Yes. eSIMAdvice currently lists 33 VoyaSIM El Salvador plans.
The lowest displayed VoyaSIM El Salvador plan is El Salvador · 100 MB · 7 days · 4G, at $1.26.
El Salvador · 3 GB · 15 days · 4G is the current best-value match by displayed price per GB: $3.99/GB ($11.97 in total).
Yes. Eligible displayed prices already include the active ESIMADVICE10 coupon where the provider rule applies.