SolarEMS vs YaWatt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SolarEMS
This application provides services for energy storage monitoring and data statistics. It offers a platform to track and analyze energy storage performance. Designed for efficient data management.
- Energy storage monitoring
- Data statistics
- Performance analysis
- Efficient data management
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SolarEMS 是一个 的电力与储能管理应用，提供电站、设备、告警、能量数据和视频等功能。 功能概览 - 电站与设备数据展示、历史曲线和统计数据查询。 - 告警查询与筛选。 - 能量、储能收益及用电统计展示。 - 萤石云设备直播、回放、录像、截图、云台控制、配网和对讲。 - 中英文等本地化支持，以及明暗主题切换
YaWatt
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YaWatt brings real-time monitoring, control and intelligent scheduling to PV, battery storage and diesel-hybrid systems. Designed for residential and commercial deployments, YaWatt helps you maximize solar usage, protect batteries, and manage diesel backup efficiently. Key features: - Live energy flow visualization: See PV, grid, load and battery flows in an intuitive chart. - System status and alerts: Get notified on thresholds (temperature, SOC) and critical device alarms. - Storage scheduling: Create time-based charge/discharge plans to optimize energy cost and efficiency. - Diesel generator strategy: Configure auto-start/stop SOC thresholds and generator power settings. - Firmware & device management: View firmware versions and device telemetry in one place. - Emergency stop: Safely stop devices from the app (requires device connectivity). - Multi-device overview: Dashboard and detailed views for every site.
Screenshots
Verdict
SolarEMS and YaWatt 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.
SolarEMS ships an update every 3 weeks, YaWatt fortnightly. The most recent releases landed on September 24, 2026 and September 12, 2026 respectively.
| Parameter | SolarEMS | YaWatt |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 89 MB | 49 MB |
| Age rating | 17+ | 4+ |
| Developer | 少神 劳 | Xingxue Chen |
In-app purchases
SolarEMS
No in-app purchases
YaWatt
No in-app purchases
