Sunline vs GPSLink US
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sunline
This device combines inverter, solar charger, and battery charger functions for portable, uninterruptible power. Its LCD display allows easy configuration of charging current, power source priority, and input voltage.
- Multi-function inverter/charger
- Solar charger capability
- Battery charger capability
- Uninterruptible power support
- Comprehensive LCD display
- User-configurable settings
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This is a multi-function inverter/charger, combining functions of inverter, solar charger and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications.
GPSLink US
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GPSLink is a powerful GPS vehicle tracking application that keeps you connected to your vehicles at all times. Designed for both individuals and businesses, GPSLink provides real-time tracking, intelligent alerts, trip playback, and advanced fleet management tools to ensure safety, efficiency, and control. With a fast and user-friendly interface, GPSLink helps you monitor vehicle activity, optimize operations, and stay informed wherever you are. Key Features Live GPS Tracking Track your vehicles in real time with accurate location updates on an interactive map. Trip History & Playback Access complete trip history with route playback, including speed, stops, and travel duration. Instant Alerts & Notifications Receive real-time alerts for: Ignition ON / OFF Overspeed alerts Geofence entry and exit Device offline status Power disconnection alerts Geofencing Create custom zones and get notified when vehicles enter or exit specified areas. Fleet Management Dashboard Monitor and manage multiple vehicles from a centralized and easy-to-use interface. Reports & Analytics Generate detailed reports including: Distance traveled Engine hours Idle time Speed violations Trip summaries Secure Login Your data is protected with secure authentication and encrypted communication.
Screenshots
Verdict
The clearest difference is iOS requirement: Sunline at 11.1 against GPSLink US's 15.1. On price, update cadence, ads and in-app purchases 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.
Sunline ships an update every 4 months, GPSLink US every 2 months. The most recent releases landed on September 10, 2026 and October 6, 2026 respectively.
| Parameter | Sunline | GPSLink US |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.1 — better | 15.1 |
| Further details — not scored | ||
| Size | 7 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Drift Innovation Ltd | Tamilarasan Kannan |
In-app purchases
Sunline
No in-app purchases
GPSLink US
No in-app purchases









