Where is the New Starbucks App?

Updated from 10:01 am EST, to include comment from a Starbucks spokeswoman.

NEW YORK (TheStreet) - Customers are frantic for their Starbucks (SBUX) app, but Starbucks says be patient.

The Seattle-based coffee chain announced as part of its investor day yesterday it updated its mobile app for the Apple (AAPL) iPhone. Among other changes, the new version of the app allowed customers the option to tip their barista. Starbucks chief digital officer Adam Brotman had written in a blog post last week that the new app would be available on March 19. Yet, as of 9:45 a.m. EST on March 20, the new app still wasn't available - and customers are cranky.

"To prepare for this update, make sure you know your account password and set a reminder to download or update the new Starbucks for iPhone app on March 19," Brotman wrote.

Taking to social media, customers on Starbucks' Facebook (FB) and Twitter (TWTR) pages are asking where the new app is. Starbucks' social media team has responded to a flurry of tweets, saying it would be available in the iTunes app store soon.

Starbucks spokeswoman Maggie Jantzen told TheStreet on Thursday that the problem has actually to do with Apple iTunes, noting that its app delivery system is offline. She did not have a timeframe on when the system would be fixed. "Apple's iTunes delivery system for apps is currently offline causing the launch of our new Starbucks App for iPhone to be delayed," Jantzen writes in a follow-up email. "We're looking forward to sharing it with our customers and partners (employees) soon."

TheStreet put in a request with Apple to confirm the issue, but has not heard back yet.

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