# VIPER EXPERT vs ST

The clearest difference is review sentiment: VIPER EXPERT at 42% against ST's 0%. ST's advantage is update cadence (every 2 months vs every 48 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VIPER EXPERT ships an update every 48 months, ST every 2 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | VIPER EXPERT | ST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/viper-expert/id1486572441/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **41.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 46 MB | 126 MB |
| Requires iOS | 10.1 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sergei Fetisov](https://appshunter.io/developer/1410631641) | [维林 李](https://appshunter.io/developer/1102738840) |

## What reviewers say

### VIPER EXPERT

[App page](https://appshunter.io/ios/app/viper-expert/id1486572441)

Connect to your dashcam via Wi-Fi to fully control its settings and view live footage. Browse, save, delete, and share photos and videos directly from your phone.

**Highlights:** Wi-Fi dashcam connection, Full device control, Live view streaming, Media browsing, Save and delete files, Share media via social networks

**Features:** macOS Compatibility

**In-app purchases:** none


### ST

[App page](https://appshunter.io/ios/app/st-vs/id1532709971)

Monitor your home remotely from your phone. View live video, communicate with two-way audio, and share access with family members. Discover more features designed for peace of mind.

**Highlights:** Real-time remote viewing, Two-way audio communication, Equipment sharing with family, Temperature monitoring, Live video feed

**In-app purchases:** none


## Frequently asked questions

### Is VIPER EXPERT free?

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

### Is ST free?

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

### Do VIPER EXPERT or ST have ads?

Neither VIPER EXPERT nor ST shows ads.

### Which is updated more often, VIPER EXPERT or ST?

VIPER EXPERT ships an update every 48 months, and ST every 2 months. Most recently, VIPER EXPERT was updated on October 2, 2026 and ST on October 4, 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.*