E vs T
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.
T
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T-KI 掃描入場專用APP
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Verdict
The clearest difference is update cadence: E at every 6 weeks against T's every 11 months. T's advantage is iOS requirement (12.0 vs 15). 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, T every 11 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | E | T |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15 | 12.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 44 MB |
| Age rating | 4+ | 17+ |
| Developer | 台科電科技股份有限公司 | Right Exchange Information Co., Ltd. |
In-app purchases
E
No in-app purchases
T
No in-app purchases
