# SUNESS vs ESS LINK

The clearest difference is update cadence: ESS LINK at every 5 weeks against SUNESS's every 3 months. 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.

SUNESS ships an update every 3 months, ESS LINK every 5 weeks. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SUNESS | ESS LINK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (6 ratings)](https://appshunter.io/ios/app/ess-link/id6449733401/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 32 MB | 75 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [深圳市集智电子有限公司](https://appshunter.io/developer/1655111205) | [Sinexcel Electric Co,.Ltd.](https://appshunter.io/developer/1638251236) |

## What reviewers say

### SUNESS

[App page](https://appshunter.io/ios/app/suness/id6447615417)

**Features:** macOS Compatibility

**In-app purchases:** none


### ESS LINK

[App page](https://appshunter.io/ios/app/ess-link/id6449733401)

Monitor and control photovoltaic equipment remotely. View real-time operational data, historical performance, and fault logs. Adjust equipment settings like switches and working modes for efficient energy management.

**Highlights:** Remote data monitoring, Control photovoltaic equipment, View operational data, Access historical data, Manage equipment settings, QR code device entry

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

**In-app purchases:** none


## Frequently asked questions

### Is SUNESS free?

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

### Is ESS LINK free?

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

### Do SUNESS or ESS LINK have ads?

Neither SUNESS nor ESS LINK shows ads.

### Which is updated more often, SUNESS or ESS LINK?

SUNESS ships an update every 3 months, and ESS LINK every 5 weeks. Most recently, SUNESS was updated on September 23, 2026 and ESS LINK on September 21, 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.*