What is included, what costs extra, and what languages you can actually get
The Doge's Palace audio guide and languages
The palace has very little on-wall interpretation, which makes the question of an audio guide more important here than at most museums. This covers what your ticket does and does not include, the languages available, and the free alternatives worth knowing about.
Book your Doge's Palace entry ↗Is the audio guide free?
No. The standard admission ticket does not include an audio guide at the Doge's Palace — it is a separate paid rental, hired at the desk inside once you have entered. This catches a lot of visitors out, because several other major European palaces bundle one in. Budget for it separately or plan to do without.
Is it worth paying for?
More than at most museums, yes. The palace has notably sparse labelling — many rooms have a single small panel and the ceilings, which are the main event, carry nothing at all. Without either an audio guide, a guidebook or some advance reading, a lot of visitors walk through the state rooms admiring the gilding without any idea what the pictures are arguing. If you are going to spend two hours and the price of the ticket, the audio guide is a reasonable further investment.
What languages the audio guide covers
The rental covers the major European languages — Italian, English, French, German and Spanish — with several more usually available including Russian, Japanese, Chinese and Korean. The exact roster changes, so if you need a less common language it is worth confirming at the desk rather than assuming.
Signage and panels in the palace
Room panels are generally in Italian and English. Other languages are not reliably provided on the walls, which is precisely why the audio guide matters if you read neither.
Free alternatives
The museum publishes a free downloadable map and room-by-room notes through its own website, which is enough to orient yourself if you read it before you go in. There are also reputable free audio walking-tour apps that cover the palace. Download anything you intend to use before you arrive: mobile signal inside the thicker parts of the building is unreliable, and Venice's public wifi is not something to depend on.
Guided tours
The palace runs its own guided tours, and the Secret Itineraries tour in particular is a genuinely different product rather than a guided version of the same route — it takes you into the administrative back rooms, the torture chamber and the Piombi cells under the roof. It is booked separately and sells out well ahead in season.
Bring headphones
A small practical point that improves the visit more than it should. If you are using a phone-based guide, bring your own earphones; the state rooms are echoing stone chambers full of people and a phone speaker is useless in them.