ComplicaJSON vs Trailer Check Pro
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
ComplicaJSON
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ComplicaJSON transforms any JSON data source into a personalized Apple Watch complication. Connect to your favorite APIs for weather, stock prices, server metrics, or any other JSON endpoint and get access to your data at a glance. The Apple Watch will automatically update the data at regular intervals, ensuring you always have the latest information right on your wrist. With support for Image URL, String, Number, Boolean, and Percentage data types, you can customize your watch face with the exact metrics you need.
Trailer Check Pro
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TrailerCheck Pro is a high-fidelity diagnostic application designed to interface seamlessly with TrailerCheck Pro hardware via Bluetooth Low Energy (BLE). Built for mechanics, fleet operators, and DIY enthusiasts, it provides professional-grade diagnostics, monitoring, and control for trailer lighting and power systems. Key Features: Real-Time Telemetry: Monitor output voltage, load current, device temperature, and battery health with high precision. Lighting Controls: Interactive, wireless control over Brake, Tail, Clearance, Turn Signals, Hazards, and Auxiliary power. Intelligent Visualization: Real-time trailer model visualization showing active light states and animations as you test. Battery Diagnostics: Advanced monitoring with support for various battery types (Milwaukee M18, DeWalt 20V, Bosch 18V). Over-the-Air Updates: Perform wireless firmware updates on your TrailerCheck Pro hardware directly from the app. NFC Quick-Launch: Instantly launch the app and connect by tapping your phone to the hardware case. Note: This app requires the physical TrailerCheck Pro hardware to function.
Screenshots
Verdict
The clearest difference is iOS requirement: Trailer Check Pro at 15.1 against ComplicaJSON's 18.5. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ComplicaJSON | Trailer Check Pro |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod โ better |
| Requires iOS | 18.5 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 14 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Almost Good Enough ApS | Greg Maendel |
In-app purchases
ComplicaJSON
No in-app purchases
Trailer Check Pro
No in-app purchases
Questions
Is ComplicaJSON free?
Is Trailer Check Pro free?
Do ComplicaJSON or Trailer Check Pro have ads?
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