Yes. eSIMAdvice currently lists 31 SimFuse Mongolia plans.
The lowest displayed SimFuse Mongolia plan is Global · 192 countries · 290 MB · 3 days · 5G, at $3.00.
Global · 118 countries · 80 GB · 365 days · 4G · Package is the current best-value match by displayed price per GB: $2.12/GB ($169.91 in total).
Current prices are shown without an additional listed discount.