# Trinasmart vs CST ESS

The clearest difference is device support: Trinasmart at 3 against CST ESS's —. Trinasmart also leads on iOS requirement (6.0 vs 15.6). On price 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.

## The numbers

| Metric | Trinasmart | CST ESS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | — | Every 29 months |
| Monetization | Free | — |
| Size | 5 MB | 37 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Tigo Energy](https://appshunter.io/developer/486930495) | [无锡乐伏网络科技有限公司](https://appshunter.io/developer/1197246083) |

## What reviewers say

### Trinasmart

[App page](https://appshunter.io/ios/app/trinasmart/id947663091)

Monitor your solar photovoltaic system's performance from anywhere. Receive automatic alerts for system issues and view module-level details and historical data. Demo the software before installation to see how it works.

**Highlights:** On-the-go solar system monitoring, Automatic problem detection and alerts, Module-level performance data, Historical performance tracking, Intuitive user interface, System fleet management

**Features:** macOS Compatibility

**In-app purchases:** none


### CST ESS

[App page](https://appshunter.io/ios/app/cst-ess/id6447654088)

**In-app purchases:** none


## Frequently asked questions

### Is Trinasmart free?

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

### Is CST ESS free?

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

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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.*