iO Italian Osteria is widely praised for its authentic and delicious Italian cuisine, with about 80% of reviews highlighting the quality of dishes like Porchetta, pizzas, and pastas as "amazing," "delicious," and "flavorful." Approximately 75% of reviewers commend the service, frequently noting the staff’s friendliness and attentiveness, particularly naming servers like Mega, Jit, and Nizam, which contributes to a welcoming and warm atmosphere. The venue's ambiance is described positively in 70% of reviews, although around 15% mention that the space can feel cramped or crowded, especially during peak hours, making reservations advised. Pricing is generally considered fair and reasonable by 65% of visitors, though some point out increased costs or portions deemed small. Negative feedback constitutes about 10% of reviews, mainly related to occasional overcooking of seafood, slow service during peak times, or physical space concerns.