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Comparison · PM
Clockwise vs ZenTao
A side-by-side editorial comparison of Clockwise and ZenTao — release velocity, themes, recent moves, and the top alternatives to consider.
Clockwise vs ZenTao: at a glance
What is Clockwise?
Clockwise shut down on March 27, 2026—data deleted, Reclaim.ai designated as the migration path.
Clockwise has closed. All services ended March 27, 2026; prepaid subscribers receive pro-rated refunds and all user data is scheduled for deletion shortly after that date. The company has formally partnered with Reclaim.ai as the recommended successor for users seeking AI-powered calendar optimization.
What is ZenTao?
ZenTao posts a 22.0 beta with no notes in the feed.
The only tracked ZenTao entry is the 22.0 beta tag from October 21. It links to a changelog file in the repository and contains no description of what changed.
Clockwise vs ZenTao: editorial side-by-side
Clockwise shut down on March 27, 2026—data deleted, Reclaim.ai designated as the migration path.
◆ Current state
Clockwise has closed. All services ended March 27, 2026; prepaid subscribers receive pro-rated refunds and all user data is scheduled for deletion shortly after that date. The company has formally partnered with Reclaim.ai as the recommended successor for users seeking AI-powered calendar optimization.
◆ Where it's heading
There is no trajectory—the product is in wind-down. The recent changelog entries are shutdown FAQs covering refunds, data deletion, scheduling link deprecation, and the Reclaim migration guide. The formal Reclaim partnership suggests a structured handoff rather than an abrupt closure.
◆ Prediction
The product no longer exists. Reclaim.ai is the designated successor. Any remaining Clockwise calendar events (Focus Time, Smart Holds) were removed from user calendars at shutdown.
ZenTao
2.5PM
ZenTao posts a 22.0 beta with no notes in the feed.
◆ Current state
The only tracked ZenTao entry is the 22.0 beta tag from October 21. It links to a changelog file in the repository and contains no description of what changed.
◆ Where it's heading
A beta of a new major version suggests a larger release is in progress, but nothing in the feed says what it contains.
◆ Prediction
Unclear: the entry does not show what 22.0 changes or when a stable version will follow.
Alternatives to Clockwise and ZenTao
Other PM products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Clockwise or ZenTao.
NocoBase
NocoBase's v3 beta lets apps ship their own CLI, separate from Agents.
Productboard
Productboard's v2 documents API now keeps plain web addresses and emoji as ordinary text.
Hive
Hive turns reporting into a planning tool: shared inputs, grouped values, per-person drill-downs.
Tracecat
Tracecat 1.5 alpha patches add sub-cases and lock down agent sandboxes.
SmartSuite
SmartSuite adds tracked changes to SmartDocs, so policy edits need an approver.
See all Clockwise alternatives → · See all ZenTao alternatives →
Recent activity from Clockwise and ZenTao
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 24d agoZenTaoZenTao 22.0 beta posted without release notes
- 7mo agoClockwiseWhat happens to all my data — my calendar preferences, Scheduling Links, and Focus Time settings?
- 7mo agoClockwiseWill I get a refund for unused subscription time?
- 7mo agoClockwiseHow long will customer support be available?
- 7mo agoClockwiseHow long will Clockwise retain my data after shutdown and when will it be deleted?
Frequently asked questions
What is the difference between Clockwise and ZenTao?
They serve adjacent needs but don't currently overlap on shipped themes. ZenTao is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Clockwise better than ZenTao?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. ZenTao is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other PM products to evaluate alongside.
What are the best alternatives to Clockwise?
Top Clockwise alternatives in PM are ranked by recent ship velocity. Browse the "Clockwise alternatives" section above for the current picks, or visit /alternatives/clockwise for the full list with editorial commentary on each.
What are the best alternatives to ZenTao?
Top ZenTao alternatives in PM are ranked by recent ship velocity. Browse the "ZenTao alternatives" section above for the current picks, or visit /alternatives/zentao for the full list with editorial commentary on each.