SH
Sophie Hartmann
Personal Finance & Productivity Writer
Sophie Hartmann is a personal finance and productivity writer based in Europe, specialising in subscription management, SaaS spending and the subscription economy. She writes for SubscriptionTracker.eu with a focus on helping European consumers understand and control their recurring payment obligations.
Her work covers subscription tracker app reviews, comparative analysis of tracking tools, and research into European subscription spending trends. She tests every app she reviews across multiple platforms before forming a verdict.
Expertise
Subscription TrackingPersonal FinanceSaaSEuropean Consumer RightsGDPR & PrivacyApp Reviews
Guides by Sophie Hartmann
→How to Track Your Subscriptions (Complete Guide 2026)→How to Audit Your Subscriptions in 2026 — Step by Step→Best Free Subscription Tracker Options in 2026→How to Track Family Subscriptions (2026 Guide)→Business Subscription Management — SaaS Spending Guide (2026)→Annual vs Monthly Subscription — Which Should You Choose? (2026)
Articles by Sophie Hartmann
→Subscription Spending Report 2026 — How Much Are Europeans Really Paying?→What Is Subscription Creep? (And How to Stop It)→The Real Cost of the Streaming Wars in 2026→Is a Password Manager Subscription Worth It in 2026?→Is a VPN Subscription Worth It in 2026? Honest Assessment→How Many Subscriptions Does the Average Person Have in 2026?