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Best Z21 Apps

108+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated August 2026

Out of 108+ z21 apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Z21 Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Z21Z21Free3.8★ (13)NoYesJul 2026
2Z21UpdaterZ21UpdaterFree5.0★ (1)NoNoMay 2026
3Z21 mobileZ21 mobileFree4.4★ (5)NoNoMay 2026
4KTVZ Local Alert Weather AppKTVZ Local Alert Weather AppFree2.7★ (17)YesNoAug 2026
5Model Train ScriptModel Train ScriptFree—NoYesJul 2026
6Train DriverTrain DriverFree3.2★ (5)NoNoMay 2026
7Oracle Java SE 21 DeveloperOracle Java SE 21 DeveloperFree—NoYesAug 2026
8DigiTrainsProDigiTrainsProFree5.0★ (1)NoNoMay 2026

Top Picks for Z21

Z21#1

Z21 by Modelleisenbahn GmbH

Editor's Choice
🌟 Lifestyle
3.8😐(13 ratings)
FreeIn-App Purchases
Z21 screenshot 1
Z21 screenshot 2
Z21 screenshot 3
Z21 screenshot 4
Z21 screenshot 5

Control your model train layout and locomotives wirelessly from your iOS device. Manage your locomotive library, program digital components, and operate switches and signals with an intuitive touch interface. Enjoy a realistic train control experience with customizable driver cabs.

What We Love

  • 👍 Intuitive and user-friendly interface
  • 🚀 Fast and reliable locomotive control
  • 💡 Innovative layout design with schematic control station
  • 🎨 Clean, modern orange and black design

Room to Improve

  • 🐛 Frequent app crashes and freezes
  • 🔌 Connection drops to Z21 control station
  • ⚠️ White screen startup issues in recent updates
Z21Updater#2

Z21Updater by Modelleisenbahn GmbH

Strong Contender
🌟 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.

Z21 mobile#3

Z21 mobile by Modelleisenbahn GmbH

Worth Considering
🌟 Lifestyle
4.4(5 ratings)
Free
Z21 mobile screenshot 1
Z21 mobile screenshot 2
Z21 mobile screenshot 3

Control your model train layout and locomotives from your iOS device. Manage your locomotive library, program digital components, and operate trains with touch controls. A demo mode is available.

More Z21 apps to explore

4
KTVZ Local Alert Weather App
KTVZ Local Alert Weather App
KTVZ Local Alert Weather App
by News-Press & Gazette Company
Free

Receive real-time weather updates, detailed forecasts, and severe weather alerts for the High Desert region. Features high-resolution radar, future radar, and customizable location saving.

250 meter high-resolution radarFuture radar for severe weather trackingHigh-resolution satellite imagery
☀️ Weather
(17)
ad-supported
5
Model Train Script
Model Train Script
Model Train Script
Model Train Automation
Free
🌟 Lifestyle
(0)
6
Train Driver
Train Driver
Train Driver
Drive digital locomotives
Free

Control digital model trains with your mobile device. Supports multiple protocols and up to three locomotives simultaneously for an immersive model railway experience.

Digital locomotive controlSupports multiple digital centralsUp to 3 locomotives supported
🎬 Entertainment
(5)
free
7
Oracle Java SE 21 Developer
Oracle Java SE 21 Developer
Oracle Java SE 21 Developer
1Z0-830 Exam Prep
Free
📚 Education
(0)
8
DigiTrainsPro
DigiTrainsPro
DigiTrainsPro
by Balazs Gyori
Free

Control your model railroad layout wirelessly from your iPhone or iPad. Manage locomotives, accessories, and create complex routes with intuitive touch controls. Supports multiple trains and digital command centers.

Wireless locomotive control via WiFiManage speed, direction, and featuresAccessory control (turnouts, signals)
🔧 Utilities
(1)
free
9
Z64
Z64
Z64
Smart home
Free
🌟 Lifestyle
(0)
10
Zillow Real Estate & Rentals
Zillow Real Estate & Rentals
Zillow Real Estate & Rentals
Buy & Sell Homes & Apartments
Free

Explore homes and apartments with advanced tools like 3D tours and virtual staging. Estimate your buying budget, connect with agents, and manage the entire home buying or renting process seamlessly. Find your perfect place faster.

3D home toursVirtual stagingBuyAbility score estimation
🌟 Lifestyle
(7.2M)
ad-supported
11
Realtor.com Real Estate & Rent
Realtor.com Real Estate & Rent
Realtor.com Real Estate & Rent
Find Homes for Sale & Rentals
Free

Discover millions of homes for sale and rent with advanced search filters, interactive maps, and detailed property information. Visualize homes with 3D tours and collaborate with others on your search. Stay informed with timely alerts and manage your budget with built-in calculators.

Advanced search filtersInteractive map search3D home tours
🌟 Lifestyle
(1.1M)
ad-supported
12
Otelz - 21.000+ Türkiye Hotels
Otelz - 21.000+ Türkiye Hotels
Otelz - 21.000+ Türkiye Hotels
Book in Seconds - Pay Later
Free

Easily book hotels, villas, and apartments across Turkey. Find affordable deals, compare prices, and read guest reviews. Enjoy flexible booking options with no prepayment required and free cancellation.

Book hotels, villas, apartmentsOver 20,000 propertiesRead guest reviews
✈️ Travel
(58)
free with in-app purchases
13
SrcpClient
SrcpClient
SrcpClient
SRCP Client for iOS
Free

Control your model trains remotely with this mobile application. It supports multiple locomotives simultaneously and offers intuitive speed and function control. Connects to various control center protocols.

Control up to 3 locomotives simultaneouslyIntuitive speed sliderAccess all locomotive functions via buttons
🎬 Entertainment
(2)
free
14
Forever 21
Forever 21
Forever 21
Shop the latest trends!
Free

Discover the latest fashion trends and exclusive deals with this shopping app. Enjoy personalized style recommendations, early access to sales, and convenient shopping features. Get instant alerts for new arrivals and restocks.

App-only exclusivesEarly access to salesPersonalized style recommendations
🛍️ Shopping
(474K)
free
15
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
16
Z Aesthetic
Z Aesthetic
Z Aesthetic
by ZA Advance Sdn Bhd
Free
💪 Health & Fitness
(0)
17
Pacwyn 21 - Draft and Packs
Pacwyn 21 - Draft and Packs
Pacwyn 21 - Draft and Packs
Football, Draft, Packs, SBC
Free

Engage in a football pack opener game with a robust squad building challenge system. Improve your team, compete in online matches, and participate in tournaments to earn rewards and climb leaderboards. Trade with other users and complete daily mini-games for additional benefits.

Pack opening systemSquad building challengesOnline matches
⚽ Sports
(90)
free with in-app purchases
18
WMaster Zip-7Z,RAR archiver
WMaster Zip-7Z,RAR archiver
WMaster Zip-7Z,RAR archiver
Open archives & compress files
Free
🔧 Utilities
(0)
19
RailPilot
RailPilot
RailPilot
Control model railroad via app
Free
🔧 Utilities
(0)
20
ZARA
ZARA
ZARA
by Industria de Diseno Textil, S.A.
Free

Browse and shop the latest fashion collections for women, men, and kids. Discover new arrivals, save items to your favorites, track orders, and find nearby stores. Enhance your in-store shopping with special features.

Shop Woman, Man, and Kids collectionsView new collections and fashion campaignsSave items to favorites list
🛍️ Shopping
(413K)
free with in-app purchases

FAQ about Z21

What are the best z21 apps for iPhone?
Z21 tops our z21 apps ranking as of August 2026, with a 3.8-star average from 13 App Store ratings, and it's free to download.
Yes — 20 of the top z21 apps we rank are free to download, including Z21 and Z21Updater.
Z21 has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 108+ z21 apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Z21 app allows you to wirelessly control your model train layout and locomotives using your iOS device. It connects to a Z21 Digital Center via WLAN, enabling you to manage your locomotive library, program digital components, and operate switches and signals with an intuitive touch interface.
Key features include wireless control of locomotives and the entire layout, management of a locomotive library with custom images, programming of digital components, an intuitive graphic interface for controlling switches and signals, and the ability to download driver cabs for a realistic train driver's point of view.

Related searches

z21 mobilez21updaterz21 ventures, llc