Non-Lethal Applications tells us that their Timecode Calculator (previously $3 USD) is now free  and can be downloaded via the iTunes App Store.

A spokesperson said, "NLA Timecode Calculator is an utility application that helps you doing some math with timecode values. Calculating offsets is an every-day task in modern postproduction situations. Especially with dropframe timecode this can be error-prone."

Features:

• Add and subtract TC addresses.
• supported framerates: 23.98 / 24 fps, 25 fps, 29.97/30 non-dropframe, 29.97/30 dropframe.
• Auto-fixing erroneous user input.
• TC results smaller than 00:00:00:00 can either be displayed as negative value or positive wrapped around the 24 hour mark

New in version 1.1:

• improved user interface.
• you can now fetch the timecode to calculate with from an external MIDI timecode source.

Pricing and Availability:
Free download.

More information:

• Non-Lethal Applications

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