Free:
Bitsboard
Can be used for word reading, picture-letter association, vocabulary, and spelling.
Pro Version for creation
Lite version for student use
iPad
Morpheme Mapper
Morpheme Mapper – Search for words to see their morphemes and meanings
Will work on iPad in Safari – add as shortcut to home screen
Web Based
Paid:
Bitsboard Pro
Can be used for word reading, picture-letter association and spelling.
Pro Version for educator creation
iPad
Read & Write
Built-in features to collect vocabulary and content and export into Word.
Picture and Word Dictionaries
Browser Extension