Yes. eSIMAdvice currently lists 17 Redsim Angola plans.
The cheapest Redsim Angola plan is Angola · 1 GB · 1 day · 4G, at $13.10.
Angola · 10 GB · 1 day · 4G has the lowest price per GB right now: $9.43/GB ($94.35 in total).
No coupon is applied to these prices right now.