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645 PRO Mk III

By Michael Hardaker

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645 PRO Mk III has been designed, from the ground up, for professional and serious amateur photographers. So it works the way a camera works—and it’s the most powerful camera app we’ve ever seen!

You have instant access to everything that can be controlled on an iOS camera.

That means fully manual exposure control, as well as semi-automatic Shutter Priority and ISO Priority, together with fully automatic exposure with a choice of spot or matrix metering. Automatic and semi-automatic modes also include ±3 Ev. exposure compensation, while the on-screen meter lets you judge your manual exposures to perfection.

It means the choice of AWB or a selection of white balance presets—and even the ability to create and save a completely custom white balance.

And it means manual focus override—just swipe your finger up and down the viewfinder to control the lens position. And you even get focus-peaking to help you identify what will be in perfect focus!

And you have all the information you need, all the time, including real-time exposure metering, real-time ISO and shutter-speed readings, Ev, real-time GPS data and a choice of histograms. And many aspects of the interface can be customized, so you can—for example—configure the Shutter Release button to behave the way you want.


645 PRO Mk III combines the ultimate in lifelike "film look" output with the ability to save completely unprocessed image data at the highest quality possible.

Its gorgeous Film Modes are inspired by classic film stock as used by top photographers from the 1960s through to the present day—and if you want to edit them, and save custom, personalized films, you can. Meanwhile its unprocessed images are just that—ready for later post-processing or to be used "as is" for reportage.

Whether you shoot Film Mode, unprocessed or both, you have the choice to save in HI-Quality JPEG, MAX-Quality JPEG, or—for top image fidelity—TIFF.

And you have the option to shoot in one of seven formats, from square 6x6 to panoramic 6x17, all inspired by classic Medium Format cameras. Also inspired by film, you can add one of 21 Photo Filters, all with fully-adjustable densities.

You'll get photographs from your iPhone like you never imagined!

Drawing its inspiration from the obsession with quality embodied by top-end Medium Format film and digital cameras, 645 PRO Mk III exists purely to help you use your iPhone as a tool for composing, taking, saving and sharing the finest possible photographs.

"645 PRO takes the best iPhone photos you have ever seen"
-- Charlie Sorrel, Cult of Mac

"My number 1 camera replacement app"
-- Glyn Evans,

"If you’re looking for a camera app which leans toward a professional pallet of tools, then 645 PRO is certainly the best there is"
-- Ben Reid, Redmond Pie

"Not only do you get what is arguably the best, serious-shooter, camera for the iPhone but you also get a level of customer care, devotion and attention to detail that you will be hard pressed to find elsewhere on the App Store. In short: 645 PRO is a steal. Buy it today!"
-- Aaron Stanley, Appsolute Reviews

What's New in Version 4.15

Release 4.15
* Fixed: gradiant filters used with front camera
* Fixed: consistent exposure compensation when switching between cameras
* Enhanced: Performance improvements
* Enhanced: User Guide updated
Questions or problems? Please CONTACT US: we'll help you promptly!


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iPad Screenshot 1

Customer Reviews

Good but go with ProCam instead

This is a good camera app and if you really wanted to learn manual shooting, this would be the way to go. It takes great pictures--you get higher quality than with the default Apple camera, because it gives you the option to skip all the JPEG compression and because you have full control of the exposure. It give you the option to save pics to the camera roll or somewhere else. Etc.

This is a very good app, but when it comes down to it, I use ProCam because it gives you faster and more intuitive controls + gives you same level of control and picture quality. The most awkward control was the dial (mimics the on on a real camera--shutter priority, aperture priority, play, etc). It resets itself, so I used it a lot and it's really really awkward. Give us a slider or something instead of a dial--what works for your thumb on a camera doesn't work on a phone.

Really what would be great as an option is the tap to focus where you can control exposure and focus separately (like ProCam). They also give you sliders for more direct manual control.

The other problem with the app is that it doesn't shoot video--you need a separate app for that (unlike ProCam).


645 Pro does have tap to focus and exposure control. Just tap the screen. The little rectangle is hard to see, but it's there. To use tap to set exposure, change from multi metering to spot metering (upper left corner) and a green circle shows up that you can drag around the screen.
Also, you can set up the mode dial so that rather than turning the dial, you can scroll thru a carousel to choose a different mode (Menu/Advanced/Mode dial/Tap for carousel). From another 645 user 😊

Love this Camera, but...

Please fix this new issue that has just came up in the newest update. When I hit home and put my phone to sleep in between shooting... The app will freeze every time. I then have to kill the app from the multitasker and relaunch to get it to work. You can see how this could be inconvenient... Perfect shots are missed when timing is off.

Other than that... Thanks for a great camera with more control than I would expect from a phone camera! I'm running iPhone 6 plus on 8.3.

645 PRO Mk III
View In iTunes
This app is designed for both iPhone and iPad
  • $3.99
  • Category: Photo & Video
  • Updated:
  • Version: 4.15
  • Size: 6.1 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

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