- 1.5
- Launched
- August 2025
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 29.1 MB
- Content rating
- Everyone
Technologies used by Mathintosh
About the app and developer
About Mathintosh
Mathintosh is an utilities app developed by Justin Fleming.
What is the rating of Mathintosh?
Mathintosh is rated 4.91 out of 5 stars, based on 11 ratings.
Is Mathintosh free?
Mathintosh is free. The app size is 29.09 MB. The latest version available is 1.5. The last update was on October 23, 2026.
What are the requirements for Mathintosh?
The app has a content rating of Everyone. The app has been available on the App Store since August 2025.
Developer information for Justin Fleming
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Store listing
By Justin Fleming, from the App Store
Description by Justin Fleming Written by the developer, not by AppBrain. Click to read.
Mathintosh is a fast, fun, multi-function calculator for iPhone, iPad, iPhone Duo, and Apple Watch, packed with helpful tools, beautiful themes and plenty of ways to make it your own.
Four Core Modes
• Calculator: fast, easy, and every basic covered.
• Scientific: trigonometry, logarithms, powers, factorials, memory and more.
• Tip Calculator: pick your percentage, round the total up or down, and split the bill.
• Converter: dozens of units across 10 categories, including live currency rates and time zones.
Three More Modes
• Fraction: separate whole-number, numerator and denominator pads, with step-by-step working.
• Pythagoras: enter any two sides of a right triangle to find the third.
• Quadrilaterals: solve for any four-sided shape.
Made for Every Screen
• iPhone Duo: Mathintosh adapts to every pose. Half-open, the display sits above the fold and the keys below; turn it sideways and your paper tape sits alongside.
• iPad: big, comfortable keypads with a consistent look in every mode.
• Apple Watch: a calculator on your wrist that syncs your theme from iPhone.
Make It Yours
• 23 themes, from classic terminals to vibrant colors and retro-inspired tech. PDP-11 and Luminosity are free, each with light and dark modes; 21 more come with a one-time purchase.
• Choose your fonts, button shapes, and glass, flat or 3D button styles.
• The same purchase unlocks 11 alternate app icons.
Handy Extras
• Paper tape: a clear history of every calculation, ready to review, pin and share.
• Send a value from one mode to another with a tap.
• Widgets, Control Center controls and Quick Actions.
• Built-in support for VoiceOver, Dynamic Type and other accessibility features.
Mathintosh is actively developed, and new features arrive regularly.