# Won vs SiteVision by National Power

The clearest difference is update cadence: SiteVision by National Power at every 2 months against Won's every 4 months. SiteVision by National Power also leads on iOS requirement (12.4 vs 14.0). 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.

Won ships an update every 4 months, SiteVision by National Power every 2 months. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Won | SiteVision by National Power |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sitevision-by-national-power/id6477297423/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 27 MB | 15 MB |
| Requires iOS | 14.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Overhead Door Corporation](https://appshunter.io/developer/971795580) | [Bluetone Media](https://appshunter.io/developer/385986990) |

## What reviewers say

### Won

[App page](https://appshunter.io/ios/app/won-door-programmer/id1591059282)

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

**In-app purchases:** none


### SiteVision by National Power

[App page](https://appshunter.io/ios/app/sitevision-by-national-power/id6477297423)

Monitor critical power systems with real-time equipment status, instant alarm notifications, and detailed diagnostic information. This app ensures you stay connected to your power infrastructure for enhanced resilience and reliability.

**Highlights:** Real-time equipment status updates, Instant alarm notifications, Comprehensive diagnostic information, Mission-critical power system connectivity, Enhanced resilience and reliability

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Won free?

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

### Is SiteVision by National Power free?

SiteVision by National Power is free to download, with no in-app purchases.

### Do Won or SiteVision by National Power have ads?

Neither Won nor SiteVision by National Power shows ads.

### Which is updated more often, Won or SiteVision by National Power?

Won ships an update every 4 months, and SiteVision by National Power every 2 months. Most recently, Won was updated on October 30, 2026 and SiteVision by National Power on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*