EP CUBE vs GREEEN（グリーン）
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.
GREEEN（グリーン）
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GREEEN is designed to provide a smart, satisfied and safe service in your daily life. News feed delivers upgraded experience to easily manage your electricity data. The UI card design helps you control smart home appliances with a single tap on your smartphone. GREEEN is not just a HEMS (Home Energy Management System). +watt provides useful insights for greater energy savings and dozens of advanced IoE services for your family, making your life easier and safer.
Screenshots
Verdict
The clearest difference is update cadence: GREEEN（グリーン） at fortnightly against EP CUBE's every 6 weeks. On price, ads, in-app purchases and device support 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 ships an update every 6 weeks, GREEEN（グリーン） fortnightly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.
| Parameter | EP CUBE | GREEEN（グリーン） |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (9 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 56 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Eternalplanet Energy Co., Ltd | NextDrive Co. |
In-app purchases
EP CUBE
No in-app purchases
GREEEN（グリーン）
No in-app purchases
