IAMMETER vs SEMS+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IAMMETER
Monitor your home's electricity consumption in real-time. Track energy flow, grid import/export, and solar PV production. Integrate with popular home automation systems.
- Real-time electricity usage tracking
- Monitor energy flow
- Solar PV system production monitoring
- Grid import/export tracking
- Home automation integration
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This app is a tool of IAMMETER (https://www.iammeter.com), an online energy monitoring system developed by us. By installing our WiFi energy meter and running this app, you can 1. Track your home electricity usage in real-time. To learn more, please visit https://www.iammeter.com/doc/iammeter/residential_electricity_system.html; 2. Monitor the entire energy flow, the energy imported from/exported to grid and solar PV system production, for you solar PV system. To learn more, please visit https://www.iammeter.com/doc/iammeter/monitor-your-solar-system.html; 3. Integrate with some Home Automation system, such as Home Assistant, openHAB, NodeRED, etc. To learn more, please visit https://www.iammeter.com/doc/iammeter/home_automation.html. To buy our WiFi energy meters, please visit our Aliexpress Store https://devicebit-iot.aliexpress.com. For more details, please visit https://www.iammeter.com Customer Support: Email: support@devicebit.com Mobile: +86 13911890238
SEMS+
This platform provides comprehensive energy system management for GoodWe devices. It offers real-time monitoring, energy flow visualization, and AI-driven health guidance. Users can remotely operate systems, receive smart alerts, and integrate multiple devices for efficient energy management and performance optimization.
- Real-time system and device monitoring
- Energy flow visualization
- AI health expert guidance
- Remote operation
- Smart alerts
- Multi-device integration
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GoodWe SEMS+ App is a global digital energy management platform built on GoodWe devices. It delivers real-time system and device monitoring, energy flow visualization, AI health expert guidance, remote operation, smart alerts, multi-device integration, and quick setup, helping installers and end-users efficiently manage energy systems, optimize performance, and maximize returns.
Screenshots
Verdict
The clearest difference is review sentiment: IAMMETER at 100% against SEMS+'s 25%. SEMS+'s advantage is update cadence (every 8 days vs every 6 weeks). On price, ads, in-app purchases and monetization model 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.
IAMMETER ships an update every 6 weeks, SEMS+ every 8 days. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.
| Parameter | IAMMETER | SEMS+ |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.4 (12 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 24.5% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 12 MB | 271 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing Lewei IoT Technologies Co.,Ltd. | GoodWe Technologies Co., Ltd. |
Customer experience
IAMMETER
SEMS+
In-app purchases
IAMMETER
No in-app purchases
SEMS+
No in-app purchases
