Trailer Sentry vs Lockii
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Trailer Sentry
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The Trailer Sentry is an anti-theft device that is capable of locking trailer and tractor brakes preventing assets from being moved or stolen. The optional Cargo Guard hardware also enables the locking and unlocking of cargo doors via the app. Dispatch may grant or remove access via web-based software to specific drivers to control specific assets using the app from any Bluetooth-enabled iOS phone or tablet.
Lockii
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Lockii - Run a fully automated rental business. Lockii is the all-in-one platform for contactless rentals. Manage bookings, automate pickups & returns, track items with GPS, and automate customer communication - all from one system. With Lockii, rental businesses can operate 24/7 self-service hire locations without needing staff onsite, or staff intervention with bookings. From trailers and vehicles to bikes, equipment, and outdoor gear, Lockii powers modern rental companies around the world. Automate Your Entire Rental Workflow Lockii handles the entire rental lifecycle: ⢠Customers book online ⢠Identity verification confirms the renter ⢠Access codes are generated and sent to unlock the item ⢠Automated messaging guides the hire ⢠Returns are confirmed with photos and GPS Over 95% of bookings run without human involvement at all, allowing businesses to scale faster and reduce labour costs. Who Lockii Is For Lockii is designed for rental businesses of all types: ⢠Trailer hire ⢠Car rentals ⢠Bike and scooter rentals ⢠Equipment hire ⢠Outdoor gear rentals ⢠Self-service vending rentals Why Businesses Choose Lockii ⢠Operate rental locations without staff ⢠Reduce operational costs ⢠Expand to new locations faster ⢠Increase asset utilisation ⢠Deliver a modern self-service experience Lockii integrates bookings, payments, access control, and tracking into a single platform designed specifically for contactless rental businesses.
Screenshots
Verdict
The clearest difference is update cadence: Lockii at every 3 weeks against Trailer Sentry's every 5 months. Trailer Sentry's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Trailer Sentry ships an update every 5 months, Lockii every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Trailer Sentry | Lockii |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 3 weeks ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod ā better | iPhone |
| Requires iOS | 12.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 2 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | 7PSolutions, LLC | Bodhi Hawken |
In-app purchases
Trailer Sentry
No in-app purchases
Lockii
No in-app purchases
Questions
Is Trailer Sentry free?
Is Lockii free?
Do Trailer Sentry or Lockii have ads?
Which is updated more often, Trailer Sentry or Lockii?
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