Piri Reis Marine Navigation
Nautical charts & boat GPS
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
NEW: Anchor drag alarm, offline charts for every sea on Earth, worldwide depth shading and 48-hour storm warnings. Try Premium free for 7 days.
Piri Reis Marine Navigation turns your iPhone into a chartplotter for every sea on Earth - with its richest detail in the Mediterranean.
See where your boat is on a live map, follow your heading and speed in knots, measure the distance to any point on the water, plan a route, record your track - and let the anchor watch guard your boat while you sleep.
FREE
- Live GPS position, speed in knots, heading and accuracy
- Route planning with distance in nautical miles
- Distance measurement to any point
- Favourite waypoints, stored on your device
- Navigation recording with GPX file export (Garmin, OpenCPN, Google Earth)
- Storm warnings: automatic 48-hour gale check for your favourite spots and current position
- SOS: send your exact position to your emergency contacts over WhatsApp or SMS, or share it with one tap
- Wind speed, direction and Beaufort scale
- Day and night map themes
- 13 languages spoken around the Mediterranean
PIRI REIS PREMIUM
- Anchor Watch: drop a virtual anchor, set a safe radius - if your boat drifts, a loud alarm sounds, even with the screen off
- Offline charts: download the areas you sail, or the Sea Chart Pack - all world seas with depth shading plus the entire Mediterranean in detail
- Depth map: worldwide depth shading (GEBCO) and detailed contour lines in European waters (EMODnet)
- Sea marks: buoys, lights and beacons from OpenSeaMap
- Rain radar
- Detailed marine weather on tap: wave height, direction and period, swell, currents, sea temperature, visibility and pressure
Safety features stay free. GPS navigation, routes, favourites, storm warnings and SOS are never behind the paywall.
COVERAGE
Base charts and sea marks cover every sea on Earth. Depth shading is worldwide (GEBCO); the most detailed depth contours and marine data are in the Mediterranean and European waters.
IMPORTANT
This app is not a substitute for official nautical charts. It must not be used as the primary means of navigation on vessels subject to IMO/SOLAS. Do not base navigation decisions on this app alone. Always carry official charts and comply with national and international regulations.
DATA SOURCES
Weather and marine data from Open-Meteo. Bathymetry from EMODnet and GEBCO. Sea marks from OpenSeaMap. Base map (c) OpenStreetMap contributors.
SUBSCRIPTION
Piri Reis Premium is an auto-renewing subscription, available monthly or yearly. The yearly plan starts with a 7-day free trial. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically for the same period unless it is cancelled at least 24 hours before the end of the current period. You can manage or cancel it any time in your account settings.
Terms of Use: https://www.kalyndatech.com/terms
Privacy Policy: https://www.kalyndatech.com/privacy/piri-reis-marine-navigation
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
NEW IN 1.1
- Anchor Watch (Premium): drop a virtual anchor and set a safe radius. If your boat drifts, a loud alarm sounds - even with the screen off.
- Offline maps (Premium): download the area you sail, or grab the Sea Chart Pack - every sea on Earth with depth shading, plus the entire Mediterranean with depth contours and sea marks.
- Storm warnings: the app checks the next 48 hours for gale-force wind at your favourite spots and current position, free for everyone.
- Depth layer is now worldwide (GEBCO), with detailed contour lines in European waters.
- Share recorded tracks as real GPX files (Garmin, OpenCPN, Google Earth).
- 7-day free trial on the yearly plan.
The developer, Serkan arslan, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Serkan arslan
- Size
- 20.6 MB
- Category
- Navigation
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
English and 12 more
- English, Albanian, Arabic, Croatian, French, German, Greek, Hebrew, Italian, Maltese, Slovenian, Spanish, Turkish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Piri Reis Premium $2.99
- Piri Reis Premium $29.99
- Copyright
- © 2026 Kalynda Teknoloji Havacilik ve Turizm Ltd. Sti.