# Видеонаблюдение и Умный дом vs ZT

The clearest difference is rating: ZT at 4.6 against Видеонаблюдение и Умный дом's 3.5. ZT also leads on ratings volume (285 vs 31) and iOS requirement (12.0 vs 15.0). Видеонаблюдение и Умный дом's advantage is review sentiment (47% vs 18%). 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.

ZT holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: ZT has 285 ratings behind it against 31, so its average is the more settled of the two. Written reviews complicate that: 47% of Видеонаблюдение и Умный дом's written reviews are positive against 18% of ZT's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Видеонаблюдение и Умный дом | ZT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (31 ratings)](https://appshunter.io/ios/app/id1205946608/reviews) | **[4.6 (285 ratings)](https://appshunter.io/ios/app/zt/id1214656147/reviews)** |
| Number of ratings | 31 | **285** |
| Positive reviews | **47.1% of reviews** | 18.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 242 MB | 121 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PJSC Rostelecom](https://appshunter.io/developer/428474472) | [ZTK, OOO](https://appshunter.io/developer/1577726159) |

## What reviewers say

### Видеонаблюдение и Умный дом

[App page](https://appshunter.io/ios/app/id1205946608)

This application allows you to remotely monitor and control your smart home devices and view live or recorded footage from security cameras. Receive instant notifications about events and manage your home environment from anywhere.

**Highlights:** Online and recorded video viewing, Create and download video clips, Scenario-based recording, Push-to-talk voice messaging via camera, Boundary crossing detection, Remote sensor monitoring and control, Home mode switching

**Features:** macOS Compatibility

**In-app purchases:** none


### ZT

[App page](https://appshunter.io/ios/app/zt/id1214656147)

Connect with incarcerated individuals through a comprehensive mobile service. Send letters, photos, make audio/video calls, and transfer funds. Offers entertainment options like puzzles and games to enrich communication.

**Highlights:** Send electronic letters and photos, Make audio and video calls, Transfer money to inmate accounts, Add puzzles and games to letters, Instant printing at correctional facilities

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Видеонаблюдение и Умный дом free?

Видеонаблюдение и Умный дом is free to download, with no in-app purchases.

### Is ZT free?

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

### Which has better reviews, Видеонаблюдение и Умный дом or ZT?

ZT is rated higher. Видеонаблюдение и Умный дом averages 3.5 out of 5 from 31 ratings, while ZT averages 4.6 from 285 ratings.

### Do Видеонаблюдение и Умный дом or ZT have ads?

Neither Видеонаблюдение и Умный дом nor ZT shows ads.

### Which is updated more often, Видеонаблюдение и Умный дом or ZT?

Видеонаблюдение и Умный дом ships an update every 3 weeks, and ZT every 3 weeks. Most recently, Видеонаблюдение и Умный дом was updated on November 4, 2026 and ZT on November 2, 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.*