Before building Tempo, we used every major calendar tool we could find. Not as a competitive exercise — we genuinely wanted someone to have already solved this problem so we could just use their product. None of them had.
Google Calendar
The gold standard for event management. Multi-account support, excellent recurring event handling, robust sharing, deep integration with Meet and Gmail. As a scheduling tool, it's nearly impossible to beat. But its analytics are limited to 'Goals' (which count streaks, not allocation), and it has no opinion at all about whether your week was balanced. It's a filing cabinet, not a strategist.
Fantastical
Genuinely beautiful. Natural language event creation, excellent week and month views, solid multi-account handling. Fantastical wins on UI. But it's a scheduling tool with better aesthetics — there's no concept of analyzing how your time has been distributed, no pattern detection, no alerts when something is off. It's the best version of the solved problem.
Notion Calendar (formerly Cron)
Cron was the most promising when it launched — keyboard-first, fast, beautiful. Notion acquired it and rebranded it. The core product is still clean. But it remains a scheduling tool. Multi-account support, good event management, zero intelligence layer. It's Google Calendar with a better design system.
Motion
Motion takes a different approach: it auto-schedules your tasks around your meetings using AI prioritization. It does solve a real problem — the 'I have a task list and a calendar and they don't talk to each other' problem. But it solves it by taking over your schedule, which many people find uncomfortable. And it still doesn't answer the question 'how has my time been allocated across different categories?'
Sunsama
Sunsama is closest to the intent — it's explicitly about intentional daily planning. The daily planning ritual is well-designed, and it integrates with task tools like Linear and Asana. But it operates at the day level, not the pattern level. It can tell you what you planned to do today. It can't tell you whether your last six weeks have been trending in a healthy direction.
Every tool optimizes for scheduling. None of them optimize for understanding.
The Pattern Across All of Them
What we noticed after using all of these tools: every one of them treats 'what events do I have?' as the primary question. None of them treat 'how has my time been allocated and is that allocation healthy?' as even a secondary question.
That's the gap Tempo fills. Not because we think these are bad products — most of them are excellent at what they do. But what they do is scheduling. The intelligence layer is still missing.