E vs 旅電 PLUG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E
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E-Roommate, the billing can be for the entire dormitory's electricity consumption or only for air conditioning usage. After installing the dormitory user app and completing the dormitory room or equipment pairing, users can check the electricity consumption status of the dormitory or air conditioning through the app. It can be paired with an automatic top-up machine to support automatic top-up function.
旅電 PLUG
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旅電共享行動電源,隨時幫你補電 手機快沒電,卻找不到插座? 打開旅電,就能快速找到附近的共享行動電源! 旅電進駐台鐵、台北捷運、桃園捷運、熱門商圈、百貨商場、餐廳及各大合作店家,提供方便、好用的行動電源租借服務。走到哪、充到哪,不用帶充電線,也不用守在插座旁等手機充電。 借了就走,邊走邊充,讓你逛街、吃飯、約會、追劇、導航都不中斷。 手機沒電,就找旅電。 讓「有電」成為你出門最簡單的小事。
Screenshots
Verdict
The clearest difference is update cadence: 旅電 PLUG at every 4 days against E'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.
E ships an update every 6 weeks, 旅電 PLUG every 4 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.
| Parameter | E | 旅電 PLUG |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15 | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | 台科電科技股份有限公司 | Pluginn Technology Co., Ltd. |
In-app purchases
E
No in-app purchases
旅電 PLUG
No in-app purchases









