• AIS receivers: connect the AIS receiver on your boat over Wi-Fi and see the ships it hears on your chart. Sharing with Sirena Network is optional and off until you turn it on. • Updated TSS chart of shipping lanes and separation zones. • Fleet names never cover the chart controls or each other. • Clearer status bar on light charts and during setup, and a title on Profile. • NOAA charts now say clearly when you are outside US waters. • Chart colour and stability fixes.

• Anchor watch now tells dragging from adrift. If the anchor breaks free, the alarm says ADRIFT · ANCHOR FREE. • The anchor alarm keeps sounding until you stop it. • A speed vector shows where your boat is going, and stays compact at high speed. • Your fleet sees when you are at anchor. • On Apple Watch, the Anchor and SOS pages show how old the position is and warn when GPS is lost. • "Drop anchor" with Siri now uses only a fresh, accurate GPS fix. • Save Image on a voyage card now saves to Photos. • The offline world chart is offered on iOS 26.4 and later, where it can download. • Stability and privacy fixes.

Try every premium chart free for 7 days: the monthly plan now starts with a free week through the App Store. Cancel anytime before it ends and you pay nothing.

A smoother first voyage. • Live ships from the first second: AIS traffic appears the moment the chart opens, even before your first GPS fix. • Charts and layers, explained: a guided tour walks through every chart and overlay, with an arrow on each button. • Fleet, explained: a short tour of My Fleet, Invites, Invite and Races. • Clearer start: a new page shows how to allow your location so every feature works, and iPhone now asks only after it. • Sirena Seafarer on your Apple Watch: a new start page shows how to add the anchor alarm, the regatta start and your position to your wrist. • New Sirena Seafarer Premium screen: Lifetime, pay once and keep every premium chart for good, or choose yearly or monthly. • Bug fixes and stability improvements.

New in 4.0.2: - Your first 7 days: every chart and Premium feature free, no payment - Satellite Mapbox is smoother, drawn by the Mapbox map engine - Invite friends from Profile: a free month of Premium for every friend who subscribes - Report a problem from Profile or Help, with the details we need - Your track is saved one day at a time and the history is kept for good - The free chart is detailed about 40 km around your boat - Fixed a crash when moving between screens

Sirena Seafarer 4.0.1 is rebuilt from the ground up for iPhone and iPad, now with Apple Watch. • The waters around you are saved on your device automatically, so the chart keeps working when the signal goes. The whole world is available offline as a one-time purchase. • Apple Watch: helm, the regatta start clock with Sync, the anchor alarm on your wrist and your position for VHF. • Regatta start clock: 5-4-1-0 countdown with a Sync button for the committee signal, recall and postponement, then a race timer after the gun. • A new look made for iOS 26, scaled for iPad. • Fleet and regatta are now free for everyone. • Anchor watch is stronger: it keeps watch even if iOS closes the app overnight, and sounds if GPS is lost. • Captain: levels, achievements in Game Center, a days-on-the-water streak and seasonal challenges. • Live Activities and the Dynamic Island for your voyage, your anchor watch and the regatta countdown. • Siri and Shortcuts: "Start anchor watch", "Where am I". • Invite friends: when a friend's first paid period goes through, you get a month of Premium free. • A 7-day free trial on the monthly plan. • Privacy choices: optional anonymous diagnostics and analytics, off unless you turn them on.

Sirena Seafarer 4.0 is rebuilt from the ground up for iPhone and iPad. • A new look made for iOS 26: the chart shows through every panel. • The Sirena Seafarer chart now lives on your device: the whole world's coastline, ready offline. Lose signal at sea and the chart falls back to it at once. • Fleet and regatta are now free for everyone. • Regatta start timer: countdown, distance to the line, target speed and burn, then a race clock after the gun. • Anchor watch is stronger: it keeps watch even if iOS closes the app overnight, and sounds if GPS is lost. • Captain: levels, achievements in Game Center, a days-on-the-water streak and seasonal challenges. • Live Activities and the Dynamic Island for your voyage, your anchor watch and the regatta countdown. • Siri and Shortcuts: "Start anchor watch", "Where am I". • Invite friends: when a friend's first paid period goes through, you get a month of Premium free. • A 7-day free trial on the monthly plan. • Privacy choices: optional anonymous diagnostics and analytics, off unless you turn them on.