hopIQ found 10 beers with the same clean and dry character as St. Georgen Keller. Buttenheim's legendary Kellerbier — naturally carbonated and unfiltered with a fresh, complex character. Soft grain, subtle yeast and a clean dry finish. St. Georgen Keller is the Kellerbier pilgrimage destination: drink it in the Buttenheim village keller, under the linden trees, as they have for 400 years. Ranked by flavour match rather than popularity.
Closest match: Krombacher Brautradition Kellerbier — 86%. No twin in the catalogue yet.
2 countriesmatched across 56 flavour tagsbest match 86%

No beer in the catalogue yet — these come closest.
Close on what matters, with one thing they do differently.
Same idea, less detail — open a beer to see the full comparison.