Comparison

Cortex Onboard vs Lock Status

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

Head to head
About

Cortex Onboard

This app allows you to configure and update your marine electronics from your mobile device. Monitor vessel data, receive alerts, and manage features like Anchor Watch from anywhere on board.

Highlights
  • Configure and update Cortex devices
  • View AIS information and alerts
  • Manage Anchor Watch
  • Monitor vessel sensors
  • Connect NMEA 2000 instruments
Read full description

Cortex Onboard is free with your Cortex. Use it to configure your Cortex Hub and download updates to your Cortex devices with new features and improvements. You can also use Cortex Onboard to receive and manage alerts, view AIS information and instrument data anywhere on board your boat. View out-of-the-box sensors or NMEA 2000 networked instruments. - Setup is easy and free. - Use Cortex Onboard to configure and update your Cortex devices easily. - View AIS information and receive alerts on board direct to your device. - Manage Anchor Watch from the palm of your hand anywhere on board. - Use the Cortex Hub’s built-in sensors for battery level, barometric pressure and boat position. - Connect your Cortex Hub to NMEA 2000, or an external sensor, to add monitoring for wind, depth, bilge high water, temperature, shore power or security. - The Cortex Hub supports up to 10 WiFi devices (includes Handsets).

About

Lock Status

Provides real-time information on U.S. river locks and dams. Get contact details and see upcoming locks for your waterway journey. Essential for boaters and canoeists navigating rivers.

Highlights
  • Up-to-date lock information
  • Contact methods for locks
  • Upcoming lock identification
  • Supports waterway journeys
  • River and dam status
Features
Read full description

Canoeing down the Mississippi? Pushing a tow up the Ohio? Crossing Florida on the Okeechobee Waterway, or spending a year on the Great Loop? Sooner or later you'll reach a lock. Lock Status shows what's happening at every U.S. Army Corps of Engineers navigation lock, so you know what's ahead before you get there. SEE EVERY LOCK • Delays, stoppages and the vessels waiting and locking through, colored by how busy each lock is • Pool and tailwater levels, chamber sizes, lock hours and navigation notices • Browse by river, search by name, find the locks closest to you, or use the map • Favorite the locks you pass most often HAIL THE LOCK • Each lock's VHF channel and phone number, one tap to call • Towboats: see whether the tow fits the chamber, or how many cuts it needs • Pleasure boaters: what to say on the radio, plus tips for locking through PLAN YOUR TRIP • Build a route lock by lock, and see the next lock, how far it is and what's waiting there • Great Loop planning, with the Loop's route choices MADE FOR THE WATER • Night mode in red on black protects your night vision in the pilothouse; Sun mode adds contrast for bright days • In a dead spot, the app shows the last data it loaded and when it's from, and refreshes when you're back in range • Widgets for your Home Screen, Lock Screen, Mac desktop and menu bar • In English, Spanish, French, Russian, Chinese, Vietnamese, Filipino and Haitian Creole • Full VoiceOver support and larger text sizes LOCK STATUS PREMIUM Free: lock status, delays, stoppages, queues, the map, VHF channels and phone numbers, what to say on the radio, one trip, widgets, and Night and Sun modes. Premium adds: • Alerts when a stoppage starts or clears, a delay passes your limit, or a navigation notice is posted, even when the app is closed • Live Activities that keep a lock updated on your Lock Screen and in the Dynamic Island • The full trip planner: more than one trip, Great Loop planning, arrival times and the delays ahead • 30 days of traffic and monthly cargo tonnage at every lock Premium is $1.99 a month or $9.99 a year, with a free first week. It's billed to your Apple Account and renews automatically unless you cancel at least 24 hours before the end of the current period. Manage or cancel it anytime in your Apple Account settings. Lock information comes from the U.S. Army Corps of Engineers' public Lock Performance Monitoring System and is provided on a best-effort basis. Lock Status isn't affiliated with the Corps of Engineers. Always follow the lockmaster's instructions. Terms of Use: https://lockstatus.ajthom.dev/terms/ Privacy Policy: https://lockstatus.ajthom.dev/privacy/

Screenshots

Cortex Onboard4 screens
Lock Status4 screens

Verdict

The call

The clearest difference is rating: Lock Status at 4.4 against Cortex Onboard's 3.8. Cortex Onboard's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (15.6 vs 18.0). On price, review sentiment, ratings volume and ads 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Lock Status holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 12 and 7 respectively. Written reviews complicate that: 56% of Cortex Onboard's written reviews are positive against 50% of Lock Status's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Cortex Onboard ships an update every 2 months, Lock Status every 4 months. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
Cortex Onboard versus Lock Status: the parameters behind the verdict, then further details
ParameterCortex OnboardLock Status
PriceFreeFree
Rating3.8 (12 ratings)4.4 (7 ratings) — better
Positive reviews55.6% of reviews — better50.0% of reviews
Number of ratings12 — better7
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size376 MB10 MB
Age rating4+4+
DeveloperGarmin New Zealand LtdAndrew Thom

Customer experience

Cortex Onboard

All ratings12 ratings
Positive66.7%
Neutral8.3%
Negative25.0%
Written reviews9 reviews
Positive55.6%
Neutral11.1%
Negative33.3%

Lock Status

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Cortex Onboard

No in-app purchases

None

Lock Status

No in-app purchases

Questions

Is Cortex Onboard free?
Cortex Onboard is free to download, with no in-app purchases.
Is Lock Status free?
Lock Status is free to download, with no in-app purchases.
Which has better reviews, Cortex Onboard or Lock Status?
Lock Status is rated higher. Cortex Onboard averages 3.8 out of 5 from 12 ratings, while Lock Status averages 4.4 from 7 ratings.
Do Cortex Onboard or Lock Status have ads?
Neither Cortex Onboard nor Lock Status shows ads.
Which is updated more often, Cortex Onboard or Lock Status?
Cortex Onboard ships an update every 2 months, and Lock Status every 4 months. Most recently, Cortex Onboard was updated on October 13, 2026 and Lock Status on October 5, 2026.

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