# IAMMETER vs SEMS+

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.

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.

## The numbers

| Metric | IAMMETER | SEMS+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (12 ratings)](https://appshunter.io/ios/app/sems-plus/id6755710856/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | **100.0% of reviews** | 24.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 12 MB | 271 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Lewei IoT Technologies Co.,Ltd.](https://appshunter.io/developer/877984904) | [GoodWe Technologies Co., Ltd.](https://appshunter.io/developer/833350490) |

## What reviewers say

### IAMMETER

[App page](https://appshunter.io/ios/app/iammeter/id1414075406)

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.

**Highlights:** Real-time electricity usage tracking, Monitor energy flow, Solar PV system production monitoring, Grid import/export tracking, Home automation integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SEMS+

[App page](https://appshunter.io/ios/app/sems-plus/id6755710856)

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.

**Highlights:** Real-time system and device monitoring, Energy flow visualization, AI health expert guidance, Remote operation, Smart alerts, Multi-device integration

**In-app purchases:** none


## Frequently asked questions

### Is IAMMETER free?

IAMMETER is free to download, with no in-app purchases.

### Is SEMS+ free?

SEMS+ is free to download, with no in-app purchases.

### Do IAMMETER or SEMS+ have ads?

Neither IAMMETER nor SEMS+ shows ads.

### Which is updated more often, IAMMETER or SEMS+?

IAMMETER ships an update every 6 weeks, and SEMS+ every 8 days. Most recently, IAMMETER was updated on October 14, 2026 and SEMS+ on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*