iSpell 123 app for iPhone and iPad

"The app is easy to use and effective in teaching." - Appadvice.com

Unlike other number spelling apps, iSpell 123 can automatically generate a number for you to spell or generate a spelled number for you to put into numeric form before automatically checking the correctness of your answer. As is the case with other number spelling apps, iSpell 123 also allows you to enter a number which is then automatically spelled. The following are the key features:
Train Mode:
•Automatic generation of questions
•Automatic verification of answers
•Two question types:
• words to numbers
• numbers to words
•Suitable for all levels: customize the range of numbers from which questions are generated
•Three chances to answer a question
•Option to reveal an answer
Ask Mode:
•Enter a number for the app to spell
•Copy the spelling to paste in other apps, e.g., Notes and Messages
•Email the spelling: the subject and body of the email are automatically filled