# V390 vs SmartViewer Pro

The clearest difference is ads: SmartViewer Pro at none against V390's shown. SmartViewer Pro also leads on update cadence (monthly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

V390 ships an update every 3 months, SmartViewer Pro monthly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | V390 | SmartViewer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (4 ratings)](https://appshunter.io/ios/app/smartviewer-pro/id1450136786/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 563 MB | 47 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国强 孙](https://appshunter.io/developer/1051177733) | [雪晴 朱](https://appshunter.io/developer/1284531615) |

## What reviewers say

### V390

[App page](https://appshunter.io/ios/app/v390/id1110261089)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartViewer Pro

[App page](https://appshunter.io/ios/app/smartviewer-pro/id1450136786)

This professional security monitoring app allows you to view and control networked cameras and recorders. It offers features like real-time preview, PTZ control, facial recognition, and two-way audio communication. Easily add devices via QR code, LAN search, or manual input.

**Highlights:** Real-time camera preview, PTZ control, Facial recognition, Real-time snapshot and recording, Playback recorded footage, Two-way audio communication, Alarm push/receive

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is V390 free?

V390 is free to download, with no in-app purchases.

### Is SmartViewer Pro free?

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

### Do V390 or SmartViewer Pro have ads?

V390 shows ads; SmartViewer Pro does not.

### Which is updated more often, V390 or SmartViewer Pro?

V390 ships an update every 3 months, and SmartViewer Pro monthly. Most recently, V390 was updated on October 2, 2026 and SmartViewer Pro on October 1, 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.*