TwistedWave is an audio editor for iPhone and iPad.

Editing features include:

• Copy and paste.
• Amplify or normalize to adjust the sound level.
• Add fades in or fades out.
• Apply different types of filters to adjust the level of the low or high frequencies.
• Works with WAV, AIFF, CAF and AAC audio

New in v1.2:

• New icon and buttons,
• Better support for large files,
• Crop and loop audio,
• New export option: email a link to an mp3 file hosted on twistedwave.com,
• Export to Dropbox,
• Browser access to allow downloading and uploading files from/to TwistedWave,
• The cursor and selection are automatically adjusted to zero crossings,
• Edit the name of the current document by tapping it,
• New effects: delay, compressor/limiter, pitch shifting/time stretching.

New in v1.1:

• Support for AudioCopy/Paste to copy audio between TwistedWave and other applications.
• Background recording.
• Import songs from the iPod library.