No nextSIM eSIM for Monaco provides truly unlimited data. The plans that contain “Unlimited” in their name only include fixed data allowances; for example, the “eSIM Monaco Unlimited 1Days Standard” offers 1GB of high‑speed data with speed reduced to 512kbps after the cap, and the “eSIM Monaco Unlimited Plus 1Days Standard” gives 2GB with speed reduced to 2000kbps after the limit.
A practical alternative is to choose a fixed data plan such as the “eSIM Pro Europe Zone 4, 42 Tari 50GB” bundle, which delivers 50GB of high‑speed data for 30, 60, 90, 120, or 180 days in Monaco and surrounding countries. These fixed plans are not limited to a short life span, and the allowance is available for the entire validity period.