# Power Zero vs Westie Notes

The clearest difference is in-app purchases: Power Zero at none against Westie Notes's 2. Power Zero also leads on ads (none vs shown). Westie Notes's advantage is update cadence (every 5 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Westie Notes sells 2 in-app purchases, starting at $1.99 per month. Power Zero asks for nothing beyond the download.

Power Zero ships an update every 6 weeks, Westie Notes every 5 days. The most recent releases landed on September 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Power Zero | Westie Notes |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 149 MB | 116 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [毅 伍](https://appshunter.io/developer/1088814173) | [Liviu Daniel Lupascu](https://appshunter.io/developer/1626157011) |

## 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


### Westie Notes

[App page](https://appshunter.io/ios/app/westie-notes/id6752130555)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Westie Pro Monthly | $1.99 | per month |
| Westie Pro Annual | $11.99 | per year |


## Frequently asked questions

### Is Power Zero free?

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

### Is Westie Notes free?

Westie Notes is free to download, with in-app purchases available.

### Do Power Zero or Westie Notes have ads?

Westie Notes shows ads; Power Zero does not.

### Which is updated more often, Power Zero or Westie Notes?

Power Zero ships an update every 6 weeks, and Westie Notes every 5 days. Most recently, Power Zero was updated on September 29, 2026 and Westie Notes on October 15, 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.*