Comparison

Sunline vs GPSLink US

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Multi-function inverter/charger
  • Solar charger capability
  • Battery charger capability
  • Uninterruptible power support
  • Comprehensive LCD display
  • User-configurable settings
Features
Read full description

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.

About

GPSLink US

Features
Read full description

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

Sunline4 screens
GPSLink US4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Sunline versus GPSLink US: the parameters behind the verdict, then further details
ParameterSunlineGPSLink US
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.1 — better15.1
Further details — not scored
Size7 MB26 MB
Age rating4+4+
DeveloperDrift Innovation LtdTamilarasan Kannan

In-app purchases

None

Sunline

No in-app purchases

None

GPSLink US

No in-app purchases

Questions

Is Sunline free?
Sunline is free to download, with no in-app purchases.
Is GPSLink US free?
GPSLink US is free to download, with no in-app purchases.
Do Sunline or GPSLink US have ads?
Neither Sunline nor GPSLink US shows ads.
Which is updated more often, Sunline or GPSLink US?
Sunline ships an update every 4 months, and GPSLink US every 2 months. Most recently, Sunline was updated on September 10, 2026 and GPSLink US on October 6, 2026.

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