# Portulator

> Calculates spirits needed for port wine alcohol percentage and residual sugar. (iPhone/iPad app by Mark Karasz.)

- Source: https://appshunter.io/ios/app/portulator/id464059258 (this page in markdown: same URL + `.md`)
- Developer: [Mark Karasz](https://appshunter.io/developer/464059261)
- Category: Utilities, Business
- Price: $1.99
- Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 17+
- Requires: iOS 12.0 · 1 MB
- Languages: American English
- Released: 2011-09-15
- Data updated: 2026-06-05
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/portulator/id464059258/reviews.md

## What is Portulator?

This app is a utility that calculates the amount of spirits to add to a wine to make a port wine of a target alcohol percentage.  The first tab is for fortified wines where the user simply inputs the wine volume, wine alcohol percentage, spirits alcohol percentage, and the desired port wine alcohol percentage.  The result is the volume of spirits to add to the wine.  The second tab is for port-style wines.  With a given must volume and a starting and ending Brix, one can calculate the amount of spirits to add for a target alcohol percentage and a given spirits alcohol percentage.  The tab also calculates residual sugar after the addition of spirits.

## Key features

- Calculate spirits for fortified wines
- Calculate spirits for port-style wines
- Target alcohol percentage input
- Calculate residual sugar
- Input wine and spirit alcohol percentages
- Input must volume and Brix levels

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/portulator/id464059258/reviews.md

### 5/5 — Love it!

*2011-09-17*

Why didn't I have this years ago! It is so easy to make a great port.

### 5/5 — Awesome!

*2011-09-16*

Just found this app for making ports and I was able to calculate exactly how much brandy I needed.  All the guess work is gone and it helped make a great port. I wish I had this a long time ago.

## Frequently asked questions about Portulator

### What is Portulator?

Portulator is a paid utility app designed to help users calculate the amount of spirits to add to wine to achieve a target alcohol percentage for port wine. It also calculates residual sugar for port-style wines.

### How much does Portulator cost?

Portulator is a paid application priced at $1.99. This one-time purchase grants access to all its features for calculating port wine alcohol content and residual sugar.

### What devices does Portulator support?

Portulator is available for iPhone, iPad, and iPod touch devices. It is designed to run on Apple's mobile operating system.

### Is Portulator suitable for beginners?

Yes, Portulator is designed to be straightforward. It requires users to input specific values like wine volume, alcohol percentages, and Brix levels to provide accurate calculations for port wine.

### How often is Portulator updated?

The latest version of Portulator, 4.0, was last updated on September 20, 2022. While updates are not extremely frequent, the app has been maintained since its release in 2011.

### What is the age rating for Portulator?

Portulator has an age rating of 17+. This is likely due to the subject matter of alcohol production, even for home use.

### Does Portulator have ads?

No, Portulator does not contain advertisements. As a paid application, it offers an ad-free experience for users focused on winemaking calculations.

### What kind of calculations can Portulator perform?

Portulator can calculate the volume of spirits needed for fortified wines and port-style wines to reach a target alcohol percentage. For port-style wines, it also calculates the residual sugar after spirit addition.

## Version history (last 5 releases)

### 4.0 — 2022-09-20

Support for iOS 16.

### 3.0 — 2017-02-10

Updated for latest iOS.

### 2.0 — 2014-01-07

Optimized for iPhone 5.

### 1.2 — 2012-05-02

This version adds a new tab for port-style wine making.  With a given must volume and a starting and ending Brix, one can calculate the amount of spirits to add for a target alcohol percentage and a given spirits alcohol percentage.  The tab also calculates residual sugar after the addition of spirits.

### 1.1 — 2011-12-08

Update includes:
- a liters or gallons units selection in the wine volume entry field.
- a liters or gallons units selection in the volume of spirits calculated answer.

## Apps similar to Portulator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [3D Print Cost Calculator Lite](https://appshunter.io/ios/app/3d-print-cost-calculator-lite/id1536269882) | — | Free | Utilities |
| [Zerobooks-Pro](https://appshunter.io/ios/app/zerobooks-pro/id6449901775) | 3.1 (19) | $19.99 | Utilities |
| [CellarHand Pocket](https://appshunter.io/ios/app/cellarhand-pocket/id889888779) | — | $2.99 | Utilities |
| [FermCalc Winemaking Calculator](https://appshunter.io/ios/app/fermcalc-winemaking-calculator/id6470156850) | 5.0 (4) | Free | Utilities |
| [Measures Unit Converter](https://appshunter.io/ios/app/measures-unit-converter/id287918318) | 4.5 (20) | $1.99 | Utilities |
| [Zynect Sensors](https://appshunter.io/ios/app/zynect-sensors/id1488219566) | 3.7 (6) | Free | Utilities |

## More apps by Mark Karasz

- [Spiritulator](https://appshunter.io/ios/app/spiritulator/id482443691)
- [Wine-Blender](https://appshunter.io/ios/app/wine-blender/id492648228)
- [Beerulator](https://appshunter.io/ios/app/beerulator/id499960426)
- [Naked Winemaker](https://appshunter.io/ios/app/naked-winemaker/id570580610)

All apps by Mark Karasz: https://appshunter.io/developer/464059261

---

*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 2026-06-05.*