Comparison

Coordinate Converter. 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

Coordinate Converter.

Easily convert coordinates between over 3800 systems and datums, including common formats like UTM and MGRS, as well as more specialized grids. View results on a map and export them to various messaging and sharing apps.

Highlights
  • Over 3800 coordinate systems/datums
  • Converts UTM, MGRS, WGS84, and exotic systems
  • Input/output formatting (D, DM, DMS)
  • Results visible on OpenStreetMap
  • Export converted coordinates to messaging apps
Features
Read full description

Convert coordinates between 3800+ coordinate systems and datums — from common systems like UTM, MGRS and WGS84 to regional ones like Dominica 1945 / British West Indies Grid, Katanga 1955 / Katanga Lambert or NAD83 / Oklahoma South. Features: • Over 3800 coordinate systems/datums • Input and output in D, DM or DMS format where applicable • View the converted coordinate on OpenStreetMap (requires internet) • Export via WhatsApp, X, Email, SMS, or copy to clipboard

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

Coordinate Converter.4 screens
Lock Status4 screens

Verdict

The call

The clearest difference is review sentiment: Lock Status at 50% against Coordinate Converter.'s 0%. Lock Status also leads on price (Free vs $2.99) and update cadence (every 5 weeks vs every 20 months). Coordinate Converter.'s advantage is in-app purchases (none vs 2). On ads 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

Lock Status is free to download; Coordinate Converter. costs $2.99 up front. Lock Status sells 2 in-app purchases, starting at $1.99 per month. Coordinate Converter. asks for nothing beyond the download.

UpkeepUpdate frequency

Coordinate Converter. ships an update every 20 months, Lock Status every 5 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard6 real differences · 4 level
Coordinate Converter. versus Lock Status: the parameters behind the verdict, then further details
ParameterCoordinate Converter.Lock Status
Price$2.99Free — better
Rating—4.8 (20 ratings) — better
Positive reviews0.0% of reviews50.0% of reviews — better
Number of ratings—20 — better
Update frequencyEvery 20 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS26.018.0 — better
Further details — not scored
Size26 MB17 MB
Age rating4+4+
DeveloperJW RijkesAndrew Thom

Customer experience

Coordinate Converter.

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Lock Status

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

In-app purchases

None

Coordinate Converter.

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 Coordinate Converter. free?
Coordinate Converter. costs $2.99, with no in-app purchases.
Is Lock Status free?
Lock Status is free to download, with in-app purchases available.
Do Coordinate Converter. or Lock Status have ads?
Neither Coordinate Converter. nor Lock Status shows ads.
Which is updated more often, Coordinate Converter. or Lock Status?
Coordinate Converter. ships an update every 20 months, and Lock Status every 5 weeks. Most recently, Coordinate Converter. was updated on October 29, 2026 and Lock Status on October 27, 2026.

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