Semrush vs SISTRIX

Semrush

The audit module list runs from crawlability and indexability through Core Web Vitals with Google's published good and poor cutoffs at the 75th percentile, structured data, canonicals, mobile parity and rendering, and internal linking, with a prioritized fix list and multi-million-page crawling documented for Enterprise. We found no public information on log-file analysis, crawl-budget analysis, or regression detection between crawls, so I stop short of the top of the range.

SISTRIX

The crawler runs on a schedule with tiered monthly URL limits, JavaScript rendering described as based on the same technology as the official Googlebot, and issue categories — broken links, duplicate content, missing structured data — sorted by importance with change counts between crawls. Core Web Vitals are measured from both lab and field data, with daily Lighthouse measurements stored permanently and downloadable as raw JSON. We found no public information on log-file analysis, indexation or canonical diagnosis, or prioritisation by traffic impact, so the audit reads as a well-sorted list rather than a diagnosis of what Google actually fetched.

Semrush

Volume, difficulty, CPC, rich SERP-feature detail across a database of over 26 billion keywords, monthly snapshots documented back to 2012-01, and cannibalization analysis named in plan limits put this above mid-range. We found no public information on topic clustering, content briefs with entity coverage, or intent classification, and nothing in the captures speaks to the depth of German-language data specifically.

SISTRIX

Keyword data is positioned as the largest database for the German and European market, with volume, CPC and competition metrics, an intent classification whose SERP-based scoring method is published, automatic topic clustering, and URL-level competitor keyword analysis. SERP feature counts and tiered content-project and planner quotas exist alongside AI topic-research API endpoints. We found no public information on content briefs with entity coverage, cannibalisation detection, or content scored against what currently ranks.

Semrush

They publish their own numbers — 26.4B keywords, 43T backlinks, 808M domain profiles, 142 geo databases — with daily updates, city-level and desktop/mobile granularity, and honest methodology notes like the average-position cap at 21 and unpersonalized results. We found no public information on a backlink refresh cadence, lost-and-found link detection, or ranking history retained and exportable in full for the life of the account.

SISTRIX

The update methodology is documented on public FAQ pages — important keywords daily, notable-volume keywords weekly, long-tail at least monthly, with keywords moving between cycles as search demand shifts — and tracking covers over 200 country and language combinations, city-level queries, a desktop/mobile split, and a full 11-year history on the top two tiers. The link side is thin: we found no public information on backlink index size or refresh cadence, or lost-and-found link detection; the captured link metrics are counts of linking domains, hosts and networks.

Semrush

This is the good stuff: per-endpoint credit costs published — 20 API units per request, some endpoints flagged as consuming no units, Map Rank Tracker credits priced as points times keywords — with a checkable unit balance, versioned v3 and v4 APIs with v3 deprecation announced, white-label Pro Report with client share links, and Google Analytics and Search Console integrations. Two things hold it back: we found no public information on data-warehouse or BigQuery export, and the terms restrict API use to internal business purposes with external-user tools routed to sales.

SISTRIX

The API is documented at api.sistrix.com with key authentication, JSON and XML responses, a sandbox, a fair-use policy, and a credit model where the cost is typically based on the number of data points retrieved, metered through tiered weekly credits; client examples exist for PHP, Python, NodeJS and cURL, plus Excel, Google Sheets, a free Data Studio connector and an MCP server. The credit cost is stated as typical rather than published per endpoint, and we found no public information on data-warehouse or BigQuery export or white-label client reporting.

Semrush

The terms give thirty days after suspension notice to back up data, a stated minimum of thirty days before post-termination erasure, and an API that returns json and csv — but exit support in the captured pages ends there.

SISTRIX

Exports run through CSV with a stated encoding and delimiter, Excel, Google Sheets and an API for machine-readable export, with the full 11-year history on the top tiers and stored Lighthouse data downloadable as JSON — but every export and API query consumes weekly credits, and an extra 10,000 credits per week is billed at 75,00 € monthly. We found no public information on a retention period or grace window after cancellation, so whether multi-year history remains retrievable once the subscription ends is not stated anywhere we could see.

Semrush

The contracting entity is Semrush Inc., a Delaware corporation in Boston, the privacy policy documents transfers to the United States under Standard Contractual Clauses, and we found no public information on EU hosting or a subprocessor list for the service itself — the named processors cover the vendor's own storefront and analytics. A Prague entity appears as joint controller, which keeps this a point above the floor.

SISTRIX

The captured pages name SISTRIX GmbH as the contracting company and the homepage states data is kept in 'Europa', but that residency claim is marketing copy naming no infrastructure provider. We found no public information confirming the entity's jurisdiction on the vendor's own captured pages, no subprocessor list, and no published DPA or certification covering the crawl and analytics data the tool ingests.

Semrush

The pricing pages state per-plan keyword and website limits, additional users starting at €43/mo, report addons at €9.59/mo and €19.18/mo, taxes exclusive, and a per-request API cost of 20 units — enough to price most of an invoice. The captured pricing pages give plan limits without a headline subscription price, and we found no public information on per-tier crawl limits or overage rates, so the full annual cost is not computable from public pages alone.

SISTRIX

All four tiers are priced publicly with VAT treatment stated as plus VAT, monthly cancellation, included and additional user seats at 24,90 €, monthly crawl limits with per-1,000-page overages quoted at 0,21 €, 0,16 € and 0,14 € by tier, weekly export and API credits with a 10,000-credit top-up at 75,00 €, plus per-tier quotas for SERP updates, projects, content and reports. An annual invoice is largely computable from the public pages; the remaining opacity is that API credit costs are described only as typically based on the number of data points retrieved rather than priced per function, and add-on prices are shown from the Plus package upward.