What are some alternatives?
When comparing Eko and Stubia, you can also consider the following products
ECG for Apple Watch - ECG app and irregular heart rhythm notification
Infogalactic - The planetary knowledge core
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.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Lingoes - Lingoes is an easy and intuitive dictionary and text translation software.
Oppia - Oppia is a free, open-source learning platform.