# Power Zero vs WeldGauge

The clearest difference is price: Power Zero at Free against WeldGauge's $4.99. Power Zero also leads on iOS requirement (15.5 vs 17.0). WeldGauge's advantage is update cadence (every 2 weeks vs every 6 weeks). On ads, in-app purchases and device support there is nothing between them.

Power Zero is free to download; WeldGauge costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Power Zero ships an update every 6 weeks, WeldGauge every 2 weeks. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Power Zero | WeldGauge |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| 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 | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 149 MB | 4 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [毅 伍](https://appshunter.io/developer/1088814173) | [宁 王](https://appshunter.io/developer/1856258030) |

## What reviewers say

### 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


### WeldGauge

[App page](https://appshunter.io/ios/app/weldgauge/id6771599899)

**In-app purchases:** none


## Frequently asked questions

### Is Power Zero free?

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

### Is WeldGauge free?

WeldGauge costs $4.99, with no in-app purchases.

### Do Power Zero or WeldGauge have ads?

Neither Power Zero nor WeldGauge shows ads.

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

Power Zero ships an update every 6 weeks, and WeldGauge every 2 weeks. Most recently, Power Zero was updated on September 29, 2026 and WeldGauge on October 4, 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.*