# Energy Meter vs Ütopic Smart Lock

The clearest difference is review sentiment: Energy Meter at 86% against Ütopic Smart Lock's 40%. Ütopic Smart Lock's advantage is price (Free vs $3.99) and update cadence (every 2 months vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

Ütopic Smart Lock 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, Ütopic Smart Lock every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Energy Meter | Ütopic Smart Lock |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | **86.3% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 7 MB | 28 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Heiko Pruessing](https://appshunter.io/developer/989638671) | [DESI ALARM VE GUVENLIK SISTEMLERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1045535410) |

## 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


### Ütopic Smart Lock

[App page](https://appshunter.io/ios/app/utopic-smart-lock/id1560644619)

Control your smart lock remotely with features like one-click direction setting, guest access codes, and adjustable motor speed. Schedule access for users and monitor battery status. Automate locking with customizable delays.

**Highlights:** One-click direction setting, Guest access codes, Adjustable motor speed, Automatic and delayed locking, Battery status monitoring, User access scheduling

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Energy Meter free?

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

### Is Ütopic Smart Lock free?

Ütopic Smart Lock is free to download, with no in-app purchases.

### Do Energy Meter or Ütopic Smart Lock have ads?

Neither Energy Meter nor Ütopic Smart Lock shows ads.

### Which is updated more often, Energy Meter or Ütopic Smart Lock?

Energy Meter ships an update every 6 months, and Ütopic Smart Lock every 2 months. Most recently, Energy Meter was updated on November 1, 2026 and Ütopic Smart Lock on November 3, 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.*