Lab Assistant: Darkroom Timer

by Jack Kroll · Utilities · Free

On the App Store since November 2025 · Data updated 2026-10-27

Lab Assistant: Darkroom Timer is made and published by Jack Kroll. AppBrain is an independent app data site and isn't affiliated with Jack Kroll. The app name, icon, screenshots and description belong to Jack Kroll and are shown as published on the App Store.

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Last updated: June 25, 2026

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Version: 1.50
Launched: November 2025

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Price: Free
App size: 3.78 MB
Content rating: Everyone

Technologies used by Lab Assistant: Darkroom Timer

About the app and developer

About Lab Assistant: Darkroom Timer

Lab Assistant: Darkroom Timer is an utilities app developed by Jack Kroll.

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App Information

Lab Assistant: Darkroom Timer is freely available from the App Store. The app size is 3.78 MB. The latest version available is 1.50. The last update was on June 25, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since November 2025.

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By Jack Kroll, from the App Store

Screenshots by Jack Kroll, from the the App Store listing

Description by Jack Kroll Written by the developer, not by AppBrain. Click to read.

Bring clarity and consistency to your darkroom. Lab Assistant helps you build, edit, and run film development processes with confidence so you can focus on the craft, not stuck in a development book.

Digitize your process and refine your favorite recipes step by step. Add notes, set precise durations, and define agitation patterns. When you’re ready to develop, Lab Assistant guides you with a clean, focused timer interface that keeps you on track from first pour to final rinse.

Whether you're a seasoned printer or developing your first roll, Lab Assistant turns your workflow into repeatable results.

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