WANJIN ESS vs 小储大能
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WANJIN ESS
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The EMS App supports the access and unified control of energy storage, photovoltaic and charging equipment. Support different operators' access, and completely isolate the data of each operator. Flexible generation of daily, monthly, and annual operating data reports and revenue data. For end users of energy storage, it provides power generation and power consumption data viewing, optimizes energy supply, and monitors energy equipment anytime and anywhere through instant reminders and remote access functions.
小储大能
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小储大能是一款数字化储能智慧管理平台APP，用户可以通过该软件实现对储能电站实时监视、故障告警、工单处理、电价查询、收益查询等服务，为用户提供便捷的远程监控手段，打造更加智能化、更加高效的储能运维管理体验，通过数字化手段为储能系统的安全和收益赋能。 此版本仅适用于 iPhone 设备，请注意不支持 iPad 设备
Screenshots
Verdict
The clearest difference is update cadence: 小储大能 at every 3 months against WANJIN ESS's every 6 months. 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.
WANJIN ESS ships an update every 6 months, 小储大能 every 3 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | WANJIN ESS | 小储大能 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 24 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Anhui Udan Technology Co., Ltd. | 弘正储能(南京)数字技术有限公司 |
In-app purchases
WANJIN ESS
No in-app purchases
小储大能
No in-app purchases
