---
title: "Zone System - Bewertungen, Einnahmen und Downloads in Portugal | Apple App Store"
description: "Zone System is a practical tool for applying Ansel Adams’ exposure and development method.  • Measure shadows and highlights to set exposure • Get aperture and development (N, N+, N–) calculations • P"
---

# Zone System — Portugal

![Zone System App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/03/23/34/0323346b-cfad-6793-a944-08cf6a7e8a71/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png)

**Developer:** [Davin Nguyen](https://apptail.io/de/developer/davin-nguyen-naRf)
**Category:** Photo Video
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.davin.ZoneSystem
**Store:** Apple App Store
**Country:** Portugal
**Version:** 2.5.3 (released 2026-02-05)
**Original Release:** 2025-02-12
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/pt/app/app/id6741873549)
**AppTail Page:** [https://apptail.io/de/app/zone-system-RfRv/portugal](https://apptail.io/de/app/zone-system-RfRv/portugal)

## Zone System Description
Zone System is a practical tool for applying Ansel Adams’ exposure and development method.

• Measure shadows and highlights to set exposure
• Get aperture and development (N, N+, N–) calculations
• Preview results with film stock presets
• Get calculations for aperture, shutter speed, ISO, and EV

This app makes the Zone System simpler, faster, and more reliable.

## Zone System Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/bd/25/fe/bd25fe6f-24c3-7472-4383-cd10559964c3/Simulator_Screenshot_-_Apple_Watch_Series_10__U002846mm_U0029_-_2025-09-03_at_09.40.05.png/416x496.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/db/cb/fd/dbcbfdde-7ee1-6082-b6f3-45252e5ba07c/Simulator_Screenshot_-_Apple_Watch_Series_10__U002846mm_U0029_-_2025-09-03_at_09.40.23.png/416x496.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e8/f4/c6/e8f4c61f-f0df-ecf3-a871-3c6720934c76/Simulator_Screenshot_-_Apple_Watch_Series_10__U002846mm_U0029_-_2025-09-03_at_09.40.06.png/416x496.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/27/50/7a/27507a8c-faa2-77e2-8a6f-e516f379d8a6/Simulator_Screenshot_-_Apple_Watch_Series_10__U002846mm_U0029_-_2025-09-03_at_09.40.24.png/416x496.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/2b/8b/44/2b8b447a-79c1-e944-fa81-d52e45ccbf47/Simulator_Screenshot_-_Apple_Watch_Series_10__U002846mm_U0029_-_2025-09-03_at_09.40.12.png/416x496.png)




## Zone System Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Bezahlt | Italien | Photo Video | #31 |
| Top Bezahlt | Italien | Overall | #369 |



## Zone System Available In
- [Vereinigte Staaten](https://apptail.io/de/app/zone-system-RfRv/united-states)
- [Niederlande](https://apptail.io/de/app/zone-system-RfRv/netherlands)
- [Österreich](https://apptail.io/de/app/zone-system-RfRv/austria)
- [Australien](https://apptail.io/de/app/zone-system-RfRv/australia)
- [Aserbaidschan](https://apptail.io/de/app/zone-system-RfRv/azerbaijan)
- [Belgien](https://apptail.io/de/app/zone-system-RfRv/belgium)
- [Bulgarien](https://apptail.io/de/app/zone-system-RfRv/bulgaria)
- [Kanada](https://apptail.io/de/app/zone-system-RfRv/canada)
- [Schweiz](https://apptail.io/de/app/zone-system-RfRv/switzerland)
- [Kolumbien](https://apptail.io/de/app/zone-system-RfRv/colombia)
- [Zypern](https://apptail.io/de/app/zone-system-RfRv/cyprus)
- [Deutschland](https://apptail.io/de/app/zone-system-RfRv/germany)
- [Dänemark](https://apptail.io/de/app/zone-system-RfRv/denmark)
- [Dominikanische Republik](https://apptail.io/de/app/zone-system-RfRv/dominican-republic)
- [Ecuador](https://apptail.io/de/app/zone-system-RfRv/ecuador)
- [Estland](https://apptail.io/de/app/zone-system-RfRv/estonia)
- [Ägypten](https://apptail.io/de/app/zone-system-RfRv/egypt)
- [Finnland](https://apptail.io/de/app/zone-system-RfRv/finland)
- [Griechenland](https://apptail.io/de/app/zone-system-RfRv/greece)
- [Ungarn](https://apptail.io/de/app/zone-system-RfRv/hungary)
- [Indonesien](https://apptail.io/de/app/zone-system-RfRv/indonesia)
- [Irland](https://apptail.io/de/app/zone-system-RfRv/ireland)
- [Indien](https://apptail.io/de/app/zone-system-RfRv/india)
- [Island](https://apptail.io/de/app/zone-system-RfRv/iceland)
- [Kuwait](https://apptail.io/de/app/zone-system-RfRv/kuwait)
- [Libanon](https://apptail.io/de/app/zone-system-RfRv/lebanon)
- [Litauen](https://apptail.io/de/app/zone-system-RfRv/lithuania)
- [Luxemburg](https://apptail.io/de/app/zone-system-RfRv/luxembourg)
- [Malta](https://apptail.io/de/app/zone-system-RfRv/malta)
- [Mexiko](https://apptail.io/de/app/zone-system-RfRv/mexico)
- [Neuseeland](https://apptail.io/de/app/zone-system-RfRv/new-zealand)
- [Peru](https://apptail.io/de/app/zone-system-RfRv/peru)
- [Polen](https://apptail.io/de/app/zone-system-RfRv/poland)
- [Portugal](https://apptail.io/de/app/zone-system-RfRv/portugal)
- [Russland](https://apptail.io/de/app/zone-system-RfRv/russia)
- [Slowenien](https://apptail.io/de/app/zone-system-RfRv/slovenia)
- [Slowakei](https://apptail.io/de/app/zone-system-RfRv/slovakia)
- [Taiwan](https://apptail.io/de/app/zone-system-RfRv/taiwan)
- [Ukraine](https://apptail.io/de/app/zone-system-RfRv/ukraine)
- [Vereinigte Arabische Emirate](https://apptail.io/de/app/zone-system-RfRv/united-arab-emirates)
- [Vietnam](https://apptail.io/de/app/zone-system-RfRv/vietnam)
- [Argentinien](https://apptail.io/de/app/zone-system-RfRv/argentina)

---

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