What are some alternatives?
When comparing Urban Dictionary and ECG for Apple Watch, you can also consider the following products
Slang-Dictionary.org - Slang-Dictionary is a web-based database for searching through the database of slang words and learn how different words are getting different meanings in different countries of the world.
Eko - Strap a jetpack to your Korean writing & reading level with software designed for non-native...
The Online Slang Dictionary - Learn thousands of real slang words or add your own.
AliveCor Mobile ECG - A freakin' heart monitor for your smartphone
Dictionary.com - Dictionary.com is the world’s leading digital dictionary. We provide millions of English definitions, spellings, audio pronunciations, example sentences, and word origins.
Lifekey - 1-touch access to personal health data & emergency contacts