PhotoTagEdit!

Change your photos EXIF, IPTC, GPS tags like a pro, directly on your iOS devices. You can select multiple photos from photo album, edit their tags, change them in a batch, and save them back to album. The property value can be set using variables, e.g. use todays date time, use filename, create number series, create date time series, copy from other property value, replace, truncate, uppercase, lowercase It also supports quick preview feature, which allows you to see the files thumbnail while you edit it.