Forno

Forno sits in the middle of Vienna's walk-in pizza tier, offering similar wood-fired execution to La Spiga but with tighter seating and a shorter wine list. La Spiga pulls ahead slightly on elbow room and acoustic comfort, making it the better pick for groups or extended meals. Leitenbauer Delikatessen operates in the same no-booking mode but skews toward prepared foods and grab-and-go rather than sit-down service, choose Leitenbauer if you want speed over atmosphere, Forno if you're committing to a full meal.

For diners who value a deeper wine program alongside their pizza, neither Forno nor its immediate peers will satisfy, the lists at all three stay functional and short. If wine selection drives your decision, step up to a reservation-required venue or pivot to Petit Maroc or Taberna de la Mancha, both of which offer more curated bottles and quieter dining rooms at a similar price point. Nguyen's Pho House rounds out the neighbourhood's casual options, though it serves a different format entirely, book there if you're after Vietnamese rather than wood-oven fare.

Booking difficulty across this is uniformly easy: all operate on walk-in terms, weekend waits rarely exceed 30 minutes even during peak service. Forno's Sunday closure narrows its availability window slightly, giving La Spiga and Leitenbauer an edge for seven-day dining flexibility. Value for money remains consistent across the group, expect similar outlays for comparable quality, with the main differentiators being space, noise level, whether you need a table immediately or can afford to queue.