Yes, Earth Esim offers unlimited data eSIM plans for Tunisia. The provider lists several unlimited options with validity periods ranging from 1 day to 25 days, with prices from $3.49 to $56.49. All unlimited plans use 5G, allow tethering, and have a maximum speed of 1000 kbps, with the possibility of speed throttling after heavy usage.
If you are concerned about potential speed restrictions, you can contact Earth Esim to confirm whether a Fair Usage Policy applies and to learn the typical amount of data that can be used at normal speed.