Yes. eSIMAdvice currently lists 28 Redsim Guinea-Bissau plans.
The cheapest Redsim Guinea-Bissau plan is Guinea-Bissau · 1 GB · 1 day · 4G, at $5.42.
Global · 193 countries · 20 GB · 30 days · 5G has the lowest price per GB right now: $2.70/GB ($53.99 in total).
No coupon is applied to these prices right now.