Udan Live vs EchoCharge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Udan Live
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Battery remote monitoring platform, terminal cloud real-time wireless interconnection.The battery is always online and under control.
EchoCharge
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1，定位查找换电柜、扫码换电 2，智能换电柜实时监控电池各项指标 3，智能锂电池，实时定位查看电池运行轨迹 4，用户端低电量提醒，告别续航焦虑 5，多种换电套餐满足不同场景需求 6，国标电动车辆管理
Screenshots
Verdict
Udan Live and EchoCharge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Udan Live ships an update every 4 weeks, EchoCharge fortnightly. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.
| Parameter | Udan Live | EchoCharge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 41 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Anhui Udan Technology Co., Ltd. | Guangzhou Yunku Intelligence Equipment Co., Ltd. |
In-app purchases
Udan Live
No in-app purchases
EchoCharge
No in-app purchases
