Easily update your Z21, z21, z21start, and smartRail devices. The app automatically detects connected hardware and fetches the latest firmware directly from the server when online, simplifying the update process.
Z21Updater by Modelleisenbahn GmbH



149+ iOS apps & games curated and reviewed
Looking for free z21updater apps and games? 20 of our 149+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | No | May 2026 | |
| 2 | Free | 4.9★ (107K) | Yes | No | Aug 2026 | |
| 3 | Free | 4.7★ (112) | No | No | Aug 2026 | |
| 4 | Free | 1.6★ (5) | No | No | May 2026 | |
| 5 | Free | 5.0★ (1) | No | No | May 2026 | |
| 6 | Free | 1.0★ (1) | No | No | Aug 2026 | |
| 7 | Free | 4.9★ (91) | No | No | Aug 2026 | |
| 8 | Free | 1.5★ (484) | No | No | Aug 2026 |



Easily update your Z21, z21, z21start, and smartRail devices. The app automatically detects connected hardware and fetches the latest firmware directly from the server when online, simplifying the update process.




Discover the latest menswear trends and shop a wide range of styles, from streetwear to formal wear. Get exclusive deals, track your orders live, and save your favorite looks for later. Update your wardrobe with fresh seasonal selections and trending outfits.





Manage your ZimaOS from your mobile device. Monitor operations, execute applications, and review files remotely. Prioritizes data privacy and sovereignty for users.


Control your Z-Wave smart home devices, including lights, heating, and door locks. Monitor sensors and manage multiple homes from a single interface. Supports both local and remote access.


This utility app allows for real-time monitoring and system firmware updates for specific products. It serves as a direct communication channel for users to receive the latest information from the developer.


This utility app assists in the installation and configuration of ZTE's outdoor 4G/5G wireless routers. It uses an intelligent algorithm to detect and analyze network signal strength, guiding users to the optimal placement and orientation for their CPE device.


Experience early 1980s home computing with this app dedicated to the Sinclair ZX80 and ZX81. It includes a wealth of example software, offering a nostalgic journey into the origins of personal computing.


This application is designed exclusively for Zmodo new IP cameras that utilize QR code scanning for setup. It facilitates the connection and management of these specific camera models.




Monitor your Zabbix server events and status directly from your mobile device. View triggers, graphs, host status, and browse through groups and hosts. Receive push notifications for important events and manage multiple Zabbix instances with ease.


Manage and monitor your smart home devices from anywhere. Organize your system on a personalized home screen for quick access to essential controls. Requires Z-Box ID and cloud services for remote functionality.




Control and customize your smart headphone bin with this app. Set personalized dials, create QR code business cards, and receive health reminders. It also allows for firmware upgrades and integrates with your phone for weather and camera functions.




Manage and control your equipment directly through this application. It offers essential functions for equipment distribution networks, including basic information and operational control. Access is secured via email verification or password login.


Access a comprehensive Zilog Z80 opcode reference with a user-friendly interface. View detailed command overviews, categorized and color-coded, with fully documented sample code for each opcode. Designed for ease of use and visual appeal, it's an ideal companion for Z80 programming.


This cloud-based IoT platform integrates access control, time and attendance, and an approval center for small to medium-sized businesses. It enhances operational efficiency and connectivity, offering a scalable solution without significant upfront IT investment.


This tool simplifies the setup of Z-Wave devices for your smart home. It allows you to easily add, remove, and name devices directly from your phone or tablet. Once configured, you can manage advanced settings through your HomeSeer web interface.


This application connects to a smart gimbal to automatically track subjects and adjust the camera angle. It allows users to free their hands for an optimal video recording or live broadcast experience.


This utility app helps manage and update specific hardware devices. It ensures your connected equipment is running the latest firmware for optimal performance and security. The application is designed for users who need to maintain their hardware efficiently.