# UNDOK vs Z

The clearest difference is update cadence: UNDOK at every 6 weeks against Z's every 8 months. UNDOK also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

UNDOK ships an update every 6 weeks, Z every 8 months. The most recent releases landed on September 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | UNDOK | Z |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (207 ratings)](https://appshunter.io/ios/app/undok/id940349372/reviews)** | — |
| Number of ratings | **207** | — |
| Positive reviews | 55.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 45 MB | 21 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frontier Smart Technologies Ltd](https://appshunter.io/developer/386290316) | [J-Tech Digital, Inc](https://appshunter.io/developer/1147761166) |

## What reviewers say

### UNDOK

[App page](https://appshunter.io/ios/app/undok/id940349372)

Easily connect and control your compatible SmartRadio or connected speaker. Set up new devices, manage your home audio system, and access various audio sources like internet radio and streaming services.

**Highlights:** Wireless network connection, Device setup and management, Remote control of audio functions, Source selection (Internet Radio, DAB, Bluetooth, etc.), Volume and playback control, Access to presets, Spotify Connect integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Z

[App page](https://appshunter.io/ios/app/z-net/id1437704849)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UNDOK free?

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

### Is Z free?

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

### Do UNDOK or Z have ads?

Neither UNDOK nor Z shows ads.

### Which is updated more often, UNDOK or Z?

UNDOK ships an update every 6 weeks, and Z every 8 months. Most recently, UNDOK was updated on September 26, 2026 and Z on September 15, 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.*