here was a quick google:
SITE REPORT CREATION
- Add operator comments
- Add photos, plans, notes and documents to your comments
- Add notes and drawings to plans, photos and documents directly on the tablet
- Use a drawing interface with eraser and 6-colour crayon
- Validate your comments when tasks are complete
- Reminder icons in comments
- Preview all comments on plans
- Save photos in the iPad gallery
- Create custom work packages
- Copy and move comments
Sounds like what you are after?
edit: and appears to be free.. score!