From Pramod Shankar:
Yoga Browser for iPhone shows major poses commonly used in yoga practice sessions. It includes over 85 poses grouped into seven categories. Each pose is annotated with its English and Sanskrit name and its difficulty level. It also provides detailed descriptions for each pose including pose simplification and advanced posture enhancement tips. Pose categories include beginning, intermediate, advanced, and restorative poses. You can refer to the pose photographs for functional body alignment in your home or travel yoga practice when you do not have access to a yoga studio. Also included are exercise routines with pose sequences for basic, intermediate, and advance yoga workout sessions.