# ESS LINK vs USmart Energy

The clearest difference is rating: USmart Energy at 5.0 against ESS LINK's 4.7. ESS LINK's advantage is ratings volume (6 vs 1) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

USmart Energy holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: ESS LINK has 6 ratings behind it against 1, so its average is the more settled of the two.

ESS LINK ships an update every 5 weeks, USmart Energy monthly. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ESS LINK | USmart Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/ess-link/id6449733401/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/usmart-energy/id6769995176/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 75 MB | 41 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Sinexcel Electric Co,.Ltd.](https://appshunter.io/developer/1638251236) | [西数智科能源科技(成都)有限责任公司](https://appshunter.io/developer/1896706433) |

## What reviewers say

### 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


### USmart Energy

[App page](https://appshunter.io/ios/app/usmart-energy/id6769995176)

This platform provides comprehensive monitoring and optimization for various energy systems, including solar, storage, and EV charging. It uses AI-driven diagnostics and intelligent dispatch to enhance efficiency, reliability, and reduce operational costs for businesses and households transitioning to green energy.

**Highlights:** Real-time energy asset monitoring, AI-powered diagnostics, Intelligent energy scheduling, Assisted operation & maintenance, Multi-site microgrid support, Energy efficiency management

**In-app purchases:** none


## Frequently asked questions

### Is ESS LINK free?

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

### Is USmart Energy free?

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

### Which has better reviews, ESS LINK or USmart Energy?

USmart Energy is rated higher. ESS LINK averages 4.7 out of 5 from 6 ratings, while USmart Energy averages 5.0 from 1 ratings.

### Do ESS LINK or USmart Energy have ads?

Neither ESS LINK nor USmart Energy shows ads.

### Which is updated more often, ESS LINK or USmart Energy?

ESS LINK ships an update every 5 weeks, and USmart Energy monthly. Most recently, ESS LINK was updated on October 24, 2026 and USmart Energy on October 5, 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.*