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Sunsama is a web-first daily planner for professionals that pulls tasks in from tools like Asana, Notion, Slack, and Gmail, with genuine two-way calendar sync and a structured daily shutdown ritual. Chrobox is a phone-only timeboxing app with no task-tool integrations or calendar sync, but it adds automatic app blocking and a focus timer tied to each time box.
Choose Sunsama if your work already lives across tools like Notion, Slack, and Asana and you need two-way calendar sync on a laptop. Choose Chrobox if you plan mainly on your phone and want your scheduled time to also block distracting apps, with no integrations required.
Side-by-side comparison of Chrobox and Sunsama
The strengths of each app at a glance
Why Choose Chrobox
Blocks the apps you choose automatically for the exact length of each time box, which Sunsama does not do
Manual focus timer with presets tied directly to each task, shown in the Live Activity / Dynamic Island
Routines with streaks, a 90-day heatmap, and per-routine stats
Daily retrospective with a 5-level mood rating and optional voice dictation
Why Choose Sunsama
Pulls tasks in from Asana, ClickUp, GitHub, Gmail, Jira, Linear, Notion, Outlook, Slack, Todoist, Trello, and more
Genuine two-way calendar sync with Google and Outlook
Runs on web, macOS, Windows, and Linux as well as phones, not phone-only
A structured daily shutdown ritual with highlights and weekly objectives; $20/month or $16/month billed yearly with a 14-day free trial (as of September 2026)
Common questions about Chrobox vs Sunsama
Chrobox is a good alternative only if you do not depend on Sunsama's integrations or calendar sync. Chrobox has no connections to task tools like Notion, Slack, or Asana and no two-way calendar sync, so if that is why you use Sunsama, Chrobox will not replace it. If you mainly want a simple phone-based schedule that also blocks distracting apps, Chrobox covers that.
Sunsama is a web-first planner that connects to your other work tools and syncs both ways with your calendar, and runs on web, Mac, Windows, and Linux plus phones. Chrobox is a phone-only app with no integrations or calendar sync, but adds automatic app blocking and a manual focus timer tied to each time box.
No. Chrobox only shows timed events from the calendars already on your phone and can copy its own blocks into one chosen phone calendar; it does not have a direct Google Calendar API connection or two-way sync. Sunsama has genuine two-way sync with Google and Outlook.
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