ZenSim eSIM Data Plans for Montenegro

ZenSim does not offer a truly unlimited eSIM plan for Montenegro. The plans that include “Unlimited” in their names, such as Montenegro Unlimited STANDARD, actually allow only 3 GB of high‑speed data each day. After that daily quota is reached, the connection speed is reduced, so it is not an unlimited data offering.

Instead ZenSim provides fixed‑data options that may suit most travelers. For example, a 20 GB eSIM is available for 10 days at $29.00 USD and for 30 days at $30.00 USD, while a 10 GB plan costs $21.00 USD for 10 days. These plans give a larger total data allowance and can be more economical for users who need a substantial amount of data without the limitations of the “Unlimited” name.

ZenSim does not provide any eSIM plan for Montenegro that includes a phone number or SMS capability. Their offerings in the country are limited to data‑only eSIMs. Travelers who need messaging or call functionality can use internet‑based services such as WhatsApp, Telegram or iMessage over the data connection.

ZenSim offers a total of 15 data plans that cover Montenegro. Nine of these are single‑country plans exclusive to Montenegro, while six are multi‑country plans that include Montenegro along with other destinations. Across all plans, prices range from around US $17 to US $106, and data caps vary between 3 GB and 40 GB, with validity periods from 10 to 30 days. Some plans provide a fixed data amount for the entire validity, whereas others impose a daily data cap—allowing users to spread their data usage over the plan’s duration. This combination provides flexible options for both short‑term travelers and those who need a larger data allowance.