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Almanac by Growster

Stop rebuilding the same Amazon margin sheet every Monday.

Almanac connects to your Amazon seller account with your authorization and brings profitability, advertising, inventory, shipments and search performance together into one reporting environment — refreshed hourly, without spreadsheet exports. Built for brands selling on Amazon.

An Almanac account view showing total sales, TACOS against target and ceiling, and total net profit with net margin after fees and ads, above six KPI cards and a sales versus ad spend trend chart
Coverage

Every Amazon marketplace, in that marketplace's own currency. Brands selling across several regions are reported together and separately.

Freshness

Data refreshes hourly. Reports are not overnight batches, so a change in spend or stock shows up the same working day.

Setup

Authorize Almanac in Seller Central and your data is available straight away. No implementation project, no data migration, no onboarding fee.

How Almanac reads a portfolio

Every brand judged against its own plan

Most reporting ranks accounts on one shared line, so a brand working to a 22% TACOS target and a brand working to 12% get scored as though they were the same business. Almanac measures each brand against its own target and its own ceiling, then sorts by distance from plan.

What surfaces first is what is genuinely off track — not whichever account happens to be largest. Issues are graded critical, high or watch, so a portfolio of brands can be triaged in one screen instead of opened one at a time.

Almanac listing several Amazon brand accounts side by side, each showing its TACOS against its own target, total sales, ad spend and open issues graded critical, high or watch
Capabilities

What Almanac does

Almanac reads data from the authorized Amazon seller account and turns it into reporting that refreshes hourly, raising an alert when a metric moves outside its expected range. What it covers falls into four areas — money, advertising, supply, and listings and account health. Reporting functions are read-only, and authorization can be withdrawn at any time, which immediately ends our access.

Almanac advertising performance broken down by ad type, match type and placement, with spend, ad sales, ACOS, conversion rate and cost per click for each

Profitability and financial reporting

Consolidates order revenue, referral and fulfilment fees, refunds, reimbursements and settlement data into a net margin figure per product, per marketplace and per period — replacing manual reconciliation of Amazon settlement reports.

Finance and Accounting

Price monitoring

Records list and selling prices over time, reports the margin impact of price changes and promotions, and applies price updates approved by the seller within limits the seller defines.

Pricing

Advertising performance

Imports Sponsored Products, Brands and Display data including search term reports, and reports spend, sales, ACOS and TACOS by ad type, match type and placement alongside the profitability data for the same products.

Amazon Ads API

Search and brand performance

Reports search query performance for the brand's products — impressions, clicks and purchase share by customer search term — and compares it against advertising performance for the same terms to separate organic from paid contribution.

Brand Analytics

Inventory and order tracking

Monitors available, reserved and inbound stock against sales velocity, projects days of cover remaining, and raises alerts for stock-out and overstock risk. Order data is aggregated for demand and replenishment planning.

Inventory and Order Tracking

Shipment tracking to Amazon

Tracks inbound FBA shipments from creation through receipt at the fulfilment centre, flags shipments delayed in transit or partially received, and reconciles units shipped against units checked in.

Amazon Fulfillment

Warehousing and distribution

Tracks inventory held in Amazon Warehousing and Distribution alongside FBA stock, reports distribution shipments moving from AWD into fulfilment centres, and flags when replenishment is needed to maintain cover.

Amazon Warehousing and Distribution

Account health monitoring

Surfaces seller account performance indicators and listing compliance signals, and raises open issues against each account graded critical, high or watch. Every brand is measured against its own target and ceiling rather than a shared line, so a portfolio view sorts by what genuinely needs attention first.

Selling Partner Insights

Listing and content management

Retrieves current listing attributes, images and A+ content for review, reports incomplete or non-compliant listing data, and applies approved listing and content updates on the seller's instruction.

Product Listing
Pricing

What Almanac costs

Most Amazon software and agencies quote only on request. We publish what Almanac costs and exactly what moves the price. It is a fixed monthly fee per seller account, depending on how many active products and marketplaces are connected and whether Growster also manages the account. No usage charges, no per-report fees, no setup fee.

Included with account management

No software fee

For brands on a Growster account management or advertising retainer, Almanac is included at no additional cost. The retainer itself is scoped to the brand and quoted separately.

Standalone licence

From €499 per month

For brands not on a retainer. The entry price covers one marketplace and up to 50 active products; larger catalogues and additional marketplaces are quoted in bands. Request a quote below for a written figure.

Active products (ASINs) — the primary driver, quoted in bands rather than per unit
Marketplaces connected — each additional marketplace increases the monthly fee
Reporting frequency — weekly reporting is standard, daily sits in a higher band
Account management retainer — removes the software fee for the duration of the retainer
Track record

The agency behind Almanac

“Absolute killers, data driven and extremely dedicated.”

Maxime Huet
Trustpilot review, June 2026

“Great at communicating, quick to respond, able to explain their strategy.”

Emily Blain
Trustpilot review, December 2023
Read all reviews on Trustpilot
Get a quote

Request pricing for your account

Send the details below and we reply by email with a written quote, usually within one business day. You can also email us directly at admin@growster.io.

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Contact

Talk to us

Growster UG is based in Germany and supports selling partners across the European marketplaces. We answer enquiries within one business day.

Company

Growster UG, Germany. Full company details are in the imprint.

Data handling

How seller data is handled

Almanac accesses an Amazon seller account only after the seller authorizes the application through Amazon's official authorization process. Authorization can be withdrawn at any time, which immediately ends our access.

Purpose limitation

Data retrieved from a seller account is used only to produce reporting and analysis for that same seller. It is never sold, never shared with other sellers, and never used to inform a competing business.

Security

Data is encrypted in transit and at rest. Access is restricted by role to authorized personnel. Credentials and access tokens are held in a dedicated secret store and are never embedded in application code.

Retention and deletion

Data is retained only while it is needed to provide reporting, and is deleted on request or when the engagement ends. Full detail is set out in our privacy policy.