QVtoGO vs Langdon
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QVtoGO
Explore cities and attractions through interactive audio guides and virtual tours. Choose from city walks, at-home experiences, live commentary, or cruise ship audio guides for an engaging travel experience.
- QR code scanning for city walks
- GPS-triggered audio commentaries
- Virtual tours from home
- Live tour guide commentary
- Cruise ship audio guides
- In-app purchases for virtual tours
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QVtoGO is an app to guide and entertain tourists with four different modes of operation. All you need to do is scan the appropriate QR code you were provided with or purchase one of our “QVtoGO @home” virtual walks as in-app purchase and enjoy the tours from home. What are the four modes of this app? • QVtoGO city walk. Purchase your QVtoGO printed map at a reselling point, or online at www.qvtogo.com. Use the app for scanning the QR code on the map and put your phone away. Our illustrated route on the map takes you to the fascinating points of interest while the GPS-triggered commentaries – just like professional guides- relate the most engaging facts and anecdotes relating to the city attractions highlighted on the map. • QVtoGO @home. These virtual tours are designed to recreate the experience of a real city walk – from the comfort of your own home. Purchase one of our tours as an in-app purchase and enjoy videos and fascinating commentaries on top city sights – without even having to leave the house! • QVtoGO Live. This solution enables your smartphone to receive your professional tour guide’s live commentary with no time delay! • QVtoGO on your cruise. Traveling by ship doesn’t mean you can’t access informative and entertaining commentaries! We provide our services to numerous cruise companies, so don’t forget to ask your cruise manager if QVtoGO audio commentaries are available, for example, on your European river cruise.
Langdon
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Langdon – Scan & Discover Museum Artifacts Instantly Langdon is your intelligent museum companion. Simply scan any artifacts or tap a number, and unlock rich, audio-guided stories – instantly. No more searching, no more guesswork. Langdon brings history and culture to life right in your pocket. Key Features: 1. Scan to Learn – Point your camera at an artifact or artwork and get instant access to detailed descriptions and audio guides. 2. Audio Insights – Enjoy rich, expert-narrated stories that go beyond the wall labels. 3. Tap Numbers to Explore – Prefer classic signage? Just tap the exhibit number in the app to dive into content. Whether you're a casual visitor or a lifelong learner, Langdon makes every museum visit smarter, easier, and more engaging. Download Langdon today and let the artifacts speak!
Screenshots
Verdict
The clearest difference is in-app purchases: Langdon at none against QVtoGO's 5. Langdon also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. QVtoGO sells 5 one-off in-app purchases. Langdon asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.
| Parameter | QVtoGO | Langdon |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (7 ratings) — better | — |
| Positive reviews | 41.7% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 36 MB | 50 MB |
| Age rating | 4+ | 12+ |
| Developer | Quietvox AG | HARUN ZENGIN |
In-app purchases
QVtoGO
- QVtoGO@home Funchal - English$1.99
- QVtoGO@home Budapest - English$1.99
- QVtoGO@home Palma - English$1.99
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- QVtoGO@Home Vienna - English$1.99
- QVtoGO@home Vienna Music - EN$1.99
Langdon
No in-app purchases









