Yes. eSIMAdvice currently lists 15 Redsim Madagascar plans.
The cheapest Redsim Madagascar plan is Madagascar · 1 GB · 7 days · 4G, at $5.69.
Madagascar · 30 GB · 10 days · 4G · 3 GB/day then 1 Mbps has the lowest price per GB right now: $2.06/GB ($61.88 in total).
No coupon is applied to these prices right now.