Captcha doesn;w allow me to use Wordpress IOS

Captcha is great at stopping SPAM - but if you use the IOS Wordpress on your iPhone it prevents it from working It doesn't accept your password! When I disable Captcha I can use Wordpress IOS - I hope they update this tiny problem as its taken me ages to find it was Captcha that caused my problem -- You received this message because you are subscribed to the Google Groups "reCAPTCHA" group. To unsubscribe from this group and stop receiving emails from it, send an email to recaptcha+unsubscribe@googlegroups.com. To post to this group, send email to recaptcha@googlegroups.com. Visit this group at http://groups.google.com/group/recaptcha. For more options, visit https://groups.google.com/groups/opt_out.