| AI Tour GuideCastle to river, 17 stopsTop pick | 4.9/5 | Any time you like | None: the map leads you to stop 1, Strahov Monastery, or any stop you choose | 1 h 53 min of walking, about 4 h with short looks | 13 languages | No group | Not needed, opens in the browser | €0 for route and map; €19.99 for the guide on the whole tour |
| 100 Spires City ToursOld Town, Jewish Quarter & Charles Bridge | 9.7/105,016 reviews on freetour.com | Daily 10:00, 11:15, 15:00; also 17:00 June to September | Powder Gate, Republic Square (red umbrella with a white 100) | 2 h 45 min incl. coffee break | English | Up to 30 per guide | Required, free | Tip, no suggested amount |
| Free Walking Tour PragueOld Town & Josefov | 9.6/102,571 reviews, listed on freethingstodoinprague.com | Runs most days; 10:30 and 14:00 on the dates shown for mid-November | Powder Gate, Republic Square (big green umbrella) | 2 h 30 min | English; Spanish as a separate tour | Free tours meant for parties of up to 6 | Required, free | Tip, suggests 250 to 750 CZK (€10 to €30) |
| SANDEMANsThe Original Free Tour of Prague | 9.2/1028,137 reviews on freetour.com | English daily 10:00 | Old Town Square, corner of Pařížská, opposite St. Nicholas Church (red T-shirts and umbrellas) | 2 to 3 h | English, Spanish | Meant for individual travellers, not groups | Optional, or just turn up | Tip, no suggested amount |
| Verneus ToursOld Town & Jewish Quarter + Astronomical Clock | 4.84/52,768 reviews on GuruWalk | 10:00, 11:00 and later slots in the calendar | In front of the Rudolfinum, náměstí Jana Palacha (white and light-blue umbrellas) | 2 h 30 min | English, Spanish | Bookings of up to 20; runs from 4 to 5 guests | Via GuruWalk, free | Tip, GuruWalk suggests €15 to €50 |
| Prague Pulse ToursIconic Free Tour of Prague | 4.85/52,404 reviews on GuruWalk | 10:30 plus later slots (platforms differ) | In your booking confirmation | 2 h 30 min | English | –not listed here | Via GuruWalk or freetour.com | Tip |
| I Love PraagComplete Prague Free Tour | 9.1/101,267 reviews on freetour.com | 10:30 and 12:00, plus later slots | Malostranská metro station (white umbrella) | 3 h | English | –not listed here | Via freetour.com | Tip |
| PragatourOld Town and Jewish Quarter | –not listed here | Daily 10:30; castle tour daily 14:30 | Wenceslas Square 19, by the Sephora corner (purple umbrella) | 2 h 30 min | English | 20 places per departure | Strongly recommended, free | Tip, most people give €10 to €20 |
| FreeTourPragaOld Town, New Town and Jewish Quarter | 5/5715 Tripadvisor reviews, as shown on its own site | Daily 10:30 | Wenceslas Square 832/19 (pink flag) | 2 h 30 min incl. break | English | –not listed here | Recommended, free | Tip, as you see fit |