The iTunes App Store offers downloads of several applications for Apple iPhone and iPod touch for free, as listed below. At up to $3 off, each is at the lowest price we've seen. The deals:

• Color Drops: Puzzle
• SushiGoRound!: Time management game
• Zombie Parkour Runner (pictured): Action game
• Cool Camera-Particle Effects: Photo filter application tool
• InstaClip: Instagram screenshot tool
• FiLMiC Pro: Movie-making tool
• MovBeats: Movie-making tool
• Pure Meditation Premium: Brainwave analysis tool
• Seven Stars 3D Full: Maze game