# Envy vs E2 Smart

The clearest difference is rating: Envy at 2.7 against E2 Smart's 2.3. Envy also leads on ratings volume (15 vs 3) and device support. E2 Smart's advantage is iOS requirement (11.0 vs 15.6). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

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

Envy holds the better App Store score, 2.7 against 2.3. That said, the two scores are not equally well evidenced: Envy has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

## The numbers

| Metric | Envy | E2 Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (15 ratings)](https://appshunter.io/ios/app/envy-fortress-power/id1668015883/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/e2-smart/id6462363834/reviews) |
| Number of ratings | **15** | 3 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | Free |
| Size | 29 MB | 29 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Fortress Power LLC](https://appshunter.io/developer/1632364417) | [Endurenergy Systems Inc](https://appshunter.io/developer/1702974105) |

## What reviewers say

### Envy

[App page](https://appshunter.io/ios/app/envy-fortress-power/id1668015883)

Monitor and adjust settings for your Fortress Power Envy inverter remotely. Check power status at home and register your inverter's warranty directly through the app.

**Highlights:** Monitor inverter performance, Change inverter settings, Check home power status, Register inverter warranty

**Features:** macOS Compatibility

**In-app purchases:** none


### E2 Smart

[App page](https://appshunter.io/ios/app/e2-smart/id6462363834)

Monitor and manage your home energy storage batteries with real-time data and smart optimization. Understand your energy consumption patterns and set custom alerts for efficient and sustainable energy use.

**Highlights:** Real-time battery monitoring, Smart energy usage optimization, History records and analysis, Customizable smart alerts, Remote control capabilities, Sustainable energy management

**In-app purchases:** none


## Frequently asked questions

### Is Envy free?

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

### Is E2 Smart free?

E2 Smart is free to download, with no in-app purchases.

### Which has better reviews, Envy or E2 Smart?

Envy is rated higher. Envy averages 2.7 out of 5 from 15 ratings, while E2 Smart averages 2.3 from 3 ratings.

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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.*