# KDSPY Pro

> KDPSY v5 is a 'time-saving' research companion that every author – fiction or non-fiction – should have in their toolbox. Research your competitors, potential niche markets, categories, keywords, and title ideas – all while you're browsing Amazon.

Canonical page: [https://chrome-stats.com/d/kdspy-v5](https://chrome-stats.com/d/kdspy-v5)

## Overview

- **ID:** `kdspy-v5`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Wesley Atkins
- **Category:** search-tools,shopping
- **Daily users:** 1,347
- **Weekly downloads:** 9
- **Rating:** 3.46 / 5 (13 ratings)
- **Version:** 5.13.56
- **Last updated:** 2026-05-12
- **First published:** 2019-08-09
- **Size:** 2.04 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/kdspy-v5/)
- **Website:** [https://www.publishingaltitude.com/contact-us/](https://www.publishingaltitude.com/contact-us/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/kdspy-v5/privacy/](https://addons.mozilla.org/firefox/addon/kdspy-v5/privacy/)

## Description

KDSPY Pro is an essential research companion for authors, whether fiction or non-fiction, designed to save time and maximize market insights while browsing Amazon. It allows users to analyze competitors, explore profitable niches, assess over 32,000 categories, and generate title and keyword ideas directly via a one-click browser plugin. Features include revenue estimates, hourly sales stats, competitor sales tracking over 30 days, keyword profitability comparisons, and bestseller reverse engineering.

This powerful paid add-on enables authors to write books that resonate with their target audience, optimize sales strategies, and grow readership by making data-driven decisions quickly and easily within the Amazon ecosystem.

## Rankings

- #2,865 — Overall
- #118 — Shopping
- #336 — Search Tools
- #1 — ad spy
- #35 — author
- #36 — payments

## Permissions and access

### Permissions

- `storage`
- `alarms`
- `scripting`
- `*://*.publishingaltitude.com/*`
- `*://*.google.com/*`
- `*://*.amazon.com/*`
- `*://*.amazon.co.uk/*`
- `*://*.amazon.de/*`
- `*://*.amazon.fr/*`
- `*://*.amazon.pl/*`
- `*://*.amazon.ca/*`
- `*://*.amazon.it/*`
- `*://*.amazon.es/*`
- `*://*.amazon.in/*`
- `*://*.amazon.co.jp/*`
- `*://*.amazon.com.au/*`
- `*://*.amazon.com.br/*`
- `*://*.amazon.com.mx/*`

### Content script matches

- `*.amazon.com`
- `*.amazon.co.uk`
- `*.amazon.de`
- `*.amazon.fr`
- `*.amazon.pl`
- `*.amazon.ca`
- `*.amazon.it`
- `*.amazon.es`
- `*.amazon.in`
- `*.amazon.co.jp`
- `*.amazon.com.au`
- `*.amazon.com.br`
- `*.amazon.com.mx`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Request access to the following domains: publishingaltitude.com, google.com, amazon.com, co.uk, amazon.de, amazon.fr, amazon.pl, amazon.ca, amazon.it, amazon.es, amazon.in, co.jp, com.au, com.br, com.mx
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users appreciate KDSPY Pro's accuracy and some new users like it initially. However, multiple reviews highlight issues with the add-on requiring payment without free features and problems accessing it after purchase, causing distrust among users.

### Pros

- Users find KDSPY Pro to be accurate in its functionality.
- Some new users have a positive initial impression of the app.

### Cons

- No features are available without payment, leading to perceptions of a scam.
- Users report being unable to access the extension after paying.

## Similar extensions and apps

- [kdp-research-extractor-pro-app](https://chrome-stats.com/d/kdp-research-extractor-pro-app) — 1 users
- [Scrivy Book Scout — KDP research & tracking](https://chrome-stats.com/d/scrivy-book-scout) — 8 users
- [MyAuthorSuite Search Tool](https://chrome-stats.com/d/myauthorsuite-search-tool) — 4 users
- [Datasprout](https://chrome-stats.com/d/datasprout) — 98 users, 3.00 / 5
- [SellerSprite - The Most Professional Amazon Tool](https://chrome-stats.com/d/sellersprite-amazon-tool) — 20,546 users, 4.41 / 5
- [KDROI v2](https://chrome-stats.com/d/kdroi-v2) — 200 users, 5.00 / 5
- [PPSPY](https://chrome-stats.com/d/ppspy) — 91 users, 1.00 / 5
- [KDROI](https://chrome-stats.com/d/kdroi) — 133 users, 5.00 / 5
- [BookEdge](https://chrome-stats.com/d/bookedge) — 17 users, 5.00 / 5
- [KWScanner - Keyword Research](https://chrome-stats.com/d/kwscanner-keyword-research) — 37 users
- [AmzCompanion — Amazon Stock Checker](https://chrome-stats.com/d/amzcompanion) — 1 users
- [Digital Titans: Easy Keyword Research](https://chrome-stats.com/d/titans-app) — 30 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/kdspy-v5)