# Prozent – Percent Calculator — VAT, Tip, Margin & % Change

> VAT, Tip, Margin & % Change (iPhone/iPad app by Julian Paul Bermeiser.)

- Source: https://appshunter.io/ios/app/prozent-percent-calculator/id6814174286 (this page in markdown: same URL + `.md`)
- Developer: [Julian Paul Bermeiser](https://appshunter.io/developer/6813038329)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English, German (Germany)
- Released: 2026-09-29
- Data updated: 2026-10-26

## What is Prozent?

Prozent writes every percentage calculation as a sentence you can read at a glance. Enter your numbers and the answer appears at the end: 15 % of 200 = 30.

All eight calculations are on one screen at the same time, so you never have to switch screens to find the right one.

EIGHT CALCULATIONS AT A GLANCE
• Percent of – 15 % of 200 = 30. Also shows 1 % and 10 % of the base, handy for mental maths.
• Plus or minus % – 200 plus 19 % = 238. Switch between plus and minus and see the amount added or saved and the factor (1.19).
• Share in percent – 50 of 200 = 25 %. Also shows the difference and the rest to 100 %.
• Base value – 50 = 25 % of 200. Find the whole amount from a part, with the difference and the rest.
• Change – 200 → 250 = +25 %. Shows the difference, the factor and the way back (−20 %).
• VAT – 100 net + 19 % = 119. Switch between net and gross to calculate in both directions. The VAT amount, net and gross are always shown.
• Tip – 48.50 + 10 % ÷ 2 = 26.68. Add a tip and split the bill: per person, total and tip.
• Margin – Cost 40 price 99 = +59.60 %. Enter cost price and sale price to see margin, markup and profit.

UNDERSTAND THE NUMBERS
Every calculation comes with a one-line explanation. Tap it to read more about the terms, for example why margin and markup are not the same, or why the way back is a different percentage.

QUICK TO USE
• A custom keypad slides up, with quick percentages 5, 7, 10, 15, 19, 20, 25 and 50 % for percentage fields.
• A Next key takes you to the next field, plus Clear and backspace keys.
• Tap a result to copy the plain number. A small bar then lets you share the full sentence, for example “15 % of 200 = 30”.
• Your inputs and settings are remembered.

FREE AND PRIVATE
Prozent is free. No ads, no in-app purchases, no account and no tracking. The app collects no data and works completely offline.

MAKE IT YOURS
• Default tax rate: 19, 7, 20, 25 or 0 %
• Decimal places: automatic, exact, 0, 2 or 4 – “exact” rounds nothing away
• Currency symbol: none or one of 15 – €, $, £, CHF, ¥, ₹, zł, Kč and more (shown on money amounts only)
• Explanations on or off
• Appearance: system, light or dark
• Language: English or German
• Reorder or hide calculations
• Reset everything

EASY TO READ
Large, bold type on a warm, paper-like background with a fine grid and a dark header. Light and dark mode are both included. Prozent follows the text size you set on your iPhone and supports the built-in screen reader.

Made by OS Factory.

## Is Prozent safe?

Not enough ratings yet to assess Prozent.

## Is Prozent legit?

Prozent – Percent Calculator has limited verification signals. The AppsHunter Legitimacy Score for Prozent is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-10-18

After you have used the app for a while, it now asks once whether you would like to rate it – at most once a year. Plus small improvements.

### 1.0 — 2026-09-30

No release notes.

## More apps by Julian Paul Bermeiser

- [Scanner OS – Docs & Receipts](https://appshunter.io/ios/app/scanner-os-docs-and-receipts/id6818607453)

All apps by Julian Paul Bermeiser: https://appshunter.io/developer/6813038329

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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 2026-10-26.*