PrimeVolt vs ihouse EMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PrimeVolt
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Display PrimeVolt PVI power generation information data, simple and efficient
ihouse EMS
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ihouse EMS APP主要特點： 1. 使用手機即可監看家裡能源使用情況。 2. 用戶能即時查看各項用電數據分析。 3. 可輕鬆自訂能源管理計劃，進而調配用電方式。 4. 平衡電網負載，在電網需求高峰時提供額外的電力，低谷時儲存多餘的電力，來達到平衡電網的負載。 5. 穩定電網頻率，儲能櫃可以在需要時提供額外的電力以穩定頻率，或者吸收多餘的電力以避免頻率波動。 6. 提高能源利用效率。 7. 應對突發事件，在緊急情況下，儲能櫃可以作為備用電源，提供電力以應對突發事件，確保電力供應的穩定性和可靠性。
Screenshots
Verdict
The clearest difference is update cadence: ihouse EMS at fortnightly against PrimeVolt's every 6 weeks. PrimeVolt's advantage is iOS requirement (8.0 vs 12.0). 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.
PrimeVolt ships an update every 6 weeks, ihouse EMS fortnightly. The most recent releases landed on June 22, 2026 and September 7, 2026 respectively.
| Parameter | PrimeVolt | ihouse EMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 19 MB | 92 MB |
| Age rating | 17+ | 4+ |
| Developer | Asian Power Devices Inc | A Clockwork Orange |
In-app purchases
PrimeVolt
No in-app purchases
ihouse EMS
No in-app purchases
