EP CUBE vs Envy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EP CUBE
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.
- System performance monitoring
- Energy production/usage reports
- Operation mode configuration
- Service request
- Troubleshooting
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This is the monitoring interface for EP Cube system owners. Delivering all-in-one monitoring & management experience, easy troubleshooting and service request also included. - System performance monitoring and analyzing. - Check daily, monthly, yearly reports of energy production and usage. - Operation mode configuration adjusting. - Service requesting and troubleshooting.
Envy
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.
- Monitor inverter performance
- Change inverter settings
- Check home power status
- Register inverter warranty
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This app keeps you in control of your Fortress Power Envy inverter. Monitor the performance of your Envy inverter Change important settings to get the most out of your inverter Is the power on at home? Check on your inverter and make sure the lights are on. Registering your Envy inverter on the app also registers your warranty with us. No need for another form.
Screenshots
Verdict
The clearest difference is review sentiment: EP CUBE at 75% against Envy's 0%. EP CUBE also leads on rating (4.1 vs 2.9). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EP CUBE holds the better App Store score, 4.1 against 2.9. Both are backed by a comparable volume of ratings — 9 and 13 respectively. Written reviews point the same way: 75% of EP CUBE's written reviews are positive against 0% of Envy's.
EP CUBE ships an update every 6 weeks, Envy every 5 weeks. The most recent releases landed on September 14, 2026 and July 26, 2026 respectively.
| Parameter | EP CUBE | Envy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (9 ratings) — better | 2.9 (13 ratings) |
| Positive reviews | 75.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 9 | 13 — better |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 56 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Eternalplanet Energy Co., Ltd | Fortress Power LLC |
Customer experience
EP CUBE
Envy
In-app purchases
EP CUBE
No in-app purchases
Envy
No in-app purchases
