Yes. eSIMAdvice currently lists 15 Stellar eSIM Nauru plans.
The cheapest Stellar eSIM Nauru plan is Nauru · 1 GB · 30 days · 5G · + Free VPN, at $2.04.
Nauru · 10 GB · 1 day · 5G · + Free VPN has the lowest price per GB right now: $1.96/GB ($19.57 in total).
Yes. The prices shown already include the ESIMTWEAKS coupon where it applies.