# PowerMeter App vs ZEN Steelbox

The clearest difference is update cadence: ZEN Steelbox at every 2 months against PowerMeter App's every 10 months. ZEN Steelbox also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PowerMeter App ships an update every 10 months, ZEN Steelbox every 2 months. Both last shipped on October 11, 2026.

## The numbers

| Metric | PowerMeter App | ZEN Steelbox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 21 MB | 68 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [POWERMETER SRL SEMPLIFICATA](https://appshunter.io/developer/1576203592) | [OSC Innovation](https://appshunter.io/developer/1209576978) |

## What reviewers say

### PowerMeter App

[App page](https://appshunter.io/ios/app/powermeter-app/id1514955466)

This utility app connects to a smart meter and hub to monitor your home or business's electricity consumption. Track usage in real-time, receive alerts for power outages or excessive consumption, and gain insights to reduce energy costs.

**Highlights:** Real-time electricity consumption monitoring, Wi-Fi connectivity for remote access, Cloud data storage for integration, Alerts for meter disconnection, Notifications for power outages, Energy and cost saving insights

**Features:** macOS Compatibility

**In-app purchases:** none


### ZEN Steelbox

[App page](https://appshunter.io/ios/app/zen-steelbox/id1550440430)

**In-app purchases:** none


## Frequently asked questions

### Is PowerMeter App free?

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

### Is ZEN Steelbox free?

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

### Do PowerMeter App or ZEN Steelbox have ads?

Neither PowerMeter App nor ZEN Steelbox shows ads.

### Which is updated more often, PowerMeter App or ZEN Steelbox?

PowerMeter App ships an update every 10 months, and ZEN Steelbox every 2 months. Most recently, PowerMeter App was updated on October 11, 2026 and ZEN Steelbox on October 11, 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.*