# Mathintosh — A fun and powerful calculator!

> Multi-function calculator, unit converter, and tip calculator with extensive customization. (iPhone/iPad app by Justin Fleming.)

- Source: https://appshunter.io/ios/app/mathintosh/id6746828132 (this page in markdown: same URL + `.md`)
- Developer: [Justin Fleming](https://appshunter.io/developer/1818716379)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 4.90/5 from 10 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.6 · 28 MB
- Languages: American English
- Released: 2025-08-06
- Data updated: 2026-07-04
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/mathintosh/id6746828132/reviews.md

## What is Mathintosh?

A calculator. A tip calculator. A unit converter. These are not three separate apps... this is one app, and I'm calling it Mathintosh!

Mathintosh is a powerful and fun multi-function calculator for iOS, packed to the brim with helpful features, beautiful themes, and a ton of customizations.

There are no ads whatsoever, no data collection of any kind, and the app is fast, easy-to-use, and supports many powerful iOS-native accessibility features. And all functionality is available completely free, with the only an in-app purchase for theme and icon customizations.

Four primary modes:
• simple calculator: fast, easy, and all the basics are covered
• scientific calculator: functionality of all kinds, covering every calculating need under the sun
• tip calculator: intuitive design gets you a tip based on your preferred percentage, now more customizable, with innovative rounding and splitting features
• unit converter: convert dozens of units across 10 modes, including a live-updating currency conversion and a unique timezone conversion

And two additional new modes:
• Fraction mode with separate numerator and denominator number pads for quick and easy fraction calculations
• Pythagorean theorem mode for easy calculations of any missing side

Features include:
• In-app purchase for 20 additional incredible premium themes ranging from monochrome to vibrant to retro-inspired technology, and more
• In-app purchase also include the ability to pick a custom app icon from a colorful selection of 11 choices
• Customizable fonts, button shapes, glass v. flat v. 3D icons, and so much more
• Paper tape shows the history of all your calculations in one convenient place
• Share values across the app, from one calculator or mode to another, using a handy banner at the top of the screen
• Apple Watch app that syncs your selected theme over from the iOS app
• Widget and Control Center and Quick Actions support

Many exciting features continue to be added that you won't want to miss!

## Key features

- Simple and scientific calculator modes
- Tip calculator with rounding and splitting
- Unit converter with currency and timezone
- Fraction and Pythagorean theorem modes
- Customizable themes, fonts, and icons
- Paper tape history and cross-app sharing
- Apple Watch app and widget support

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium Themes | $2.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/mathintosh/id6746828132/reviews.md

### 5/5 — Powerful and Customizable

*2025-08-12*

The functionality built into one single calculator app is incredible! I love the ability to view the history of all operations, and quickly transfer numbers between different calculators. The personalization options within the app are also amazing.

**Developer response:** Thank you so much for your review! I plan to keep fixes and new features coming, so please be on the lookout for more soon.

## Frequently asked questions about Mathintosh

### What is Mathintosh?

Mathintosh is a multi-function calculator app for iOS that includes a simple calculator, scientific calculator, tip calculator, unit converter, fraction mode, and Pythagorean theorem mode. It offers extensive customization options and an Apple Watch app.

### Is Mathintosh free to use?

Yes, Mathintosh is free to download and use. All core functionality is available without charge. There are optional in-app purchases for theme and icon customizations.

### Does Mathintosh have ads?

No, Mathintosh is completely ad-free. The developer explicitly states there are no ads whatsoever and no data collection.

### What devices does Mathintosh support?

Mathintosh supports iPhone, iPad, and Apple Watch. The Apple Watch app syncs your selected theme from the iOS app.

### How often is Mathintosh updated?

The app was last updated on February 16, 2026, indicating active development. Many exciting features continue to be added.

### What are the customization options in Mathintosh?

Mathintosh offers extensive customization, including premium themes, custom app icons, customizable fonts, and choices for button shapes and icon styles (glass, flat, 3D).

### Can I share calculations between modes in Mathintosh?

Yes, you can share values across the app from one calculator or mode to another using a handy banner at the top of the screen.

### What is the age rating for Mathintosh?

Mathintosh has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 5 releases)

### 1.3.1 — 2026-02-16

Fixes a crash in Scientific mode calculations.

### 1.3 — 2026-02-06

• Fraction Mode: New specialized calculator for fraction arithmetic with dual number pads and automatic simplification
• All-New Liquid Glass Tab Bar: Beautiful redesigned tab bar with iOS 26 Liquid Glass UI for seamless navigation
• Favorites in Convert View: Quick access to your most-used conversions with the new Favorites menu
• Enhanced Paper Tape: Completely redesigned paper tape view with improved history tracking and visual clarity
• Customizable Tab Bar: Hide, add, and reorder calculator modes to create your perfect workflow
• Polish & Refinements: Better haptics, smoother animations, enhanced visual feedback, improved button press responses, Reduce Animations option, and much more

### 1.2.1 — 2025-11-07

New in this version are a number of bug fixes, including (but not limited to):

- Rewrote the paper tape as a new full-screen view for a cleaner and more consistent look on all devices
- On completion of in-app purchase, the purchase screen now automatically dismisses and opens settings to show themes and app icons
- Fixed scaling and layout issues on the iPad mini (thanks, testers!)
- Added the new Dusk theme on Apple Watch
- Settings size adjusted on big and small screens
- Resolved repeating digits on physical keyboards in scientific mode

### 1.2 — 2025-10-13

Version 1.2 is packed with new features, such as:

- Liquid Glass buttons and UI elements for iOS and iPad OS 26, maintaining vibrant color and personality but with exciting new animations, textures, and effects (and if you aren't a fan of the new look, you can still pick Flat or Realistic button styles in Settings!)
- Powerful new Pythagoras mode in Scientific mode (under new star menu) makes it easy to plug in any side of a right triangle to get the missing value (credit and thanks to Garrett!)
- Customize the preset percentages in the Tip Calc mode to your liking, just tap and hold on a percentage or access the customization option in Settings
- Quick Actions menu from the icon on the home screen make it easy to jump into any mode
- A dark and handsome new Dusk theme
- Lots of improvements to the still experimental Graphing calculator mode
- Fixed a whole host of bugs, and one nasty one in particular in the Scientific mode (thanks to Neil for discovering!)
- And too many other tweaks to mention...

I hope you like it!

### 1.1 — 2025-08-31

This version adds a lot of new functionality and fun new appearances!

- Apple Watch app (free!) that synchronizes your currently selected theme from your linked iPhone
- Three brand new themes for premium theme purchasers: Unicorn, Nightcall, and Tuxedo
- Dark and light modes now available for a number of themes, giving you many more appearance customizations
- Alternative app icons in 11 fun colors for premium theme purchasers
- A slew of optimizations, improvements, and bug fixes

Let me know what you think in the ratings and comments!

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## More apps by Justin Fleming

- [RoundsKeeper: Game Scorekeeper](https://appshunter.io/ios/app/roundskeeper-game-scorekeeper/id6754217431)
- [Setback: High Pitch Card Game](https://appshunter.io/ios/app/setback-high-pitch-card-game/id6760584215)
- [And Many More: Birthday Alerts](https://appshunter.io/ios/app/and-many-more-birthday-alerts/id6765561665)

All apps by Justin Fleming: https://appshunter.io/developer/1818716379

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-04.*