Wakeup.io - Free Online Wake-up Call Service is a online calling extension for chrome. it's a free extension , it has 326 active users since released its first version, it earns an average rating of 4.05 from 20 rated user, last update is 3507 days ago.
As featured in Lifehacker.com! "Most of us have a preferred alarm clock, whether it sits on the nightstand next to us or it's just a series of alarms on our smartphones, but if you need a little extra push to get up, Wakeup.io is a free wakeup call service that works with any number, anywhere in the world." http://lifehacker.com/wakeup-io-wakes-you-with-a-free-wake-up-call-anywhere-1440898585.
You could download the latest version crx file or older version files and install it.
75% user give 5-star rating, 8% user give 4-star rating, 17% user give 2-star rating. Read reviews of wakeup.io - free online wake-up call service
You could find more help information from wakeup.io - free online wake-up call service support page.
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The title says "Free", but afterward, it says "Please buy credits to support our wake-up call service and cover costs. It costs less than a 2 cups of coffee! Thank you!". It shouldn't say free if it is not, as it could confuse someone.
Great idea, it doesn't work. At least not if you close the alarm window. There should be a free option or a yearly subscription.