Free $5 at Peet’s coffee for joining Peetnik Rewards(Peet’s Coffee App)

Just received an email that you will get $5 for downloading Peet’s app(worked on my iphone)
http://enews.peets.com/q/bCtq7wpZ…6wTIQVPMzz
Here is a copy/paste from the email:
For a limited time only, you’ll get $5 loaded to your Peet’s app*, just for joining Peetnik Rewards—plus, free beverages, access to exclusive member-only offers, mobile order ahead, and more.
Download the Peet’s app and enter promo code SIGNUP at registration.
Valid for one-time use when you enroll in Peetnik Rewards 10/25-11/15 and enter promo code SIGNUP at app registration. New members only.
*Offer is valid for one-time use and for new members only when you download the Peet’s app and enter promo code SIGNUP at app registration. $5 will be loaded on to the Peet’s Card in your Peet’s app within 24 hours of enrollment. Not valid on Peet’s Card purchases or online at Peets.com. No cash value, substitutions or rain checks. Offer is exclusive to you and this account, cannot be reproduced, transferred or used by anyone else. Peet’s reserves the right to withdraw or change the offer’s terms and conditions at any time, at its discretion and without notice.