What are some alternatives?
When comparing Eko and ECG for Apple Watch, you can also consider the following products
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.
AliveCor Mobile ECG - A freakin' heart monitor for your smartphone
Lingoes - Lingoes is an easy and intuitive dictionary and text translation software.
Lifekey - 1-touch access to personal health data & emergency contacts
The Online Slang Dictionary - Learn thousands of real slang words or add your own.
SlangSite.com - SlangSite.