Yes. eSIMAdvice currently lists 32 Stellar eSIM Madagascar plans.
The cheapest Stellar eSIM Madagascar plan is Madagascar · 1 GB · 30 days · 4G · + Free VPN, at $1.78.
Madagascar · 1 GB · 30 days · 4G · + Free VPN has the lowest price per GB right now: $1.78/GB ($1.78 in total).
Yes. The prices shown already include the ESIMTWEAKS coupon where it applies.