Based on our record, SugarOKR seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
What I found so far was ok, but most of the tools lack either of missing features or very bad UX (which is actually the main reason to go away from Excel). The only free tool I found which checks almost all requirements is: https://sugarokr.com/. Source: 12 months ago
Simple OKR - Track, measure and manage OKRs
kippy cloud - Manage your strategy on the cloud, to increase focus and visibility on what matters most
OKRStudio - Connect Trello cards to OKRs. Manage OKRs inside of Trello
Profit.co - Supercharge your Business & Employee Performance
OKRs.app - Reach your personal goals with OKRs
Innovation Wars - How to build success companies, teams and products