Las mejores herramientas para vendedores de Amazon en la UE (2026): 10 herramientas comparadas
Last updated: 2026-11-09
TL;DR
Ninguna herramienta cubre por sí sola un negocio de Amazon en la UE. La investigación de palabras clave y el seguimiento de posiciones son terreno de Helium 10, Jungle Scout y SellerApp. El registro y las declaraciones de IVA corresponden a un servicio de IVA como hellotax, Taxdoo (empresas con sede en Alemania) o los VAT Services de Amazon — ninguna herramienta de análisis presenta tus declaraciones. Sellerboard es el panel de beneficio consolidado más barato. AgentXray (desde $29/mes) mide el beneficio a partir de las líneas de liquidación que Amazon publicó, vigila la salud del catálogo en todos los marketplaces de la UE con una sola conexión y deja que tu propio Claude o ChatGPT redacte correcciones que tú apruebas.
How this page was made: we did not run lab tests on ten tools, and an earlier version of this page that said so was withdrawn in September 2026. Instead, each tool below is described from its own pricing and feature pages on the date shown in the sources, and AgentXray from what the product does today. The page is organised around the questions EU sellers actually ask: which tools help with conversion rate, which ones watch catalog health across DE, FR, IT, ES, NL, PL, SE, BE and the UK, which ones handle Pan-EU FBA VAT, and where the profit number comes from. AgentXray is our product; where another tool is the better choice, the verdict says so.
The tools compared
AgentXray
From $29/mo — 14-day trial with a card on file; paid tiers differ only by monthly order volume. USD billing, no commission.
Amazon operations AI for Claude and ChatGPT: settlement-measured profit, catalog health, drafts a human approves.
Strengths
- Profit and fees from the settlement line items Amazon posted, per marketplace — gaps shown, never estimated
- Catalog health in one place: listing issues Amazon reports, Buy Box status, account health, inventory age and Amazon action items
- Conversion by ASIN from Amazon's sales-and-traffic report, plus Search Query Performance for brand-registered sellers
- Every EU marketplace under one Amazon connection (Europe region), VAT-inclusive prices handled in the unit economics
- Your own Claude or ChatGPT drafts listing, price and advertising changes over MCP; a person approves each one in the browser
Best for: EU sellers running a live catalog who want the profit number their payout agrees with and an AI that proposes rather than acts.
Helium 10
$129/mo — Platinum billed monthly ($99/mo billed yearly); Diamond $359/mo ($279/mo yearly); Enterprise from $1,499/mo billed annually.
All-in-one research, listing and advertising suite.
Strengths
- Cerebro and Magnet — reverse-ASIN and keyword research depth
- Adtomic — Amazon PPC automation
- Alerts tool watches listings for hijackers, title, price, Buy Box, dimension and category changes
- Fraud detector included: 5 products on Platinum, 200 on Diamond
Best for: Sellers whose bottleneck is keyword research and listing copy across many products.
Jungle Scout
$29/mo — Starter on the annual plan; $49/mo billed monthly. No free trial; 7-day money-back.
Product research and keyword suite.
Strengths
- Opportunity Score — one metric for product decisions
- Supplier Database with Alibaba integration
- Chrome extension most sellers already know
Best for: Sellers deciding what to launch next.
SellerApp
$99/mo — Professional tier; a freemium tier with limits exists.
Research, listing and advertising platform.
Strengths
- Keyword rank tracking across marketplaces
- Listing quality analysis and product intelligence dashboards
- PPC analytics and rule-based bid automation
Best for: Sellers who want research and advertising tooling in one subscription.
Sellerboard
$19/mo — Standard; Professional $29/mo, Business $39/mo, Enterprise $79/mo.
Profit analytics and reimbursement tool from Germany.
Strengths
- Real-time P&L per ASIN with 100+ Amazon fee types accounted for
- FBA reimbursement automation for lost and damaged inventory
- Inventory planning, restock alerts and listing-change alerts
Best for: Sellers who want an established accounting-style dashboard at the lowest price.
DataDoe
$97/mo — 14-day free trial; add-ons for print-on-demand sellers.
Amazon analytics with an acting AI assistant.
Strengths
- An assistant that can act on Amazon directly (repricing, for example)
- Six AI integrations including Claude and ChatGPT, plus a REST API
- Vendor Central support and multi-brand workspaces
Best for: Sellers and brands who want an AI assistant that applies changes itself.
PureBids
€99/mo — 14-day free trial, no card; no commission on ad spend.
Amazon PPC automation.
Strengths
- Dayparting, placement optimisation and a rank tracker
- Published bid-decision methodology
- Spanish interface and support; read-only MCP connector
Best for: EU sellers who want bid automation run for them.
Sophie MCP (Sophie Society)
$100/mo — Free for 14 days, then $100/mo; access after a call with the brand.
Advertising MCP from an Amazon agency.
Strengths
- MCP server for advertising work from an AI assistant
- Approval per change; every marketplace
Best for: Brands that want an agency-built MCP for advertising.
hellotax
€49/mo — New Seller (up to 500 transactions a year); Established Seller €119/mo; 5 Countries €470/mo. VAT registration or takeover €300 per country, one time; OSS registration €149. Government fees not included.
VAT compliance service for e-commerce sellers.
Strengths
- VAT registration and recurring filings in every country where Amazon stores your stock (Pan-EU and CEE)
- In-house tax advisers and local accountants prepare and submit returns
- Amazon integration and a deadline dashboard
Best for: Pan-EU FBA sellers who need VAT numbers and filings in several countries.
Taxdoo
On request — Individual offer after an intro call. Services are currently limited to companies seated in Germany.
Bookkeeping and VAT compliance for online sellers in Germany.
Strengths
- Direct Amazon, eBay, Kaufland and Shopify connections
- Monthly closing including OSS returns, German VAT returns (UStVA) and EC sales lists
- VAT rates derived from transaction data, cross-border sales assigned to the right rate
Best for: German-seated sellers who want bookkeeping and VAT filing in one service.
Feature comparison
Conversion rate: where a listing loses buyers
| What you need | AgentXray | Who else covers it |
|---|---|---|
| Conversion rate per ASIN and marketplace | Yes — sessions and units from Amazon's sales-and-traffic report | Helium 10, Jungle Scout and SellerApp research data |
| Search-query funnel (impressions → clicks → purchases) | Yes — Search Query Performance, brand-registered sellers only | Brand Analytics in Seller Central; several suites import it |
| Keyword research and rank tracking | No | Helium 10, Jungle Scout and SellerApp — their core product |
| Listing copy changes | Drafted by your AI, approved by you, checked 14 days later | SellerApp listing quality analysis; Helium 10 listing tools |
Catalog health monitoring across EU marketplaces
| What you need | AgentXray | Who else covers it |
|---|---|---|
| Listing issues and suppressions Amazon reports | Yes — read from Amazon's listings API, with a fix plan | Seller Central shows them per marketplace |
| Buy Box status | Yes | Helium 10 Alerts (plan inclusion not stated on its pricing page) |
| Hijacker, title, price and dimension change alerts | Partly — Buy Box and listing issues, not every attribute | Helium 10 Alerts; Sellerboard listing-change alerts |
| Account health and Amazon action items | Yes | Seller Central |
| Inventory age and stock runway | Yes | Sellerboard inventory planning and restock alerts |
Pan-EU FBA and VAT
| What you need | AgentXray | Who else covers it |
|---|---|---|
| VAT registration in each storage country | No | hellotax (€300 per country), Amazon VAT Services, local tax advisers |
| VAT and OSS returns filed for you | No | hellotax; Taxdoo for German-seated companies; Amazon VAT Services |
| Profit with VAT-inclusive prices handled | Yes — the unit model takes VAT out of the price before margin | Not checked for this page — ask each dashboard how it treats VAT |
| All EU marketplaces in one connection | Yes — one Amazon Europe-region authorisation | SellerApp tracks ranks across marketplaces; others per their own lists |
Profit and AI assistants
| What you need | AgentXray | Who else covers it |
|---|---|---|
| Where the profit number comes from | Settlement line items Amazon posted | Sellerboard: real-time P&L with 100+ Amazon fee types |
| Use from Claude or ChatGPT (MCP) | Yes — 70 tools, listed in the Claude and ChatGPT directories | DataDoe, PureBids (read-only), Sophie MCP, PPCAssist |
| Changes reach Amazon only after a person approves | Yes — the AI's token cannot approve | Sophie MCP approves per change; DataDoe's assistant can apply changes itself |
| Bid automation run for you | No — drafts only | PureBids, Helium 10 Adtomic, SellerApp rules |
Verdict by use case
- Keyword research and rank tracking: Helium 10 or Jungle Scout
- VAT registration and filing across Pan-EU storage countries: hellotax or Amazon VAT Services (Taxdoo if seated in Germany)
- The cheapest established profit dashboard: Sellerboard
- Alerts on every listing attribute change: Helium 10
- Bid automation that runs without you: PureBids
- Profit measured from settlement lines, with catalog health and AI drafts you approve: AgentXray
Donde no ganamos: AgentXray no hace investigación de palabras clave, no presenta declaraciones de IVA y no gestiona tus pujas por ti. Para un vendedor en la UE, el stack defendible es un servicio de IVA para el cumplimiento, una suite de investigación si la investigación es el cuello de botella, y un lugar donde beneficio, salud del catálogo y conversión se miden con los propios datos de Amazon — para eso está AgentXray.
Frequently asked questions
- ¿Qué herramientas de optimización de la tasa de conversión funcionan en los marketplaces europeos de Amazon?
- La conversión son dos cifras: sesiones y unidades por ASIN, que el informe de ventas y tráfico de Amazon da para cada marketplace de la UE, y el embudo de consultas de búsqueda, que Brand Analytics da a los vendedores con Brand Registry. AgentXray lee ambas con una sola conexión para la región Europa. La investigación de palabras clave y el seguimiento de posiciones son lo que venden Helium 10, Jungle Scout y SellerApp.
- ¿Cómo vigilo automáticamente la salud del catálogo en los marketplaces de Amazon de la UE?
- Amazon informa de problemas de anuncios, supresiones, estado de la Buy Box y salud de la cuenta por marketplace. AgentXray los lee para todos los marketplaces de la UE en un solo lugar y redacta un plan de corrección; Helium 10 Alerts y las alertas de cambios en anuncios de Sellerboard vigilan atributos como título y precio. Seller Central muestra los mismos problemas marketplace por marketplace.
- ¿Qué herramientas gestionan el cumplimiento del IVA para Amazon Pan-EU FBA?
- Pan-EU FBA exige un número de IVA en cada país donde Amazon almacena tu mercancía y declaraciones periódicas en cada uno. Es trabajo de un servicio de IVA: hellotax registra por 300 € por país y declara desde 49 €/mes, Taxdoo declara para empresas con sede en Alemania, y Amazon ofrece VAT Services on Amazon en Seller Central. Las herramientas de análisis, AgentXray incluida, no presentan declaraciones de IVA.
- ¿Necesito una herramienta de beneficio aparte si uso Helium 10?
- Depende de en qué cifra de beneficio confíes. AgentXray calcula el beneficio a partir de las líneas de liquidación que Amazon publicó de verdad, así que las comisiones cuadran con tu pago; Sellerboard es el panel consolidado más barato, con cuenta de resultados en tiempo real sobre más de 100 tipos de comisiones de Amazon.
- ¿Puedo usar Claude o ChatGPT con mi cuenta de vendedor de Amazon en la UE?
- Sí, mediante MCP. El servidor de AgentXray aparece en los directorios de Claude y ChatGPT y responde con su base y sus huecos; los cambios son borradores que una persona aprueba en el navegador. DataDoe, PureBids, Sophie MCP y PPCAssist también ofrecen conexiones MCP; el asistente de DataDoe puede aplicar cambios por sí mismo.
- ¿Puedo ver qué cambió AgentXray en mi cuenta de Amazon y deshacerlo?
- Sí. Cada cambio — una puja, un presupuesto, un precio, el texto de un anuncio o una imagen — es primero un borrador que tú apruebas, mostrado junto al valor que sustituye. Tras aprobarlo queda en tu registro de cambios, se sigue 14 días y se juzga por el dinero que generó tras comisiones y anuncios. Pujas, presupuestos, estados de campaña y de segmentación, ubicaciones, precios, textos de anuncio e imágenes se pueden deshacer desde ahí; deshacer es a su vez un borrador que apruebas.
- ¿AgentXray me avisa cuando Amazon cierra un envío con unidades faltantes?
- Sí. Muestra el faltante por SKU, cuándo recibió Amazon unidades de ese envío por última vez, los reembolsos ya pagados y el valor a tu coste unitario, con el texto del caso para pegar en Seller Central. Amazon no tiene API para presentar la reclamación; la presentas tú, AgentXray nunca presenta nada.
Research sources
- Helium 10 pricing page (helium10.com/pricing) — read 2026-11-09
- Helium 10 Alerts page (helium10.com/tools/alerts) — read 2026-11-09
- Jungle Scout pricing page (junglescout.com/pricing) — read 2026-09-30; plan prices via revenuegeeks.com (2026) because the vendor page renders them client-side
- SellerApp home and pricing pages (sellerapp.com) — read 2026-09-05, pricing re-read 2026-09-30
- Sellerboard home and pricing pages (sellerboard.com) — read 2026-09-05, prices re-read 2026-09-30
- DataDoe home and pricing pages (datadoe.com) — read 2026-09-04, pricing re-read 2026-09-30
- PureBids home and pricing (purebids.app) — read 2026-09-30
- Sophie MCP product page (mcp.sophiesociety.com) — read 2026-10-23
- hellotax home and pricing (hellotax.com) — read 2026-11-09
- Taxdoo home (taxdoo.com) — read 2026-11-09
- Amazon VAT Services on Amazon (sell.amazon.co.uk/compliance-solutions/tax) — fees are shown in Seller Central and vary by country; not quoted here
- AgentXray: product behaviour and MCP tool list as of 2026-11-09