# IOmeter vs Power Zero

IOmeter and Power Zero are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

IOmeter ships an update monthly, Power Zero every 6 weeks. The most recent releases landed on September 9, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | IOmeter | Power Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/power-zero/id1663188533/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 40.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 41 MB | 149 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [IOmeter GmbH](https://appshunter.io/developer/1644126993) | [毅 伍](https://appshunter.io/developer/1088814173) |

## What reviewers say

### IOmeter

[App page](https://appshunter.io/ios/app/iometer/id1644126991)

**In-app purchases:** none


### Power Zero

[App page](https://appshunter.io/ios/app/power-zero/id1663188533)

Monitor and control your smart energy devices remotely. Track energy usage and production in real-time, find ways to improve efficiency, and manage your solar system's status.

**Highlights:** Real-time energy usage tracking, Energy production monitoring, Energy efficiency improvement suggestions, Remote smart home device control, Solar system status monitoring, Historical energy data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IOmeter free?

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

### Is Power Zero free?

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

### Do IOmeter or Power Zero have ads?

Neither IOmeter nor Power Zero shows ads.

### Which is updated more often, IOmeter or Power Zero?

IOmeter ships an update monthly, and Power Zero every 6 weeks. Most recently, IOmeter was updated on September 9, 2026 and Power Zero on September 6, 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.*