# ZT vs Мой умный дом.

The clearest difference is rating: ZT at 4.7 against Мой умный дом.'s 4.2. ZT also leads on review sentiment (19% vs 6%) and iOS requirement (12.0 vs 16.0). On price, ratings volume, update cadence and ads 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, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 282 and 594 respectively. Written reviews point the same way: 19% of ZT's written reviews are positive against 6% of Мой умный дом.'s.

ZT ships an update every 3 weeks, Мой умный дом. monthly. Both last shipped on October 26, 2026.

## The numbers

| Metric | ZT | Мой умный дом. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (282 ratings)](https://appshunter.io/ios/app/zt/id1214656147/reviews)** | [4.2 (594 ratings)](https://appshunter.io/ios/app/id1284483769/reviews) |
| Number of ratings | 282 | **594** |
| Positive reviews | **19.4% of reviews** | 6.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 121 MB | 200 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ZTK, OOO](https://appshunter.io/developer/1577726159) | [Ufanet AO](https://appshunter.io/developer/951623951) |

## What reviewers say

### 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


### Мой умный дом.

[App page](https://appshunter.io/ios/app/id1284483769)

Manage your smart home devices, including intercoms, video surveillance, and sensors, all from one app. Control access, view live feeds, and receive alerts for events like leaks or motion. Track utility consumption with detailed graphs.

**Highlights:** Facial recognition entry for intercoms, Remote door unlocking via app, Video calls from intercoms, Live and archived video surveillance, Smart sensors for leaks, motion, and more, Remote utility meter readings

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZT free?

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

### Is Мой умный дом. free?

Мой умный дом. is free to download, with no in-app purchases.

### Which has better reviews, ZT or Мой умный дом.?

ZT is rated higher. ZT averages 4.7 out of 5 from 282 ratings, while Мой умный дом. averages 4.2 from 594 ratings.

### Do ZT or Мой умный дом. have ads?

Neither ZT nor Мой умный дом. shows ads.

### Which is updated more often, ZT or Мой умный дом.?

ZT ships an update every 3 weeks, and Мой умный дом. monthly. Most recently, ZT was updated on October 26, 2026 and Мой умный дом. on October 26, 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.*