# ZT vs Nash dom

The clearest difference is in-app purchases: ZT at none against Nash dom's 1. ZT also leads on iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Nash dom sells 1 in-app purchase, starting at $0.99 per month. ZT asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for ZT against 4.6 for Nash dom. Both are backed by a comparable volume of ratings — 212 and 526 respectively. Written reviews are what separate them: 11% of ZT's written reviews are positive against 16% of Nash dom's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 24, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | ZT | Nash dom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (212 ratings)](https://appshunter.io/ios/app/zt/id1214656147/reviews) | [4.6 (526 ratings)](https://appshunter.io/ios/app/nash-dom/id1371300967/reviews) |
| Number of ratings | 212 | **526** |
| Positive reviews | 11.1% of reviews | **15.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 121 MB | 409 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZTK, OOO](https://appshunter.io/developer/1577726159) | [Sputnik.Systems](https://appshunter.io/developer/1371300966) |

## 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


### Nash dom

[App page](https://appshunter.io/ios/app/nash-dom/id1371300967)

Manage smart apartment building functions, including intercom access, live camera feeds, and payment for services. Residents can control doors remotely, view security cameras, and access call history. The app offers convenience for managing guests, couriers, and home security.

**Highlights:** Remote intercom control, Live camera streaming, Temporary guest codes, Intercom call history, Service payment integration, Video archive download

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "Standard" (1 month) | $0.99 | per month |

**What reviewers like**

- 👍 Remote door access convenience
- 📱 Mobile app-based control
- ⭐ Positive user experiences when working properly

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- ⏱️ Extremely slow loading times
- 🔌 Unreliable connectivity issues
- 📹 Video feed constantly lags or fails to load
- 🔐 Door unlock button frequently unresponsive

**Reported bugs**

- App crashes on startup with black screen
- Incoming doorbell calls don't trigger app notification
- Video feed freezes during active calls
- Door unlock button unresponsive or requires multiple taps
- App logs out user repeatedly during calls

**Requested features**

- Custom access codes that don't change monthly
- Multiple address/property support in single account
- Offline mode for basic door unlock functionality
- Apple Watch app version
- Faster loading with minimal internet requirement


## Frequently asked questions

### Is ZT free?

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

### Is Nash dom free?

Nash dom is free to download, with in-app purchases available.

### Which has better reviews, ZT or Nash dom?

ZT and Nash dom are both rated 4.6 out of 5 on the App Store, from 212 and 526 ratings respectively.

### Do ZT or Nash dom have ads?

Neither ZT nor Nash dom shows ads.

### Which is updated more often, ZT or Nash dom?

ZT ships an update every 3 weeks, and Nash dom every 3 weeks. Most recently, ZT was updated on September 24, 2026 and Nash dom on September 27, 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.*