Apps similar to Chain include Forest, which has a free version. Other options are Kaizen: Focus & Study Timer, Hard Graft, Focus To-Do and Daily Focus: Pomodoro Timer. In total there are five Pomodoro Timers like Chain for Android, iPhone, Windows, iPad and the web.
Stay focused and avoid phone distractions by growing virtual trees that represent completed focus sessions. Track progress with an interactive forest, share achievements with friends, set custom session lengths, review detailed history, and use a whitelist to avoid penalties.
Taiwan
Kaizen is a focus and study timer that combines a Pomodoro timer, an app blocker, a habit tracker, a to-do list and live study rooms in one app. It is free to use with no ads; a Premium subscription raises the free limits and adds extra features.
Netherlands
EU
A count-up focus and study timer for Android with a 24-rank ladder, real demotions and a per-job record. Offline, no account, no subscription.
United Kingdom
Focus To-Do is an easy-to-use time and task management application that helps you to manage tasks anywhere and anytime, and helps you to perform tasks efficiently.
China
Pomodoro study timer that drops a marble into a focus jar for every session, with layered focus sounds and progress charts.
Sri Lanka
