Simmy Coupons & Promo Codes – October 2026

Simmy sells travel eSIM data plans for more than 190 countries. Plans start at $1.99 for 1 GB lasting 7 days, with larger options such as 5 GB or 10 GB for 30 days. You install the plan in the app and it activates when you arrive. Unused data can be refunded within 30 days. Your regular phone number stays active. The service is data only. Support and top-ups are handled in the app. Nothing physical is shipped.