# Sunline vs KES Customer App

The clearest difference is update cadence: KES Customer App at every 6 weeks against Sunline's every 4 months. Sunline's advantage is iOS requirement (11.1 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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, KES Customer App every 6 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Sunline | KES Customer App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/sunline/id1494807667/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 32 MB |
| Requires iOS | **11.1** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Drift Innovation Ltd](https://appshunter.io/developer/579007701) | [Kukhanya Energy Services](https://appshunter.io/developer/1887472619) |

## 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


### KES Customer App

[App page](https://appshunter.io/ios/app/kes-customer-app/id6784669807)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sunline free?

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

### Is KES Customer App free?

KES Customer App is free to download, with no in-app purchases.

### Do Sunline or KES Customer App have ads?

Neither Sunline nor KES Customer App shows ads.

### Which is updated more often, Sunline or KES Customer App?

Sunline ships an update every 4 months, and KES Customer App every 6 weeks. Most recently, Sunline was updated on October 24, 2026 and KES Customer App on October 22, 2026.

---

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