Yes. eSIMAdvice currently lists 30 Redsim Gabon plans.
The cheapest Redsim Gabon plan is Gabon · 1 GB · 1 day · 4G, at $5.04.
Gabon · 30 GB · 10 days · 4G · 3 GB/day then 1 Mbps has the lowest price per GB right now: $1.89/GB ($56.84 in total).
No coupon is applied to these prices right now.