# STGO2 vs Anpviz Viewer

The clearest difference is rating: STGO2 at 4.5 against Anpviz Viewer's 3.0. STGO2 also leads on ratings volume (102 vs 4) and iOS requirement (10.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

STGO2 holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: STGO2 has 102 ratings behind it against 4, so its average is the more settled of the two.

STGO2 ships an update every 16 months, Anpviz Viewer every 9 months. The most recent releases landed on August 15, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | STGO2 | Anpviz Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (102 ratings)](https://appshunter.io/ios/app/stgo2/id1286613985/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/anpviz-viewer/id6478377508/reviews) |
| Number of ratings | **102** | 4 |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 9 months** |
| Monetization | Free | Free |
| Size | 327 MB | 329 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SecurityTronix](https://appshunter.io/developer/543070796) | [小云 陈](https://appshunter.io/developer/1723714758) |

## What reviewers say

### STGO2

[App page](https://appshunter.io/ios/app/stgo2/id1286613985)

Monitor your Securitytronix IP cameras, DVRs, and NVRs remotely. Easily set up live viewing and playback by scanning a QR code. Receive motion detection alerts and access timeline playback for your security footage.

**Highlights:** Remote camera monitoring, QR code setup, Live viewing, Remote playback, Motion detection alerts, Timeline playback

**Features:** macOS Compatibility

**In-app purchases:** none


### Anpviz Viewer

[App page](https://appshunter.io/ios/app/anpviz-viewer/id6478377508)

Access surveillance products like IP cameras and NVRs remotely. View live or recorded footage, receive alerts, and manage cloud devices from your mobile phone. Compatible with Anpviz H Series products.

**Highlights:** Remote access to surveillance products, View live and recorded video, Receive alarm notifications, Manage cloud devices, Compatible with Anpviz H Series

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STGO2 free?

STGO2 is free to download, with no in-app purchases.

### Is Anpviz Viewer free?

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

### Which has better reviews, STGO2 or Anpviz Viewer?

STGO2 is rated higher. STGO2 averages 4.5 out of 5 from 102 ratings, while Anpviz Viewer averages 3.0 from 4 ratings.

### Do STGO2 or Anpviz Viewer have ads?

Neither STGO2 nor Anpviz Viewer shows ads.

### Which is updated more often, STGO2 or Anpviz Viewer?

STGO2 ships an update every 16 months, and Anpviz Viewer every 9 months. Most recently, STGO2 was updated on August 15, 2026 and Anpviz Viewer on August 19, 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.*