Venice lagoon chart vs DeQua
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Venice lagoon chart
Navigate the Venice Lagoon with detailed charts, real-time tide data, and historical information. Essential for sailors and visitors, it provides canal speeds, water-bus schedules, and island guides.
- Detailed lagoon cartography
- Real-time tide and environmental data
- Canal speed limits and speedometer
- Water-bus stops and timetables
- Island-by-island historical information
- Marinas, harbors, and gas stations
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The first lagoon chart available as an App, produced by Mare di Carta publisher building on the experience of the printed "Carta della laguna di Venezia" at 1:25,000 scale, drawn from the official data of the Interregional Authority for Public Works of Veneto, Trentino Alto Adige and Friuli Venezia Giulia, which for over 500 years — once known as the Magistrato alle Acque and today as the Venice Lagoon Authority — has overseen the lagoon's waters. Featuring marinas, harbours, fuel stations, slipways and other information useful for navigation, the app includes a nautical navigator that calculates routes along the navigable channels taking into account your type of vessel and draught, and offers a handy speedometer for boaters showing in real time the maximum permitted speed in the channel you are sailing and the channel's name. The app gives a visual warning when the speed limit is exceeded. For those travelling by public transport, the app displays the ACTV vaporetto stops on the map. For everyone, historical information — island by island — and environmental insights are available for a better visit and understanding of today's lagoon, including the changes brought about by the safeguarding works. Real-time data on tides, temperature and other environmental information can also be consulted. "Carta della laguna" is therefore an indispensable tool for getting to know the lagoon: a guide for the visitor, but also a wealth of practical information for those who already know the lagoon well and appreciate finding so many layered details in a single app.
DeQua
Find precise addresses and navigate by foot, public transport, or even by boat. Offers specialized routes to avoid high water and minimize bridge crossings. Prioritizes user privacy with open-source backend and internal data services.
- Precise address search
- Multi-modal navigation (foot, public transport, boat)
- Water level avoidance routing
- Bridge minimization routing
- Privacy-focused design
- Open-source backend
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Su DeQua puoi cercare indirizzi e poi geolocalizzati in maniera precisa e accurata. Puoi inoltre calcolare i percorsi a piedi, con i mezzi pubblici, ma anche in barca a remi o motore. Puoi anche cercare percorsi evitando l'acqua alta e percorsi accessibili con il minimo numero di ponti possibile. DeQua è sviluppato nel rispetto della privacy: il backend dell'app è open-source, e i dati degli utenti non sono tracciati se non per funzionalità analitiche di base, comunque rispettose della privacy degli utenti. Le mappe e tutti i servizi sono internalizzati per evitare che enti esterni possano accedere ai dati degli utenti.
Screenshots
Verdict
The clearest difference is monetization model: DeQua at free against Venice lagoon chart's paid. DeQua also leads on iOS requirement (12.0 vs 26.2). Venice lagoon chart's advantage is update cadence (monthly vs every 18 months). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Venice lagoon chart ships an update monthly, DeQua every 18 months. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.
| Parameter | Venice lagoon chart | DeQua |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.2 | 12.0 — better |
| Further details — not scored | ||
| Size | 396 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Mare di Carta | Marco Ziliotto |
Customer experience
Venice lagoon chart
DeQua
In-app purchases
Venice lagoon chart
No in-app purchases
DeQua
No in-app purchases








