KDSPY Free Trial – Publisher Rocket Alternative

Looking for a Free Alternative to Publisher Rocket? If PR is too expensive for you at $199 then try KDSPY at just $79 with a very generous 60 DAY FREE TRIAL.

Ever felt overwhelmed by the sea of self-publishing research tools? When you’re hunting for profitable book ideas on Amazon, you need clear data without a steep learning curve.

In this KDSPY review, we’ll break down what KDSPY can do for you, and see how it stacks up as a KDP Rocket free alternative.

By the end, you’ll know which tool fits your self-publishing workflow, so you can move from confused to confident in no time.

KDSPY Free FAQ

1. Is KDSPY a good alternative to Publisher Rocket?

Yes. KDSPY is a cost-effective alternative to Publisher Rocket. While PR has slightly more features, KDSPY’s lower price and 60-day free trial make it an excellent choice for authors looking for value without sacrificing essential KDP research functionality.

---

2. What features can I access with KDSPY?

KDSPY provides key KDP research tools, including keyword tracking, niche analysis, and competitor insights. It may not have every feature of Publisher Rocket, but it covers the essentials for identifying profitable niches efficiently.

---

3. How much does KDSPY cost compared to Publisher Rocket?

KDSPY is more affordable than Publisher Rocket, even though both are one-time purchases. For authors seeking a budget-friendly KDP research tool, KDSPY delivers excellent value without ongoing fees.

---

4. Can KDSPY replace Publisher Rocket for niche research?

Yes. KDSPY can handle most niche research tasks, helping you discover top categories, evaluate competition, and track bestselling books. While PR provides more detailed keyword insights, KDSPY is perfectly capable for most authors’ needs.

---

5. Why should I choose KDSPY over Publisher Rocket?

KDSPY is ideal for authors who want solid KDP research at a lower cost. Its 60-day free trial and simpler interface make it a practical choice, offering great value even though Publisher Rocket is slightly more comprehensive.

---

6. Is KDSPY easy for new authors to use?

Absolutely. KDSPY is intuitive and beginner-friendly. Authors can run keyword searches, track competitors, and analyze niches without technical experience, making it easy to get started quickly.

---

7. Does KDSPY work for international Amazon marketplaces?

Yes. KDSPY supports multiple Amazon Kindle stores worldwide, so you can research niches, competition, and keywords globally — all at a lower cost than Publisher Rocket.

---

8. Is KDSPY worth the investment?

Definitely. KDSPY offers excellent value for money. While Publisher Rocket may have slightly more advanced features, KDSPY’s 60-day free trial and lower price make it a highly worthwhile tool for authors looking to optimize KDP publishing without overspending.

Publisher Rocket Alternatives – Understanding KDSPY

KDSPY is a browser extension that taps directly into Amazon’s Kindle store to surface hidden insights. With one click, you can:

• View estimated daily and monthly sales for any Kindle book
• Scan categories to uncover hot niches
• Sort results by author, title, or rank for quick filtering
• Export data to CSV for deeper analysis

These features give you a fast lane to spot profitable markets without juggling spreadsheets or manual calculations.

How KDSPY works

Once you install the extension, you browse Amazon like you normally would. KDSPY then overlays extra columns with sales rank, price, page count, and revenue estimates. Curious how it generates its stats? It runs a formula based on rank history and price, then updates in real time as you click through pages. No complex setup, no hidden menus—just point, click, and review.

KDSPY Pricing

KDSPY costs $79 and you can cancel any time. Updates and support come included. That means you always get the latest sales formulas and bug fixes without extra charges.

KDSPY Keyword Tools

KDSPY’s main focus isn’t keyword volume, but it does let you:

• Filter books by title or subtitle keywords
• See best-seller rank and automatically infer popularity
• Combine keyword filters with category scans

It’s more about spotting rising terms in the wild than checking raw search counts.

Keyword Spy Competitor Analysis

With KDSPY, you can jump into any category and instantly rank books by estimated revenue or pages. That helps you:

• Identify top-earning authors
• Spot up-and-coming titles before they skyrocket
• Narrow down competitor lists with price or page-length filters

It’s a quick way to map out who you’re up against and what’s selling right now.

KDSPY Sales Metrics

KDSPY shows estimated daily and monthly sales for each Kindle book in a category view. You get:

• Sales rank history over time
• Revenue estimates based on current price
• Instant comparisons side by side

This helps you track trends without switching tabs or copying numbers into a spreadsheet.

If you rely on Kindle Unlimited or want a historical snapshot, Rocket’s depth can come in handy.

KDSPY Market Insights

KDSPY’s category scans reveal which niches are heating up. You can:

• See how many titles hit top 100 in the past week
• Track average price trends to gauge reader spending
• Spot seasonal shifts in subcategories

It’s a pulse-check tool to see what’s trending now.

Niche and Author Insights

With KDSPY you can:

• Export data for up to 50 books at once
• Identify top-earning authors in any category
• See subcategory performance without digging through menus

It’s a lean tool that focuses on speed and minimal clicks, perfect if you want quick nuggets of intel.

Limitations to Consider

While KDSPY is fast, it doesn’t offer:

• Built-in PPC bid suggestions
• Deep keyword volume metrics
• Historical trend charts beyond BSR data

So if you need robust keyword volume breakdowns, you might find KDSPY a bit light.

Understand your Research Needs

Before you dive into features and pricing, take a beat to clarify what you really need. That way you won’t pay for bells and whistles you’ll never use.

Identify your Publishing Goals

Start by listing what matters most in your book journey. For example:

• Discovering low-competition, high-traffic keywords
• Analyzing bestselling titles and their categories
• Estimating ad costs and potential ROI
• Tracking long-term sales rank trends

Knowing your top priorities keeps you focused when comparing tools. Which feature could boost your next launch?

List must-have Features

Every author has a slightly different workflow, but most tools should offer:

• Keyword research with search volume data
• Sales rank (BSR) estimates for competitive analysis
• Category explorer to spot underserved niches
• Ad cost or bid calculators (optional)

You might be fine without ad data if you just want keyword ideas. So keep that in mind as you evaluate options.

Set your Budget

Research software comes in one-time fees or monthly subscriptions. Ask yourself:

• Are you okay with a one-off payment, no updates included?
• Can you commit to a subscription if it means ongoing support?
• Do you need a free trial so you can kick the tires first?

Budgeting upfront prevents sticker shock later. And remember, some tools offer basic free tiers to test core features.

Summarize Pros and Cons

KDSPY Pros and Cons

• Pros
  • Fast, in-browser insights without leaving Amazon
  • Real-time updates on sales rank and revenue
  • Simple interface, zero learning curve
• Cons
  • Limited keyword volume data
  • Lacks historical tracking beyond rank trends
  • Subscription fee may add up over time

Decide your Best Choice

Pick KDSPY if

• You want a quick, plug-and-play browser tool
• Real-time sales estimates matter most
• You prefer a monthly subscription to spread out costs

Choose Publisher Rocket if

• You need in-depth keyword and competition data
• You favor a one-time fee with lifetime updates
• Historical sales and KU page-read tracking are priorities

Go here to read our indepth Publisher Rocket Free review

Ready to dive in? Think about your workflow and budget, then pick the tool that complements your style.

Explore alternative tools to KDSPY

Beyond Publisher Rocket and KDSPY, several other solutions can help you nail your keyword and market research. Here are three worth checking out.

Book Bolt

Book Bolt bills itself as an all-in-one platform for Kindle Direct Publishing (KDP) research and design.

• Keyword research with monthly volume estimates
• Category explorer and bestseller checker
• Built-in cover and interior designer for low-content books

If you create journals or planners, the design features alone could pay for a subscription.

AuthorLabs

AuthorLabs focuses on data-driven decisions with a dashboard-style interface.

• Keyword suggestions and trend charts
• Competitive analysis with filters for price and BSR
• Email alerts when a niche meets your criteria

Their email notifications help you jump on emerging trends before they get crowded.

Reedsy Discovery

Reedsy Discovery isn’t a research tool per se, but a book review platform.

• Submit your book to a community of reviewers
• Get honest feedback before launch
• Increase visibility through featured lists

While you won’t get keyword data, you’ll learn how actual readers perceive your book, which can inform your category and keyword choices.