Yes. eSIMAdvice currently lists 4 Nomado eSIM Nauru plans.
The cheapest Nomado eSIM Nauru plan is Nauru · 1 GB · 7 days · 4G, at $31.49.
Nauru · 5 GB · 30 days · 4G has the lowest price per GB right now: $28.26/GB ($141.29 in total).
Yes. The prices shown already include the ESIMADVICE coupon where it applies.