Watch Comparison Chart
  VibraLITE 3 MeDose Vibro-Watch VibraLITE 12 WatchMinder3 Timex Audible Invisible Clock II
Top Pick     Top Pick Top Pick      
Alarm Type Sound and/or Vibration Sound or Vibration Vibration Sound and/or Vibration Vibration Sound Sound or Vibration
Independent Daily Alarms 2 6 12 12 30 1 12
Interval Alarm Yes Yes Yes Yes Yes Yes Yes
Maximum Countdown 23 hours 99 minutes 23 hours Up to 23 hours, 59 minutes, and 59 seconds Up to 60 minutes 23 hours and 59 minutes 999 hours with 6 unique alerts
Size of Watch Face Standard Standard Standard Standard 1.5" diameter Standard 2.2"w x 2.3"h x .6"d
Wrist Strap Velcro wrap or leather Velcro wrap Polyurethane Polyurethane Polyurethane Polyurethane Worn on waist
Price $49.95/$59.95 $74.95 $79.95 $74.95 or $78.95 $84.95 $43.95 $39.95
Water Resistant* Yes Yes Yes Yes Yes Yes No
Length of Alarm 20 seconds 20 seconds 15 seconds 20 seconds 10 seconds 10 seconds 6 seconds
* The watches that are listed as water resistant can withstand accidental splashing, but should not be used near water, or during swimming or bathing.