# Sunline vs GS

Sunline and GS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, GS every 3 months. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Sunline | GS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/sunline/id1494807667/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 7 MB | 39 MB |
| Requires iOS | 11.1 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Drift Innovation Ltd](https://appshunter.io/developer/579007701) | [进 李](https://appshunter.io/developer/1547595313) |

## What reviewers say

### Sunline

[App page](https://appshunter.io/ios/app/sunline/id1494807667)

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:** macOS Compatibility

**In-app purchases:** none


### GS

[App page](https://appshunter.io/ios/app/gs-link/id1556970109)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunline free?

Sunline is free to download, with no in-app purchases.

### Is GS free?

GS is free to download, with no in-app purchases.

### Do Sunline or GS have ads?

Neither Sunline nor GS shows ads.

### Which is updated more often, Sunline or GS?

Sunline ships an update every 4 months, and GS every 3 months. Most recently, Sunline was updated on September 10, 2026 and GS on September 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*