Citiletter: Free City Guide vs Heart Pulse Rate Monitor
A side-by-side look at Citiletter: Free City Guide and Heart Pulse Rate Monitor. For an in-depth review of either product, follow the links below.
Citiletter: Free City Guide
Travel & Location
Citiletter is a free mobile app and website that provides city guides for travelers. It offers information on top attractions, restaurants, hotels, events, maps, and more for major cities around the world.
travelcity-guideattractionsrestaurantshotelseventsmaps
Heart Pulse Rate Monitor
Sport & Health
Heart Pulse Rate Monitor is a health and fitness app that allows you to measure and track your heart rate using your phone's camera. It uses photoplethysmography technology to detect changes in blood flow caused by your heartbeat.
heart-ratehealthfitnessmonitortracker
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