John Blue LBMS vs Dock Watch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
John Blue LBMS
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This is a complementary app for use with John Blue's Liquid Blockage Monitor System. Now you can know your liquid application flow from the cab of your tractor. The patented system alerts you when a ball and flow in an individual row has dropped below a user selected level in a John Blue VisaGage II Flow Monitor. Two different products may be monitored at the same time, and real-time ball position information is relayed to the user. The system communicates via Wi-Fi with the iPad or iPhone, which serves as the control panel and display using this app. Continued use of GPS running in the background can dramatically decrease battery life.
Dock Watch
This app notifies drivers when a loading dock light turns green, allowing them to rest. It pairs with a portable device clipped to the light and tracks dock times for future planning.
- Instant green light notifications
- Tracks time to red and back to green
- Calculates total dock time
- Records dock times across the US
- Facilitates trip planning and bidding
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The Dock Watch app provides notification to the driver when the loading dock light has turned green, allowing the driver to get good rest while waiting to be loaded/unloaded. By harnessing the power of a smartphone or tablet, Dock Watch is the only system that gives the driver the peace of mind of knowing that they will be instantly notified as soon as the loading dock light turns green. Simply download the free app and pair it to the portable Dock Watch device that the driver will clip on to the loading dock light. This device is available for purchase on dockwatch.io. Clip the device on the loading dock light, activate/arm it and wait for notification that the light has turned green. The app also keeps track of how long it took for the light to turn red, how long it took for the light to turn back to green from red and the total time the driver is in the dock from activation to green light. The Dock Watch system keeps track of dock times all over the US where the device has been used and this information will be used in the future to allow drivers/companies to look up average wait times at facilities and in turn enable them to better plan their trips or bid the lane.
Screenshots
Verdict
The clearest difference is update cadence: John Blue LBMS at every 5 months against Dock Watch's every 27 months. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
John Blue LBMS ships an update every 5 months, Dock Watch every 27 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | John Blue LBMS | Dock Watch |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 5 months — better | Every 27 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.1 |
| Further details — not scored | ||
| Size | 53 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Advanced Systems Technology - John Blue Co. | Chad Herzog |
In-app purchases
John Blue LBMS
No in-app purchases
Dock Watch
No in-app purchases
Questions
Is John Blue LBMS free?
Is Dock Watch free?
Do John Blue LBMS or Dock Watch have ads?
Which is updated more often, John Blue LBMS or Dock Watch?
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