Best Z21Updater Apps

149+ iOS apps curated and reviewed

3.4 avg rating
20 free apps
Updated May 2026

Looking for free z21updater apps? 20 of our 149+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Z21Updater Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Z21UpdaterZ21UpdaterFree5.0★ (1)NoNoMay 2026
2ZmodoZmodoFree2.3★ (2.8K)NoYesJul 2026
3ZsightZsightFree1.5★ (477)NoNoJul 2026
4ZArchiver: UnZip, UnRar, 7ZZArchiver: UnZip, UnRar, 7ZFree4.4★ (568)YesYesJul 2026
5zwsvibezwsvibeFree3.4★ (43)YesYesJul 2026
6ZTELinkZTELinkFree2.6★ (14)NoNoJul 2026
7BOOHOOMAN: Shop Men’s ClothingBOOHOOMAN: Shop Men’s ClothingFree4.9★ (106K)YesNoJul 2026
8ZwaveZwaveFree1.5★ (8)NoNoJul 2026

Top Picks for Z21Updater

Z21Updater#1

Z21Updater by Modelleisenbahn GmbH

Editor's Choice
🌟 Lifestyle
5.0(1 ratings)
Free
Z21Updater screenshot 1
Z21Updater screenshot 2
Z21Updater screenshot 3

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.

Zmodo#2

Zmodo by EP Technology Corporation USA

Strong Contender
🌟 Lifestyle
2.3😞(2.8K ratings)
FreeIn-App Purchases
#50in Lifestyle
Zmodo screenshot 1
Zmodo screenshot 2
Zmodo screenshot 3
Zmodo screenshot 4
Zmodo screenshot 5
Zmodo screenshot 6

Control a variety of smart home products and connect with loved ones. Offers cloud services for enhanced connectivity and security. Manage your smart home devices remotely.

What We Love

  • 🚀 Easy to set up
  • 🔒 Decent security features
  • 👍 Good value for money
  • 👍 Reliable connection

Room to Improve

  • 🐛 Frequent app crashes
  • 🐛 Unreliable motion detection
  • 🐛 Laggy and slow performance
Zsight#3

Zsight by EP Technology Corporation USA

Worth Considering
💼 Business
1.5😞(477 ratings)
Free
Zsight screenshot 1
Zsight screenshot 2
Zsight screenshot 3
Zsight screenshot 4

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.

What We Love

  • 👍 Easy to set up
  • 🚀 Decent video quality
  • 💡 Useful motion detection alerts

Room to Improve

  • 🐛 Frequent app crashes
  • 🔍 Unreliable remote access
  • 🕰️ Slow video playback

More Z21Updater apps to explore

4
ZArchiver: UnZip, UnRar, 7Z
ZArchiver: UnZip, UnRar, 7Z
ZArchiver: UnZip, UnRar, 7Z
7Z, Zip, Rar and ZArchive
Free

This app allows users to extract and create various archive file formats including ZIP, RAR, and 7Z. It supports password-protected archives, batch decompression, and helps save storage space. Secure your files with password protection and share them easily.

Extract ZIP, RAR, 7Z, TAR filesCreate ZIP, RAR, 7Z archivesPassword-protected archives
🔧 Utilities
(568)
free with in-app purchases
5
zwsvibe
zwsvibe
zwsvibe
by SHENZHEN ZHONGWEI INTELLIGENT INFORMATION TECHNOLOGY CO.,Ltd
Free

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.

Personalized headphone bin dialQR code business card setupHealth reminders
🔧 Utilities
(43)
free with in-app purchases
6
ZTELink
ZTELink
ZTELink
by ZTE CORPORATION
Free

Manage your ZTE wireless routers and CPE/Ufi devices. Control your home network, set up parental controls, and manage guest networks. Block unauthorized users from accessing your Wi-Fi.

Manage home networkCheck network statusParental control
🔧 Utilities
(14)
free
7
BOOHOOMAN: Shop Men’s Clothing
BOOHOOMAN: Shop Men’s Clothing
BOOHOOMAN: Shop Men’s Clothing
Menswear Fashion Shopping
Free

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.

Latest menswear stylesStreetwear and tracksuitsLive order tracking
🛍️ Shopping
(106K)
free with in-app purchases
8
Zwave
Zwave
Zwave
by Moztec Inc
Free

This application allows users to easily control compatible home alarm systems with GSM switches. It automates the process of sending SMS commands, eliminating the need for manual text input. The app is designed for convenient remote system management.

Remote system controlGSM switch compatibilitySMS command automation
🔧 Utilities
(8)
free
9
Search across Zoho- Zia Search
Search across Zoho- Zia Search
Search across Zoho- Zia Search
One app to search across Zoho
Free

Unify your search across over 20 Zoho applications, including CRM, Mail, and Desk. Find information quickly with a powerful relevance algorithm, refined filters, and the ability to act directly on search results. Personalize your search experience by reordering apps and saving frequent queries.

Search across 20+ Zoho appsPowerful relevance algorithmRefine search with filters
📊 Productivity
(17)
free
10
Z-wave Home Mate
Z-wave Home Mate
Z-wave Home Mate
by Philio Technology Corp.
Free

Transform your home into a smart, connected, and secure environment with this intuitive system. It offers a simple plug-and-play setup for easy installation, integrating various smart home devices into a single, user-friendly application.

Home security integrationPower saving featuresConvenient lifestyle enhancements
🌟 Lifestyle
(24)
free
11
OBD2 Scanner ELM327: GaragePro
OBD2 Scanner ELM327: GaragePro
OBD2 Scanner ELM327: GaragePro
OBD Scanning at turbo speed!
Free

This app provides comprehensive OBD scanning for vehicles, allowing users to read and clear fault codes from various ECUs, monitor live sensor data, and perform special functions like DPF regeneration and injector coding. It supports over 100 vehicle makes and offers detailed reports and diagnostic assistance.

Read and delete fault codes from any ECUMonitor over 200 live sensor data pointsPerform special OBD functions
🔧 Utilities
(15)
free with in-app purchases
12
Zoho One Admin
Zoho One Admin
Zoho One Admin
All-in-one admin console
Free

Manage your organization's Zoho One account from your mobile device. Onboard users, monitor devices, approve requests, and receive instant notifications to stay in control of your business operations on the go.

Manage organization detailsOnboard and manage usersView and manage linked devices
💼 Business
(9)
free
13
Zidoo Controller
Zidoo Controller
Zidoo Controller
Zidoo media controller
Free

Easily control your Zidoo media player directly from your phone. Access a file manager, manage applications, control music playback, and adjust system settings. This app provides a comprehensive remote control experience for your Zidoo device.

File managerApplication managementMusic control
🔧 Utilities
(7)
free
14
Instagram
Instagram
Instagram
Videos, creators & friends
Free

Connect with friends and discover new content through photos, videos, and short-form entertainment. Share your daily moments and life's highlights, or dive into personalized feeds based on your interests.

Short-form video creation and discovery (Reels)Ephemeral content sharing (Stories & Notes)Private group chats (Close Friends)
📷 Photo & Video
(29M)
free with in-app purchases
15
Zima Client
Zima Client
Zima Client
NAS & Private Cloud
Free

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

Remote ZimaOS managementMonitor operational statusExecute deployed applications
🔧 Utilities
(72)
free
16
Z-Tool+
Z-Tool+
Z-Tool+
by HomeSeer
Free

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.

Include Z-Wave devicesExclude Z-Wave devicesName Z-Wave devices
🌟 Lifestyle
(17)
free
17
Zagreus
Zagreus
Zagreus
Self-Hosted Media Controller
Free

This open-source controller integrates with various self-hosted media software for a seamless experience. It offers powerful discovery features, indexer searching, and remote control capabilities for your media servers.

Open-source controllerIntegrates with Trakt and TMDBSupports Radarr, Sonarr, Lidarr, etc.
🔧 Utilities
(14)
freemium
18
Z-Wave.Me
Z-Wave.Me
Z-Wave.Me
For RaZberry and Z-Way
Free

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.

Control Z-Wave devicesManage lights, heating, door locksMonitor smart home sensors
🌟 Lifestyle
(5)
free
19
AIRSTEP Updater
AIRSTEP Updater
AIRSTEP Updater
by XSONIC Inc.
Free

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.

Device firmware managementUpdate functionalityHardware synchronization
🔧 Utilities
(10)
free
20
ZBX Viewer
ZBX Viewer
ZBX Viewer
Zabbix Viewer
Free

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.

View TriggersView GraphsView Host Status
🔧 Utilities
(14)
free

FAQ about Z21Updater

What are the best z21updater apps for iPhone?
Z21Updater tops our z21updater apps ranking as of May 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 20 of the top z21updater apps we rank are free to download, including Z21Updater and Zmodo.
Z21Updater has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 149+ z21updater apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Z21Updater supports the Z21, z21, z21start, and smartRail digital train control systems. The app automatically recognizes these connected devices for a seamless update experience.
When connected to the internet, Z21Updater directly queries the server for new updates. It then applies these updates to your connected Z21, z21, z21start, or smartRail device, making the process very simple and functional.