# NVS Viewer vs PerchCam

The clearest difference is in-app purchases: NVS Viewer at none against PerchCam's 2. NVS Viewer also leads on iOS requirement (12.0 vs 17.0). PerchCam's advantage is update cadence (every 2 weeks vs every 60 months). On price, ads and device support there is nothing between them.

Both are free to download. PerchCam sells 2 in-app purchases, starting at $0.99 per year. NVS Viewer asks for nothing beyond the download.

NVS Viewer ships an update every 60 months, PerchCam every 2 weeks. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | NVS Viewer | PerchCam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 60 months | **Every 2 weeks** |
| Size | 9 MB | 32 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [キング通信工業株式会社](https://appshunter.io/developer/886661736) | [原野 葛](https://appshunter.io/developer/1704204366) |

## What reviewers say

### NVS Viewer

[App page](https://appshunter.io/ios/app/nvs-viewer/id1086866918)

**Features:** macOS Compatibility

**In-app purchases:** none


### PerchCam

[App page](https://appshunter.io/ios/app/perchcam-security-camera/id6769751457)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PerchCam Pro · Annual | $0.99 | per year |
| PerchCam Pro · مدى الحياة | $2.99 | one-time |


## Frequently asked questions

### Is NVS Viewer free?

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

### Is PerchCam free?

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

### Do NVS Viewer or PerchCam have ads?

Neither NVS Viewer nor PerchCam shows ads.

### Which is updated more often, NVS Viewer or PerchCam?

NVS Viewer ships an update every 60 months, and PerchCam every 2 weeks. Most recently, NVS Viewer was updated on September 16, 2026 and PerchCam on September 9, 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.*