iPhone apps for metering and other things?

[timbo]

Anybody out there have a favorite iPhone app for metering? I see a few options, and I'm wondering if there is one in particular that people have tested and found to be accurate and useful.

I've got the reciprocity calculator, which I love. Any other useful apps for LF photos?

Tim

[welly]

Here (http://www.largeformatphotography.info/forum/showthread.php?90707-Your-best-large-format-iPhone-app/)

[jonreid]

The Photographer's Ephemeris

[cosmicexplosion]

Light meter
Massive developing chart
Instant classic photo app....