Here is a roundup of a few Iphone and Ipad apps useful for filmmakers, from digital slates to full blown video editing.

Storyboard Composer

Cinemek Storyboard Composer for iPhone and iPod Touch is a mobile storyboard and pre-visualization composer designed for Directors, Directors of Photography, Producers, Writers, Animators, Art Directors, film students and anyone who wants to be able to visualize their story.

It is the world’s first mobile storyboarding application which allows you to acquire photos with your phone or by Artemis Directors Finder for iPhone, then add traditional storyboarding markups such as dolly, track, zoom and pan. You can even add your own stand-ins. The user can set a duration for each storyboard panel and then play it back to get real time feedback on pacing and framing.

Requirements:
Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later.

ReelDirector

Full-blown video editing for iPhone and iPad.

Requirements:
Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.1 or later.

DSLR Slate

DSLR Slate is the perfect companion for the DSLR Filmmaker. As a Universal App, DSLR Slate runs natively on iPad, iPhone, and iPod Touch. Designed for all needs from student to hollywood, DSLR Slate will be just as useful as the traditional film slate, if not more. “Slating” shots has become standard practice on set and helps streamline shot logging and post production.

Requirements:
Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later.

pCAM Film+Digital Calculator

A Cinematography and Still Photography calculator for Photographers, Directors of Photography, Camera Operators, Camera Assistants, VFX Supervisors, Script Supervisors, Gaffers, Grips, Motion Picture Editors, Production Designers, Art Directors, Film and Photography Students.

Requirements:
Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later.

Action Log Pro

Action Log is a film and television logging tool, designed for use on location or in a studio with up to 25 recording devices. At the touch of a button the logging system keeps track of all reel names and timecodes for each recorded piece of action.

Requirements:
Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.1.2 or later.

Movie Slate

“Movie★Slate is the the Rolls-Royce of iPad/iPhone clapboards” says HandHeldHollywood.com. Movie★Slate a convenient, all-in-one digital slate, clapper board, shot log, and shot notepad— designed for use in film, television, documentaries, music videos, and interviews. This professional production tool is the easy way to log footage and take notes as you shoot— saving you valuable time later when capturing and editing footage. At a mere fraction of a bulky digital clapperboard’s cost, you’ll be saving money too.

Requirements:
Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later.

iMovie

Make beautiful HD movies anywhere with iMovie, the fun, feature-rich video editing app designed for Multi-Touch. Create a video postcard of your day at the beach and publish it to the web — without ever leaving your spot in the sand. Or make a movie of your child’s birthday party and send it to your parents — while the party is in full swing. With iMovie, you can start several projects and finish them whenever you want and wherever you are.

Requirements:
Compatible with iPhone 4. Requires iOS 4.0 or later.

More to come…

This list is a work in progress. Please suggest more apps in the comments!