https://bookbolt.io/
2 extensions 70,000 users in all First published 13 Feb 2019
Extensions are grouped by the store's own publisher account ID, so a developer who uses several accounts appears on several pages. Live extensions come first, most users first.
| Extension | Category | Users | Rating | Updated | Status |
|---|---|---|---|---|---|
| KDP Spy by Book Bolt | Workflow & Planning | 50,000 | 2.36 | 24 Apr 2026 | Live |
| Book Bolt Lister | Workflow & Planning | 20,000 | 3.32 | 15 Oct 2025 | Live |