# Energy Meter vs EcoTimer

The clearest difference is review sentiment: Energy Meter at 86% against EcoTimer's 25%. EcoTimer's advantage is price (Free vs $3.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

EcoTimer is free to download; Energy Meter costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Energy Meter ships an update every 6 months, EcoTimer every 8 months. The most recent releases landed on October 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Energy Meter | EcoTimer |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | **86.3% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | Paid | **Free** |
| Size | 7 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heiko Pruessing](https://appshunter.io/developer/989638671) | [Kermi GmbH](https://appshunter.io/developer/879996391) |

## What reviewers say

### Energy Meter

[App page](https://appshunter.io/ios/app/energy-meter/id989638672)

Monitor your SMA solar plant and identify energy wasters with real-time data. Connect locally to your PV system for instant insights into power grid performance and individual device readings.

**Highlights:** Monitor SMA Energy Meter real-time data, Supports SMA inverters via MODBUS, Automatic local network device detection, Energy flow display, Consumption measurement, Individual phase view, Collect values into charts

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

**In-app purchases:** none


### EcoTimer

[App page](https://appshunter.io/ios/app/ecotimer/id1499364303)

This app allows you to remotely program and control heating devices via Bluetooth. You can create custom weekly schedules, set operating modes like 'Off', 'Eco', and 'Comfort', and adjust temperatures directly from your mobile device.

**Highlights:** Bluetooth connectivity to heating devices, Create custom weekly time programs, Set 'Off', 'Eco', and 'Comfort' modes, Adjust temperatures remotely, Read and adapt existing programs

**In-app purchases:** none


## Frequently asked questions

### Is Energy Meter free?

Energy Meter costs $3.99, with no in-app purchases.

### Is EcoTimer free?

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

### Do Energy Meter or EcoTimer have ads?

Neither Energy Meter nor EcoTimer shows ads.

### Which is updated more often, Energy Meter or EcoTimer?

Energy Meter ships an update every 6 months, and EcoTimer every 8 months. Most recently, Energy Meter was updated on October 21, 2026 and EcoTimer on September 30, 2026.

---

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