Keepgo

Keepgo perfected an unusual offering, letting you buy prepaid data that never expires. Activate and use your data whenever you want across 150+ countries including the UK, whether that's tomorrow or six months from now. Available as both eSIM and physical SIM, these lifetime plans remove the pressure of racing to finish before expiration.

No expiration date appeals to frequent but unpredictable travelers who don't use their phone credit on a predictable schedule. The freedom to activate on your own timeline is rare in the eSIM space. Keepgo works best if you value flexibility over immediate activation or discounted pricing.