Massive Dev Chart Timer

Massive Dev Chart Timer

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Description

The #1 app for B&W film developing. The Massive Dev Chart Timer combines an advanced multi-step darkroom timer with an offline copy of the world's largest database of B&W film development times; maintained online since 1995 and currently including over 18,000 unique tried and tested entries unavailable elsewhere. If you are looking for a film developer timer, then there is no rival thanks to its advanced darkroom pro feature set, full customizability and superior performance.

Take your black and white photography to another level and get consistent results with any film or developer. Audio agitation reminders will help you never make a processing mistake again! Modify time and temperature, automatically calculate volumes, share and store your own data for ease-of-use. The Massive Dev Chart Timer is used by thousands of photo enthusiasts, students and professionals worldwide.

This app is managed directly by Digitaltruth Photo Ltd and we offer full lifetime support and guaranteed updates.

Darkroom Timer / Film Developing Timer


★★★ Features ★★★

• Offline copy of The Massive Dev Chart in your pocket
• Multi Step Timer with sound notifications
• Customizable agitation scheme
• Darkroom themes
• Dilution Mixer
• Support for two-step development and two-step fixing
• Support for optional hypoclear and photo flo steps
• Automated development time/temperature compensation

Developer

Freestyle Photo & Imaging

Developer ID: Freestyle Photo & Imaging

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Recent Reviews

Fennec Cooper

v4.6.10

Great app, works perfectly. Would be nice if there was a way to add custom films/share online via JSON or something. Because it's missing some like dragon film, or taking tasma 42L for example it only supports dd 200 and not something like dd-x 400.

Developer Response

Thank you for your feedback! We're actively exploring ways to make sharing new recipes with other users easier. If you have specific ideas please reach us at appsupport@freestylephoto.com. Currently new entries can be created using an existing template and modifying it but we understand the sharing of that info could be improved.

31 Aug 2026

29 Aug 2026

Sahil Zafar

v4.6.10

Should be an option to skip step

Developer Response

Thanks! You can edit steps to skip them before starting, but not during active timers. Could you email us at appsupport@freestylephoto.com with your specific scenario? We'd love to learn more.

10 Aug 2026

9 Aug 2026

Giuseppe G.

v4.6.8

I love the idea, and have been using this for years. However if you use a lot of developers and films, this will quickly become useless. The 'my times' pane shows each film/dev in its own row. If you routinely use 5 films and 5 developers, and perhaps want to keep times for 3 different temperature levels, you're left with scrolling through a massive list of 75 rows to go and find your desired dev plan. It would be good instead to be able to collapse all this data in nested lists, e.g. by film.

Developer Response

While we're sorry to hear you are unsatisfied with the app, we appreciate your suggestion.

6 Mar 2026

6 Mar 2026

Anthony Dark

v4.6.7

Working great, no ads when you pay with a small amount.

Developer Response

Your feedback and support is appreciated!

9 Feb 2026

9 Feb 2026

Roger Bruneau

v4.6.5

Have been using this app for years now. It covers just about every film and developer out there. All good.

Developer Response

Thank you for being a long-term user!

30 Dec 2025

30 Dec 2025

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