We've received quite a few emails that do suggest the date is correct and here's how it's all going to go down by order of launch timing:A beta for BlackBerry Messenger on iOS was deployed last month, with an official user guide posted three weeks after the launch of the beta. Earlier this month, BlackBerry Social Media Manager Alex Kinsella stated that the app had been submitted for review and was pending approval from Apple before its official launch.
Friday, Sept 20th, 7am EST: Android version published on Google Play
Friday, Sept 20th, 7am EST: BBM.com goes live
Friday, Sept 20th, 7am EST: CRM messages sent out to pre-registrants
Friday, Sept 20th, 7am EST: Follow-up CRM message sent out after full App Store deployment
Saturday, Sept 21st: BBM on iOS becomes available 12:01am EST in local time zones.
Update: Blackberry has announced official release dates for its upcoming Messenger apps. BBM for iOS will launch at 12:01 AM local time on Sunday, September 22.