SellerSonar Review & Pricing (2026)

SellerSonar

Brand Protection

SellerSonar is a monitoring and alerting platform for Amazon sellers, brand owners, vendors, and agencies. It watches tracked ASINs and keywords for changes and sends notifications when a listing is edited, a Buy Box is lost, a new seller appears on an offer, a search ranking moves, or a review is posted. The platform also scores listing quality and reports keyword share of voice against competitors.

SellerSonar is positioned as a defensive layer rather than a research or advertising tool, so it sits alongside product research and PPC software rather than replacing them. It reads public marketplace data and does not require a Seller Central connection, which shortens setup. Alert frequency, historical data depth, and access to review tracking and share of voice vary by plan tier, so teams should map the alert types they need to a specific plan before subscribing.

Capabilities
Buy Box Tracker
Monitors Buy Box ownership over time and alerts on wins, losses, and suppressions.
SharkGuard
Alerts in-app and by email when another seller lists on an ASIN in a marketplace where you do not sell.
Listing Change Alerts
Notifies when titles, images, bullet points, or descriptions on a tracked ASIN are edited.
Keyword Rank Tracker
Tracks organic and sponsored keyword positions daily with rise and drop alerts.
Listing Quality Score
Scores each ASIN against image, title, bullet, and description criteria and highlights gaps.
Share of Voice
Reports brand share of voice per tracked keyword against top competitors, split by organic and sponsored.
Review Tracker
Alerts on new reviews, suspicious reviews, and bulk review deletions with sentiment analysis.
Ranking Tracker
Monitors Best Sellers Rank movements and category changes with historical charts.
Catalog Management
Compares an uploaded parent-child file against Amazon to detect variation mismatches.
Alert Integrations
Sends alerts to Slack, Trello, and webhook endpoints alongside in-app and email notifications.
Strengths
Publishes tiered pricing on the website with both monthly and annual billing.
Operates without a Seller Central connection, which reduces onboarding requirements.
Covers 23 Amazon marketplaces on all plans according to the vendor.
Combines listing change, Buy Box, keyword rank, and review monitoring in one alert system.
Delivers alerts to Slack, Trello, and webhook endpoints in addition to email.
Offers a free trial tier limited to 5 ASINs alongside a paid full-access trial.
Considerations
Alert refresh frequency varies by plan, from every four hours on the entry tier to hourly on higher tiers.
The entry Pro plan excludes Buy Box won and lost alerts and review alerts.
Share of Voice requires the Business plan or above, and Share of Shelf and the API require Enterprise.
Historical data depth is capped at six months on the entry tier.
Enterprise pricing is not publicly listed and requires contacting the vendor.
The monitoring API is sold as a separate credit-based product that does not include dashboard access.
The contracting entity named in the Terms of Use is registered in Cyprus and the agreement is governed by English law.
Pricing
$19.98/mo
14-day free trial; free tier limited to 5 ASINs
Visit website
CategoryBrand Protection
TypeSoftware
Pricing modelMonthly subscription
MarketplacesAmazon (23 marketplaces)
Best forBrand owners, vendors, agencies

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