Integration details
Description
Timebook helps solo professionals and small teams track billable work, manage clients and projects, and keep time entries accurate from ChatGPT. The app can list clients and projects, start and stop timers, log past work, review recent entries, and update or delete entries that the connected assistant is allowed to modify.
- Integration type
- Plugin
- Verification status
- Not applicable
- Platform
- ChatGPT
- Primary Subcategory
- Time Tracking & Billing
- Secondary Subcategories
- None listed
- Brand
- Timebook
- Access
- Account required
- First tracked
- 2026-06-03
- Tool count
- 12
- Geography
- US
The Primary Subcategory used for this profile’s headline score.
Other Subcategories where the Integration is listed.
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ChatGPT Plugin Discovery Score
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What discovery looks like

Competing in ChatGPT Time Tracking & Billing
View Category12 tools agents can invoke
How do I improve a ChatGPT Plugin's discoverability?
The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.
What are Timebook alternatives on ChatGPT?
As of 2026-09-28, Timebook competes with Aerion, Cleverfy, Fritto Time Tracker, FunkyTime, Hubstaff, Jibble, Laurel, PomoDial, REPSLog, RescueTime, Rinkta, Rize, Temponia, timr in ChatGPT Time Tracking & Billing, ranked by public Discoverability Score.
Where is this profile measured?
This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.