AppMarketSpy › Photo & Video › Z-Stop
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App info
- Developer
- sungho an
- Category
- Photo & Video
- Released
- Oct 2, 2026
- Version
- 1.0.1 (Oct 4, 2026)
- Price
- Free
- Size
- 1.1 MB
- Requires
- iOS 18.0
- Age rating
- 4+
- Languages
- English, Japanese, Korean
In-app purchases
| Z-Stop Pro Yearly | $11.99 |
Current prices, App Store US.
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About Z-Stop
Expose for the shadows, develop for the highlights. Z-Stop is an iPhone spot meter true to this Zone System principle. Shoot black-and-white film with the Zone System, no external meter needed. [ Sound familiar? ] - Still guessing exposure by feel? - Wasting expensive film on bad exposures? - Carrying a spot meter for a camera with no meter? - Metered a shadow and got a picture that was too bright? - Forgetting where you metered by the time you develop? For about the price of a roll of black-and-white film, you can leave these behind. Meter one shadow with your iPhone, and Z-Stop shows the shutter and aperture that make it Zone 3, in 1/2-stop steps. With Pro, one tap on "Save" keeps the scene as a record image. [ The Zone System ] Worked out by Ansel Adams and Fred Archer around 1940. It divides tones into 11 steps, from black (Zone 0) to white (Zone 10), one stop apart. Detail is…
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