# Pre-Press Gray Levels

> Pre-Press Gray Levels (iPhone/iPad app by Manfred Breede.)

- Source: https://appshunter.io/ios/app/pre/id429564180 (this page in markdown: same URL + `.md`)
- Developer: [Manfred Breede](https://appshunter.io/developer/414696754)
- Category: Business, Education
- Price: $0.99
- Age rating: 4+
- Requires: iOS 8.0 · 1 MB
- Languages: American English
- Released: 2011-04-06
- Data updated: 2025-12-03
- User reviews in markdown: https://appshunter.io/ios/app/pre/id429564180/reviews.md

## What is Pre?

This app calculates the number of achievable gray levels according to the output resolution of a device and the halftone screen ruling used.

The user simply enters the output resolution and halftone screen ruling, followed by clicking on a "Calculate" button.


## Version history (last 5 releases)

### 1.4 — 2022-12-21

Compatibility with latest iOS version.

### 1.3 — 2019-11-10

Compatibility with latest iOS versions.

### 1.2 — 2016-10-05

New user interface.

### 1.1 — 2012-03-12

The keyboard was changed from Number & Punctuation to Number Pad. The App icon was changed to a design that is more suitable to the app's function.

### 1.0 — 2011-04-06

No release notes.

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## More apps by Manfred Breede

- [Basis Weight To Grammage](https://appshunter.io/ios/app/basis-weight-to-grammage/id416451122)
- [Grammage To Basis Weight](https://appshunter.io/ios/app/grammage-to-basis-weight/id421703573)
- [MWeight to GSM](https://appshunter.io/ios/app/mweight-to-gsm/id425910510)
- [M Weight To Basis Weight](https://appshunter.io/ios/app/m-weight-to-basis-weight/id427500575)
- [Paper Roll Length](https://appshunter.io/ios/app/paper-roll-length/id427724293)
- [M-Weight Calculator](https://appshunter.io/ios/app/m/id427808228)

All apps by Manfred Breede: https://appshunter.io/developer/414696754

## Related topics

[graysky](https://appshunter.io/ios/topics/graysky) · [gray background](https://appshunter.io/ios/topics/gray-background)

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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 2025-12-03.*