These may assist with spelling
Paid iPad app: http://itunes.apple.com/us/app/spelling-hero-custom-spelling/id458589126?ls=1&mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/spelling-hero-custom-spelling/id458589126?ls=1&mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/spelling-test/id485279878?ls=1&mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/spelling-test/id485279878?ls=1&mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/spell-+-friends-by-tap-to-learn/id387159788?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/spell-+-friends-by-tap-to-learn/id387159788?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/miss-spells-class/id308754739?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/kids-crosswords/id501515068?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/kids-crosswords/id501515068?mt=8&uo=4&at=10l6SU
Website: http://www.spellingcity.com/
Edmodo app: http://www.edmodo.com/publisher/vocabularyspellingcity
Free iPhone app: https://itunes.apple.com/us/app/spellingcity/id538407602?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/spellingcity/id538407602?mt=8&uo=4&at=10l6SU
Website: http://www.clicknkids.com/Public/Spelling.php
Paid iPhone app: http://itunes.apple.com/us/app/boggle/id327836363?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/id515121228?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/id515121228?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/firstwords-professional/id507560748?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/firstwords-professional/id507560748?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/firstwords-deluxe/id337462979?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/firstwords-deluxe/id337462979?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/first-letters-and-phonics/id346591226?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/first-letters-and-phonics/id346591226?mt=8&uo=4&at=10l6SU
Website: http://www.sewardreadingresources.com/wls.html
Paid iPad app: http://itunes.apple.com/app/auditory-workout/id518697520?mt=8&uo=4&at=10l6SU