Comparison

alerte vs Harbor Safe Navigation & GPS

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

alerte

Features
Read full description

Alerte Chiens helps dog owners enjoy more peaceful walks while respecting everyone's needs. Every dog is different: some enjoy meeting others, while others need more distance, a calmer environment, or simply a little more time. With Alerte Chiens, you can view recent reports nearby, report an off-leash dog or a dog seen alone, and share useful information during your walks. The goal is simple: to help everyone anticipate encounters and adapt their walk to their dog and their surroundings. View recent reports nearby Report an off-leash dog or a dog seen alone Share your situation during your walk Help other dog walkers anticipate encounters For more peaceful walks, where everyone's needs can be understood and respected.

About

Harbor Safe Navigation & GPS

Features
Read full description

Harbor Safe Navigation is your complete boating companion for preparing, navigating and tracking your trips on the water. Designed for boaters, sailors, anglers, jet ski riders and coastal cruising, Harbor Safe combines marine GPS, nautical charts, marine weather, live location sharing, Apple Watch navigation and a digital boating logbook in one simple and highly readable app. Prepare before leaving the dock with everything you need in one place: β€’ Choose your boat and destination β€’ Add people on board β€’ Set your expected return time β€’ Complete a trip specific safety checklist β€’ Check weather and sea conditions β€’ Review departure conditions before heading out When conditions require extra attention, Harbor Safe explains why, including wind, gusts, waves, weather or a return planned after sunset. Get a clearer picture of the conditions before you leave. MARINE GPS NAVIGATION Turn your iPhone into a clear and responsive marine cockpit. Follow your: β€’ Real time GPS position β€’ Speed in knots β€’ Course and heading β€’ Distance traveled β€’ Trip duration β€’ Destination β€’ Direct distance remaining β€’ Complete GPS track The navigation view follows your boat and keeps essential information visible at a glance, with an interface designed to remain readable while you are on the water. Choose between standard and satellite maps while keeping marine information visible. Harbor Safe integrates OpenSeaMap nautical data to display navigation aids, buoys, beacons and other useful marine information directly on your map. Keep essential navigation information on your wrist. View your speed, course, distance, duration, destination and remaining distance. Use the mini map to follow your navigation and save important positions directly from your Apple Watch. Keep an eye on your active navigation without constantly reopening Harbor Safe. Essential trip information can remain accessible from your Lock Screen and Dynamic Island while your trip is active. SMART REMINDERS Harbor Safe can notify you when your trip has remained active for an extended period, when your expected return time is approaching or when sunset is getting close. Keep your favorite ports, marinas, anchorages, fishing spots and other useful locations easily accessible. Save your current position while navigating to remember an anchorage, fishing spot or useful location and find it again later. MANAGE YOUR BOATS Keep your boats together in Harbor Safe with the information you need before each trip. Select your boat when preparing a navigation and build a complete history of your time on the water. YOUR DIGITAL BOATING LOGBOOK Every completed trip can be saved to your navigation history. Review your GPS track, distance, duration, maximum speed, saved positions and navigation statistics. Interactive graphs let you explore your trip data in greater detail and keep a clear record of previous trips. Harbor Safe adapts to coastal cruising, fishing, anchoring, water sports, jet ski trips and everyday boating. Quick Trip also lets you start tracking in seconds when you simply want to get on the water without completing the full preparation process. From preparation to navigation and your return, Harbor Safe brings your essential boating tools together in a fast, modern and easy to read experience. Plan your trip. Check the conditions. Navigate with marine GPS. Share your position. Keep your memories and navigation history. IMPORTANT Harbor Safe Navigation is a navigation, preparation and trip tracking aid. It does not replace official nautical charts, required safety equipment, official marine weather information, VHF communications, emergency services or good seamanship. Support & Legal https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ https://coastsafe-lemon.vercel.app/privacy https://coastsafe-lemon.vercel.app/terms https://coastsafe-lemon.vercel.app/support

Screenshots

alerte4 screens
Harbor Safe Navigation & GPS4 screens

Verdict

The call

The clearest difference is in-app purchases: alerte at none against Harbor Safe Navigation & GPS's 2. alerte also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Harbor Safe Navigation & GPS sells 2 in-app purchases, starting at $3.99 per 7 days. alerte asks for nothing beyond the download.

UpkeepUpdate frequency

alerte ships an update every 4 days, Harbor Safe Navigation & GPS every 3 days. Both last shipped on October 31, 2026.

Scorecard2 real differences Β· 4 level
alerte versus Harbor Safe Navigation & GPS: the parameters behind the verdict, then further details
ParameteralerteHarbor Safe Navigation & GPS
PriceFreeFree
Update frequencyEvery 4 daysEvery 3 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size43 MB7 MB
Age rating4+4+
DeveloperLUA VICTORIA VALLE MARCOSNicolas Renard

In-app purchases

None

alerte

No in-app purchases

2 purchases

Harbor Safe Navigation & GPS

Subscriptions2
  • Weekly Subscription$3.997 Days
  • Annual Subscription$89.991 Year

Questions

Is alerte free?
alerte is free to download, with no in-app purchases.
Is Harbor Safe Navigation & GPS free?
Harbor Safe Navigation & GPS is free to download, with in-app purchases available.
Do alerte or Harbor Safe Navigation & GPS have ads?
Neither alerte nor Harbor Safe Navigation & GPS shows ads.
Which is updated more often, alerte or Harbor Safe Navigation & GPS?
alerte ships an update every 4 days, and Harbor Safe Navigation & GPS every 3 days. Most recently, alerte was updated on October 31, 2026 and Harbor Safe Navigation & GPS on October 31, 2026.

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