hopIQ found 10 beers with the same malty and wheat character as Zwettler Zwickl. Zwettler's naturally unfiltered Zwickl — the Waldviertel craft expression with gentle haze, fuller malt body, and soft yeast character. Popular at outdoor festivals and Heurigen throughout the Waldviertel and Vienna regions. Ranked by flavour match rather than popularity.
Closest match: Störtebeker Keller-Bier 1402 — 78%. No twin in the catalogue yet.
4 countriesmatched across 56 flavour tagsbest match 78%

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.