Other similar games include a math version `` Math With Your Friends '' , a numbers game `` Five-O '' for iOS , an arithmetic game `` GoSum '' for iOS , `` Letterpress '' for iOS , `` Alphajax '' for Windows Phone , `` Word Derby '' for iOS , `` Spellathon '' , another numbers game `` Yushino '' for iOS , `` Word Frenzy '' , `` Word Mix '' , Wordfeud , `` 7 Little Words '' , and `` Chiktionary '' .
Similar games include a math version `` Math With Your Friends '' , a numbers game `` Five-O '' for iOS , an arithmetic game `` GoSum '' for iOS , `` Letterpress '' for iOS , `` Alphajax '' for Windows Phone , `` Word Derby '' for iOS , `` Spellathon '' , another numbers game `` Yushino '' for iOS , `` Word Frenzy '' , `` Word Mix '' , Wordfeud , `` 7 Little Words '' , and `` Chiktionary '' .