ZenSim eSIM Data Plans for Bulgaria

ZenSim does not provide a true unlimited data eSIM for Bulgaria. All of its offers are fixed‑data plans, and the plans that use “Unlimited” in their name are actually capped at 3 GB per day; once the limit is reached the data speed is reduced.

If you need a larger data allowance, ZenSim offers fixed‑data options such as a 20 GB plan valid for 10 or 30 days and a 3 GB‑per‑day plan that lasts 10 or 30 days. These plans give a predictable cost and can be more cost‑effective unless you require truly unlimited high‑speed data.

ZenSim does not offer eSIM plans that include a local phone number or SMS capability in Bulgaria. Only data‑only eSIMs are available from this provider.
If you need to make calls or send messages while traveling in Bulgaria, you can use VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection provided by the ZenSim eSIM.

ZenSim offers 6 single‑country plans and 14 multi‑country plans for Bulgaria. The single‑country options range from about 3 GB to 20 GB of data and cost between $11.00 and $57.00, with validity periods from 10 to 30 days. The multi‑country packages are in the same data and price ranges but provide coverage across multiple destinations. Within these offerings, 2 plans use a daily data cap while 18 use a fixed data cap; several plans also allow tethering.