I like the size and having a travel clock as well as the battery for when we lose power. The alarm is good and loud, pulsates slowly then faster, and it vibrates well.
With my aids out, the alarm is too high pitched to hear. I made the mistake the first time of having it on the bed by me and my pillow damper the vibration. I put it on my bedside table for trial #2 and the rattling vibration some me and scared the cat that sleeps by me. Note to self, make sure its leash is securely attached to a heavy object so it doesn't fall off the table while vibrating.
I will use it for travel and will continue to try it at home a few more times, especially the vibration mode.
I've a landline and the phone has woken me up recently, falling into the range I can hear. Researching online call services led me to several sites and one that reviewed a few of them. Prices range from free to $5/month. These are the 2 I tried.
https://wakerupper.com
5 cents a minute and they were accurate and easy to use their site. I signed up and have an account so can track my calls as well as set up more. The first 3 calls to a number are free and they give $.50 credit when you sign up. You pay in increments of $5, which is good for 90 days. $5 worth should last me a full 90 days.
https://www.wakeupdialer.com
This one is free, but I can't make it work properly. The first time it rang through 2 times, when i answered it said a short phrase in German. I tried to set up another call, and it won't let me. There is no account needed or tracking ability. I'm not impressed.