Comparison

Boat Watch Pro vs A

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

Head to head
About

Boat Watch Pro

Identify and track ships in real-time on a map. Receive alerts for arrivals and departures, and use augmented reality to instantly identify vessels. Explore marine charts and share vessel information.

Highlights
  • Real-time AIS ship spotting
  • Augmented Reality vessel identification
  • Arrival and departure alerts
  • Vessel details (name, type, photo, origin, destination)
  • Favorites and auto-follow
  • OpenSeaMap and NOAA charts
Features
Currently charting
Read full description

Ever wanted to know more about the boats and ships you see? Boat Watch Pro lets you spot boats and ships and follow them on a real-time map wherever you are... If you are interested in a particular vessel, Boat Watch Pro can send you alerts when a boat you track sets sail or arrives - perfect for people with loved ones at sea, for tracking ferries and rescue vessels - or following cargo across the world! If you're in port or at the marine, point your camera at a boat and Boat Watch Pro's amazing augmented reality mode will instantly tell you what it is and where its headed! Boat Watch Pro offers... * Spot any Boat or Ship via real-time AIS * See the Name, Type, Photo, Origin, Destination and past track of vessels * Set multiple boats as favorites, and automatically find and follow one of them on map * Get alerts on your phone and watch when a selected boat arrives and departs * Search and find boats and places * Easily identify vessels with in-built Augmented Reality (AR) display * Includes Apple Watch app with arrival and departure alerts * OpenSeaMap charts showing buoys, lighthouses and shipping lanes *NOAA US Marine charts (IAP) *UK&IE Marine charts (IAP) * Share boats on Facebook, Twitter or by email Fleet Watch upgrade: * Fleet - set and receive arrival and departure alerts for multiple boats ( IAP subscription) Pocket Mariner are committed to providing great customer service and continually improve our Boat Watch apps. If you have any questions please email us via help@pocketmariner.com and we'll be happy to help. Terms of Use: http://seanav.net/termsofuse.php Privacy Policy: http://seanav.net/privacy.php Support: help@pocketmariner.com Subscriptions:- PortWatch (subscription):- - set a radar alarm ring around an area (0.5 to 10nm) - get notified when any ship is entering or exiting a port or area. Early alert for all ferries, cruise or cargo ships arriving at a port. - alerts when ships are passing or approaching a location. Great for folks who live by the water and want to know when a ship is approaching. You can set your gps position or the current map centre as the PortWatch location and the radar alert range from 0.5nm to 10nm. The "Fleet upgrade " subscription is yearly and will automatically renew at the end of the subscription period unless auto-renew is turned off at least 24-hours before the end of the current period. Payment will be charged to your iTunes Account at confirmation of purchase, and will be charged for renewal within 24-hours prior to the end of the current period. Subscriptions may be managed by the iTunes account holder and auto-renewal may be turned off by going to Account Settings after purchase. 
No cancellation of the current subscription is allowed during active subscription period Boat Watch Pro is a Universal app, which works on iPhone, iPod and iPad. Our ship coverage is global and amongst the best in the world. You read our our ship tracking system works and can check our coverage on a map here :- http://pocketmariner.com/coverage NOT FOR NAVIGATION Boat Watch Pro should only be used for basic navigation reference and should not be solely relied upon to determine precise locations, proximity, distance, or direction.

About

A

This electronic flight information system runs on your iPhone or iPad, providing pilots with essential flight data like artificial horizon, GPS-based speed, altitude, and more. It's designed for use in airplanes only and is not a certified aviation instrument.

Highlights
  • Artificial Horizon (AHRS)
  • GPS Ground Speed
  • GPS Altimeter
  • GPS Vertical Speed
  • Turn Coordinator
  • Slip Ball
  • Compass
Features
Currently charting
Read full description

A-EFIS is an Electronic Flight Information System for airplanes, which runs right on your iPhone/iPad. A-EFIS works perfectly with the internal sensors of your iPhone/iPad A-EFIS makes use of digital filtering methods and state-of-the-art stochastic models in order to achieve exceptional accuracy and robustness. ATTENTION: A-EFIS ONLY WORKS ON AIRPLANES. NOT TO BE USED IN HELICOPTERS OR LAND VEHICLES BECAUSE INDICATIONS WILL NOT BE CORRECT. USE ONLY IN AN AIRPLANE! Features: - Artificial Horizon (AHRS) - Ground speed (via GPS) - Altimeter (via GPS) - Vertical speed (via GPS) - Turn coordinator - Slip ball - Compass - True course indicator (via GPS) - Deviation from true track indication A-EFIS can also be used with the X-Plane flight simulator. A-EFIS has been extensively tested on ultralights, LSA, general aviation and even airliners. IMPORTANT NOTICE: A-EFIS is not a certified aviation instrument. Do not rely on A-EFIS as your only navigation aid. Failure to comply to this warning may result in property damage, serious injury or death. You assume total responsibility and risk associated with using this application.

Screenshots

Boat Watch Pro4 screens
A4 screens

Verdict

The call

The clearest difference is price: Boat Watch Pro at $7.99 against A's $54.99. Boat Watch Pro also leads on rating (4.5 vs 3.7) and review sentiment (25% vs 0%). A's advantage is in-app purchases (none vs 4). On update cadence, ads, chart position and device support 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

CostPrice · In-app purchases · Ads · Monetization

Boat Watch Pro costs $7.99 and A $54.99 up front. Boat Watch Pro sells 4 in-app purchases, starting at $0.99 per year. A asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Boat Watch Pro holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Boat Watch Pro has 91 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 25% of Boat Watch Pro's written reviews are positive against 0% of A's.

UpkeepUpdate frequency

Boat Watch Pro ships an update every 4 months, A every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 5 level
Boat Watch Pro versus A: the parameters behind the verdict, then further details
ParameterBoat Watch ProA
Price$7.99 — better$54.99
Rating4.5 (91 ratings) — better3.7 (3 ratings)
Positive reviews25.0% of reviews — better0.0% of reviews
Number of ratings91 — better3
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#173 — better#176
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size24 MB12 MB
Age rating4+4+
DeveloperPocket Mariner Ltd.Charalampos Baltzakis

Customer experience

Boat Watch Pro

All ratings90 ratings
Positive90.0%
Neutral2.2%
Negative7.8%
Written reviews28 reviews
Positive25.0%
Neutral7.1%
Negative67.9%

A

All ratings3 ratings
Positive33.3%
Neutral66.7%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

4 purchases

Boat Watch Pro

Subscriptions2
  • Home Radar$0.991 Year
  • Fleet Watch$5.491 Year
One-time2
  • NOAA US Charts$4.99
  • UK & IE Marine Charts$4.99
None

A

No in-app purchases

Questions

Is Boat Watch Pro free?
Boat Watch Pro costs $7.99, and also offers in-app purchases.
Is A free?
A costs $54.99, with no in-app purchases.
Which has better reviews, Boat Watch Pro or A?
Boat Watch Pro is rated higher. Boat Watch Pro averages 4.5 out of 5 from 91 ratings, while A averages 3.7 from 3 ratings.
Do Boat Watch Pro or A have ads?
Neither Boat Watch Pro nor A shows ads.
Which is updated more often, Boat Watch Pro or A?
Boat Watch Pro ships an update every 4 months, and A every 2 months. Most recently, Boat Watch Pro was updated on October 26, 2026 and A on October 24, 2026.
Which is more popular, Boat Watch Pro or A?
Boat Watch Pro currently peaks at #173 in the App Store charts, and A at #176. Chart position reflects recent download velocity rather than total install base.

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