# EP CUBE vs Fortress Power Pro

The clearest difference is iOS requirement: EP CUBE at 14.0 against Fortress Power Pro's 16. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.1 for EP CUBE against 4.0 for Fortress Power Pro. Both are backed by a comparable volume of ratings — 9 and 4 respectively.

EP CUBE ships an update every 6 weeks, Fortress Power Pro every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | EP CUBE | Fortress Power Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/ep-cube/id1638851614/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/fortress-power-pro/id6446246437/reviews) |
| Number of ratings | **9** | 4 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 56 MB | 89 MB |
| Requires iOS | **14.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eternalplanet Energy Co., Ltd](https://appshunter.io/developer/1638851616) | [Fortress Power](https://appshunter.io/developer/1632364417) |

## What reviewers say

### EP CUBE

[App page](https://appshunter.io/ios/app/ep-cube/id1638851614)

Monitor and manage your EP Cube system with this interface. It offers all-in-one system performance tracking, energy production/usage analysis, and operational mode configuration. Easily request service and troubleshoot issues.

**Highlights:** System performance monitoring, Energy production/usage reports, Operation mode configuration, Service request, Troubleshooting

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EP CUBE free?

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

### Is Fortress Power Pro free?

Fortress Power Pro is free to download, with no in-app purchases.

### Which has better reviews, EP CUBE or Fortress Power Pro?

EP CUBE is rated higher. EP CUBE averages 4.1 out of 5 from 9 ratings, while Fortress Power Pro averages 4.0 from 4 ratings.

### Do EP CUBE or Fortress Power Pro have ads?

Neither EP CUBE nor Fortress Power Pro shows ads.

### Which is updated more often, EP CUBE or Fortress Power Pro?

EP CUBE ships an update every 6 weeks, and Fortress Power Pro every 5 weeks. Most recently, EP CUBE was updated on November 3, 2026 and Fortress Power Pro on November 3, 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.*