SeferESIM does not provide a truly unlimited data eSIM for Austria. The provider’s plans labeled “Unlimited” actually allow 1GB of high‑speed data per day; after that daily limit the speed is throttled to 1000kbps (1Mbps). Because the data cap is a hard limit, the plans are not unlimited in the sense of offering unlimited high‑speed data.
Travelers who need significant data for Austria can instead choose from the fixed‑data options in the catalogue. Examples include a 100GB bundle valid for 180 days, a 50GB bundle valid for 180 days, and a 50GB bundle valid for 31 days. These plans offer large data allowances over a set period and are generally more cost‑effective for typical users unless one expects to consume an extreme amount of data daily.