Sistrix

SISTRIX is a Bonn-headquartered SEO toolbox developed by SISTRIX GmbH with around 40 employees. The toolbox combines a Visibility Index for tracking the visibility of any website over time, on-page analysis, an Optimizer module for keyword tracking across many languages and countries, competitive and opportunity analysis with historical data, a Links module for backlink audits and an Ads module covering Google Shopping, Ads and banners. Pricing starts at €19/month plus VAT for freelancers and startups, with Start (€119), Plus (€239) and Professional (€419) tiers for larger users.