Comparison

Pumpout Nav 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

Pumpout Nav

Find nearby sewage pumpout stations, floating restrooms, and dump stations for your boat. View facility details, log your pumpouts, and learn about proper waste disposal to protect waterways. Available in select coastal and lake regions.

Highlights
  • Find nearby pumpout stations
  • Locate floating restrooms and dump stations
  • Real-time mobile pumpout tracking
  • View facility hours and contact info
  • Log pumpouts and favorite locations
  • Learn about sewage disposal regulations
  • Identify No Discharge Zones
Features
Read full description

Marina Pumpout Finder – available in select regions including California, Oregon, Washington, Florida, Rhode Island and in the Lake Champlain area of Vermont and New York with more being added regularly. • Find a marina near you and see the facilities it offers • Find the closest floating restroom or portable toilet, sewage pumpout station or dump station to your boat.  • Find mobile pumpouts with realtime location tracking where supported • Switch easily from map to list view and find hours, price, contact info and the exact location of the unit.  • Learn about how and why to pump out, the importance of your boat's y-valve and the rules and regulations of recreational boat sewage.  • Log your pumpouts, choose your favorite locations and report non-functioning units • View No Discharge Zones (select states) • Using a pumpout station, dump station or floating restroom is a good way to preserve the waters we love!

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

Pumpout Nav4 screens
Lock Status4 screens

Verdict

The call

The clearest difference is in-app purchases: Pumpout Nav at none against Lock Status's 2. Pumpout Nav also leads on ratings volume (120 vs 21) and iOS requirement (16.6 vs 18.0). Lock Status's advantage is update cadence (every 5 weeks vs every 4 months) and rating (4.8 vs 4.5). On price, ads, monetization model 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

Both are free to download. Lock Status sells 2 in-app purchases, starting at $1.99 per month. Pumpout Nav asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lock Status holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Pumpout Nav has 120 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 38% of Pumpout Nav's written reviews are positive against 50% of Lock Status's.

UpkeepUpdate frequency

Pumpout Nav ships an update every 4 months, Lock Status every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Pumpout Nav versus Lock Status: the parameters behind the verdict, then further details
ParameterPumpout NavLock Status
PriceFreeFree
Rating4.5 (120 ratings)4.8 (21 ratings) — better
Positive reviews37.5% of reviews50.0% of reviews — better
Number of ratings120 — better21
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better18.0
Further details — not scored
Size61 MB17 MB
Age rating4+4+
Developerecom enterprises, inc.Andrew Thom

Customer experience

Pumpout Nav

All ratings117 ratings
Positive88.9%
Neutral3.4%
Negative7.7%
Written reviews8 reviews
Positive37.5%
Neutral0.0%
Negative62.5%

Lock Status

All ratings19 ratings
Positive94.7%
Neutral0.0%
Negative5.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Pumpout Nav

No in-app purchases

2 purchases

Lock Status

Subscriptions2
  • Lock Status Premium (1 Month)7 Days trial$1.991 Month
  • Lock Status Premium (1 Year)7 Days trial$9.991 Year

Questions

Is Pumpout Nav free?
Pumpout Nav is free to download, with no in-app purchases.
Is Lock Status free?
Lock Status is free to download, with in-app purchases available.
Which has better reviews, Pumpout Nav or Lock Status?
Lock Status is rated higher. Pumpout Nav averages 4.5 out of 5 from 120 ratings, while Lock Status averages 4.8 from 21 ratings.
Do Pumpout Nav or Lock Status have ads?
Neither Pumpout Nav nor Lock Status shows ads.
Which is updated more often, Pumpout Nav or Lock Status?
Pumpout Nav ships an update every 4 months, and Lock Status every 5 weeks. Most recently, Pumpout Nav was updated on November 2, 2026 and Lock Status on November 3, 2026.

Other comparisons