Book Bolt extension vs SellerApp extension
Book Bolt extension requires a subscription and provides live KDP data overlay on Amazon, focusing on author-specific metrics like sales estimates and keyword analysis. SellerApp extension is free and offers a broader Amazon data overlay including keyword rankings and sales estimates, but with less depth in KDP-specific features. The key differences are pricing (subscription vs free) and the specialization of Book Bolt for KDP authors versus SellerApp's general Amazon analytics. Both are browser extensions with similar functionality but target different budgets and data needs.
Pick Book Bolt extension
Pick Book Bolt extension if you need in-depth KDP-specific data such as live sales estimates and royalty calculations, and are willing to pay a subscription for specialized author tools.
Pick SellerApp extension
Pick SellerApp extension if you want free access to general Amazon keyword rankings and sales estimates without a subscription, and do not require KDP-specific metrics.
At a glance
| Book Bolt extension | SellerApp extension | |
|---|---|---|
| Pricing | Subscription | Free |
| Pricing model | Subscription | Free |
| Free option | No | Yes |
| Platforms | Extension | Extension |
| Best for | Browser Extensions | Browser Extensions |
| AI features | No | No |
| Open source | No | No |
SellerApp extension
sellerapp.com
Free Amazon data overlay (keywords, rank, estimates).
Visit SellerApp extension ↗See more options: Book Bolt extension alternatives · SellerApp extension alternatives