Kastemer
Contact management and Broadcasting message tool
As of June 2026, Kastemer has — users in the Communication category.
Usersno change0%
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Ratingno change0%
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— reviews
Reviewsno change0%
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Version
1.0.0
Manifest V3
History
2 snapshotsTracking since Apr 22, 2026.
Not enough history yet for this metric — the chart fills in as we collect more snapshots.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 22, 2026 | — | — | — | 1.0.0 |
| May 12, 2026 | — | — | — | 1.0.0 |
| Now | — | — | — | 1.0.0 |
Permissions & access
- Permissions
- storageunlimitedStorage
- Host access
- *://*.kastemer.com/*
Screenshots
About
Browser extension to manage contact and send messages in bulk
Technical
- Version
- 1.0.0
- Manifest
- V3
- Size
- 225KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- ecimbckphddmmgndcogbedhflgefdkfl
- Developer ID
- uda1f6928ee32e6d5175c101af805ca0e
- Developer Email
- [email protected]
- Created
- Nov 26, 2024
- Last Updated (Store)
- Nov 26, 2024
- Last Scraped
- Jun 7, 2026
- Website
- —
- Support URL
- —
- Privacy Policy
- https://kastemer.com/privacy-policy/
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Data sourced from the Chrome Web Store · last verified Jun 7, 2026.