E vs AMOY
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
E
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This app is specifically developed for the BMS protection board, and can view the battery status in real-time.
AMOY
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Specifically designed for the AMOY-E system, this App is dedicated to. 1) Help users to know the working data of AMOY-E system devices in real time. 2) Provides Bluetooth updates for the latest firmware version. 3) Provide users with a better understanding of the device through the battery, inverter details page and system settings.
Screenshots
Verdict
E and AMOY are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· 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 5 weeks, AMOY monthly. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.
| Parameter | E | AMOY |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Monthly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details β not scored | ||
| Size | 33 MB | 40 MB |
| Age rating | 4+ | 17+ |
| Developer | ε»Ίε ε | TBB Power Co., Ltd |
In-app purchases
E
No in-app purchases
AMOY
No in-app purchases
