# IAMMETER vs NPE Outlet

The clearest difference is device support: IAMMETER at 3 against NPE Outlet's 1. IAMMETER also leads on iOS requirement (15.6 vs 17). On price, update cadence, ads and in-app purchases 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, NPE Outlet every 2 months. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IAMMETER | NPE Outlet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 12 MB | 3 MB |
| Requires iOS | **15.6** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Lewei IoT Technologies Co.,Ltd.](https://appshunter.io/developer/877984904) | [NATTHAPONG SALES AND SERVICE COMPANY LIMITED](https://appshunter.io/developer/1670233786) |

## 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


### NPE Outlet

[App page](https://appshunter.io/ios/app/npe-outlet/id1670233514)

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

**In-app purchases:** none


## Frequently asked questions

### Is IAMMETER free?

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

### Is NPE Outlet free?

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

### Do IAMMETER or NPE Outlet have ads?

Neither IAMMETER nor NPE Outlet shows ads.

### Which is updated more often, IAMMETER or NPE Outlet?

IAMMETER ships an update every 6 weeks, and NPE Outlet every 2 months. Most recently, IAMMETER was updated on October 14, 2026 and NPE Outlet on October 25, 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.*