Speller is a perfect tool to check spellings of English words and come up with suggestions for misspelled words. Speller is based on Aspell, an open source spell checker for various platforms.
- Spell check as you type, no need to tap any button
- Instant feedback within text field letting you know the word is valid or not
- Alternate spelling suggestions for both misspelled or correctly spelled words
- Customizable dictionary: American, British or Canadian English
- Google integration to lookup word definitions
Also check out TranCreative's WordBook English Dictionary & Thesaurus, the best selling iPhone English dictionary in iTunes store with built-in spell checker, audio pronunciations and much more.