ÖKO-TEST has a dedicated app (available on iOS and Android) where you can read issues offline.
You can purchase the current issue or back issues as an "E-Paper." Download okotest Magazin pdf
Unofficial download sites are often hotspots for malware. ÖKO-TEST has a dedicated app (available on iOS
Once purchased, you typically receive a download link for a high-quality PDF. Download okotest Magazin pdf