Today only, the iTunes App Store offers downloads of several apps for Apple iPhone, iPod touch, or iPad which have dropped in price during its Black Friday Sale, as listed below. At up to $15 off, most are at or near the lowest price we've seen. The deals, all with applicable platforms noted:

• MagicalPad for iPad for free ($2 off): Mind-mapping app
• Momento (Diary/Journal) for iPhone or iPod touch for 99 cents ($2 off): Digital Diary
• Groove 2 - Music Player for iPhone, iPod touch, and iPad for 99 cents ($3 off): Music player
• Quickoffice Pro for iPhone or iPod touch for 99 cents ($14 off): Mobile office suite
• ReaddleDocs for iPad for $1.99 (pictured, $3 off): File manager
• Star Walk 5 Stars Astronomy Guide for iPhone or iPod touch for $1.99 ($1 off): Astro tool
• Star Walk for iPad for $1.99 ($1 off): Astronomy Tool
• Quickoffice Pro HD for iPad for $4.99 ($15 off): Mobile office suite
• 1Password for iPhone for $6.99 ($3 off): Password manager
• 1Password for iPad for $6.99 ($3 off): Password manager
• 1Password Pro for iPhone or iPod touch for $9.99 ($5 off): Password manager
• Documents To Go Premium Office Suite for iPhone and iPad for $9.99 ($5 off): Mobile office suite