Yes. eSIMAdvice currently lists 12 Stixrs Iran plans.
The cheapest Stixrs Iran plan is Iran · 1 GB · 3 days · 5G · Fixed, at $9.90.
Iran · 3 GB · 3 days · 5G · Fixed has the lowest price per GB right now: $7.65/GB ($22.95 in total).
Yes. The prices shown already include the AFFINCO coupon where it applies.