Some links on this page are affiliate links. If you buy through them, iWrity may earn a commission at no extra cost to you. We only list tools we think indie authors can use, and we write down the downsides too. How we review tools.
What Publisher Rocket does
Publisher Rocket estimates how many people search Amazon for a phrase each month and how hard it is to rank for it. It also lists Amazon categories with the sales needed to hit #1 in each, and it builds keyword lists for Amazon Ads campaigns.
You pay once and get updates for free. That makes it the cheapest serious KDP research tool over a few years, as long as you work on a laptop or desktop.
- Keyword search with estimated monthly Amazon searches
- Category search across 19,000+ Amazon categories
- Competition analyzer with competitor sales and rankings
- Amazon Ads keyword generator
- Unlimited searches and free updates
- Amazon US, CA, AU, UK, DE, FR, ES and IT
Publisher Rocket pricing
| Lifetime license | $199 one-time |
The vendor says the lifetime license may switch to a yearly subscription in the future.
Pros and cons
What works
- ✓One payment, no subscription
- ✓Category data helps you pick less crowded categories
- ✓The ads keyword generator saves hours when you set up Amazon Ads
- ✓Covers the main English and European Amazon stores
What does not
- ✗No free trial, only a refund window
- ✗Desktop app, it does not run on tablets or phones
- ✗Research only, with no design or interior tools
- ✗Eight Amazon stores, fewer than some extensions
Our verdict
If you publish on Amazon and plan to keep doing it, Publisher Rocket pays for itself fast. It answers the three questions that matter before launch: what readers type, which categories you can win, and which keywords to bid on.
Head-to-head comparisons
Publisher Rocket alternatives
A subscription with a KDP research extension plus low-content creation tools.
A one-time-payment browser extension for sizing up Amazon niches.
Research plus cover and interior design for low-content KDP books.
Deep category, keyword and listing data for publishers with many titles.
Frequently asked questions
Is Publisher Rocket a one-time purchase?
Yes. On 9 October 2026 it cost $199 once, with free updates. The vendor warns it may move to a yearly plan later.
Does Publisher Rocket have a free trial?
No. It has a 30-day money-back guarantee instead.
Does it work on a Chromebook?
Yes. The vendor offers Windows, Mac and Chromebook versions. It does not run on iPads or phones.
Related guides on iWrity
Prices and features checked on 2026-10-09. Vendors change plans often, so confirm on their site before you buy.
Tools build the book. Reviews sell it.
Once your book is live, iWrity matches you with readers in your genre who leave honest Amazon reviews. Free to start.
Get reviews on iWrity