# Fortress Power Pro vs E2 Smart

The clearest difference is rating: Fortress Power Pro at 4.0 against E2 Smart's 2.3. Fortress Power Pro also leads on device support. E2 Smart's advantage is iOS requirement (11.0 vs 16). On price, ratings volume, 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.

Fortress Power Pro holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

## The numbers

| Metric | Fortress Power Pro | E2 Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/fortress-power-pro/id6446246437/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/e2-smart/id6462363834/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | Free |
| Size | 89 MB | 29 MB |
| Requires iOS | 16 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Fortress Power](https://appshunter.io/developer/1632364417) | [Endurenergy Systems Inc](https://appshunter.io/developer/1702974105) |

## What reviewers say

### Fortress Power Pro

[App page](https://appshunter.io/ios/app/fortress-power-pro/id6446246437)

This app assists professional installers in commissioning and servicing whole-home energy storage systems. It offers guided setup, remote control, and diagnostic tools to streamline installations and reduce errors.

**Highlights:** Guided system commissioning, Streamlined service workflows, Intuitive system controls, Powerful diagnostics, Remote system visibility and control

**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 Fortress Power Pro free?

Fortress Power Pro 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, Fortress Power Pro or E2 Smart?

Fortress Power Pro is rated higher. Fortress Power Pro averages 4.0 out of 5 from 4 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.*