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Best Open Ttd Apps & Games

132+ iOS apps & games curated and reviewed

4.1 avg rating
19 free apps & games
Updated August 2026

Looking for free open ttd apps and games? 19 of our 132+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Open Ttd Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TheoTownTheoTownFree4.8★ (17K)YesYesAug 2026
2Transport Tycoon LiteTransport Tycoon LiteFree3.3★ (133)NoNoAug 2026
3Tiny RailsTiny RailsFree4.6★ (6.2K)YesYesAug 2026
4CTMayor: City Builder SimCTMayor: City Builder SimFree3.8★ (41)YesYesAug 2026
5TFTPadTFTPadFree—NoNoMay 2026
6Cargo Train Drive SimulatorCargo Train Drive SimulatorFree3.5★ (4)NoNoMay 2026
7Fly Corp: Airline ManagerFly Corp: Airline ManagerFree4.4★ (11K)YesYesAug 2026
8Railroad Tycoon: Idle GameRailroad Tycoon: Idle GameFree4.3★ (461)NoYesAug 2026

Top Picks for Open Ttd

TheoTown#1

TheoTown by blueflower GmbH

Build and manage your own city
Editor's Choice
🎮 Games
4.8😊(17K ratings)
FreeAdsIn-App Purchases
TheoTown screenshot 1
TheoTown screenshot 2
TheoTown screenshot 3
TheoTown screenshot 4
TheoTown screenshot 5
TheoTown screenshot 6

Build and manage your own city from a small town to a sprawling metropolis. Design transportation networks, handle emergencies, and construct famous landmarks. Customize your city with user-created plugins.

What We Love

  • 🚀 Best city builder on mobile
  • 👍 Pixel art style and retro vibe
  • 🎨 Highly customizable with plugins
  • 💰 No microtransactions or ads

Room to Improve

  • 🐛 Occasional crashes and performance issues
  • 🔍 Lack of clear instructions and tutorials
  • 🎨 Outdated or basic graphics for some users
Transport Tycoon Lite#2

Transport Tycoon Lite by Atari

Strong Contender
🎮 Games
3.3😞(133 ratings)
Free
Transport Tycoon Lite screenshot 1
Transport Tycoon Lite screenshot 2
Transport Tycoon Lite screenshot 3
Transport Tycoon Lite screenshot 4
Transport Tycoon Lite screenshot 5

Manage your own transport company, building networks and moving cargo and passengers. Experience a deep simulation with a vast array of vehicles and dynamic environments. This version offers tutorials and scenarios to learn the ropes.

What We Love

  • 🚀 Vintage to modern transportation
  • 👍 Good game
  • 👍 Cool

Room to Improve

  • 🐛 Unplayable on newer devices
  • 🐛 Broken game
  • 🐛 Doesn't work
Tiny Rails#3

Tiny Rails by Trophy Games Canada Inc.

Tiny Train, Big Adventure!
Worth Considering
🎮 Games
4.6😊(6.2K ratings)
FreeAdsIn-App Purchases
Tiny Rails screenshot 1
Tiny Rails screenshot 2
Tiny Rails screenshot 3
Tiny Rails screenshot 4
Tiny Rails screenshot 5
Tiny Rails screenshot 6

Build a global train empire from a single engine to a multi-car masterpiece. Deliver passengers and cargo worldwide, customize your trains, and explore beautiful locations. Enjoy a relaxing retro pixel art experience that continues even when you're offline.

What We Love

  • 👍 Relaxing and enjoyable gameplay
  • 🚀 Addictive and hard to put down
  • 💎 Generous with in-game currency rewards
  • 🎨 Beautiful pixel art and visuals

Room to Improve

  • 🐛 Bugs and glitches, especially with crashes and progress loss
  • 💰 Monetization feels too aggressive, with high costs for upgrades
  • 🕰ī¸ Slow progression and long wait times for upgrades

More Open Ttd apps to explore

4
CTMayor: City Builder Sim
CTMayor: City Builder Sim
CTMayor: City Builder Sim
Transport & Roman Empire
Free

Engage in three unique city simulation experiences: govern an ancient Roman province, manage a modern metropolis with zoning and infrastructure, or build a sprawling 20th-century transport network. Each mode offers distinct challenges and objectives for aspiring city builders.

Ancient Rome city-buildingModern city managementTransport network simulation
🎮 Games
(41)
free with in-app purchases
5
TFTPad
TFTPad
TFTPad
by TFTLabs
Free

View and interact with 3D models on your mobile device. Upload your own CAD files to a private gallery for visualization and sharing, or explore public galleries. Supports various CAD formats and offers intuitive touch controls for zooming, rotating, and panning.

3D model visualizationIntuitive touch controlsPrivate JSON3D Gallery
📊 Productivity
(0)
free
6
Cargo Train Drive Simulator
Cargo Train Drive Simulator
Cargo Train Drive Simulator
Oil and Machinary Transport
Free

Experience the thrill of operating a heavy train, transporting vital cargo like oil, wood, and machinery. Navigate realistic environments and stations, ensuring timely deliveries while maintaining control of your powerful locomotive.

Realistic 3D EnvironmentsRealistic 3D Train TypesRealistic 3D Stations
🎮 Games
(4)
free
7
Fly Corp: Airline Manager
Fly Corp: Airline Manager
Fly Corp: Airline Manager
Run the world airport network!
Free

Develop a global airline empire by opening routes, buying and upgrading planes, and expanding airport capacity. Manage passenger flow and adapt to different global conditions to become the richest airline tycoon.

Develop global transport networkOpen new routesBuy and upgrade planes
🎮 Games
(11K)
free with in-app purchases
8
Railroad Tycoon: Idle Game
Railroad Tycoon: Idle Game
Railroad Tycoon: Idle Game
Build a Train Station Empire
Free

Manage and develop a train station from the ground up, starting with a single train. Expand your railway empire by launching new trains, building railroads, and upgrading existing infrastructure. Make smart deals to grow your territories and become the ultimate train station boss.

Manage and develop train stationsBuild new trains and railroadsUpgrade existing infrastructure
🎮 Games
(461)
free with in-app purchases
9
Theft City
Theft City
Theft City
Become A Street King!
Free

Take control of your character to cause chaos and earn money in the city. Upgrade your abilities, unlock new areas, and complete robbery missions. Explore diverse locations and engage in various activities with smooth animations and impressive graphics.

Upgrade various aspectsUnlock new landsComplete robbery missions
🎮 Games
(2.1K)
free with in-app purchases
10
CTMayor Premium
CTMayor Premium
CTMayor Premium
City Simulation
$3.99

Build and manage your dream city in this premium simulation game. Enjoy full access, no advertisements, and the ability to play offline. Design your metropolis without interruptions.

Full access to all game featuresNo advertisementsOffline play supported
🎮 Games
(1)
paid
11
OpenDocument Reader - view ODT
OpenDocument Reader - view ODT
OpenDocument Reader - view ODT
LibreOffice documents & PDF
Free

View and edit ODT, ODS, and ODP files on your mobile device. Seamlessly open documents from cloud storage or your device's file explorer, with support for password-protected files and keyword searching. Enjoy offline access and basic editing capabilities.

View ODT, ODS, ODP filesBasic document editingOpen from cloud storage
📊 Productivity
(895)
ad-supported
12
Cyber Dude: Dev Tycoon
Cyber Dude: Dev Tycoon
Cyber Dude: Dev Tycoon
Epic idle clicker adventure
Free

Embark on an epic idle adventure to become a tech mogul. Start as a QA tester, upgrade your computers, develop apps and games, and conquer new planets. Collect legendary items and fight viruses on your journey to universal genius.

Career progressionComputer upgradesApp and game development
🎮 Games
(17K)
free with in-app purchases
13
PSD Viewer: Open & View Files
PSD Viewer: Open & View Files
PSD Viewer: Open & View Files
Photoshop & PSB File Inspector
Free

Inspect Adobe Photoshop (.psd) and large document (.psb) files directly on your mobile device. View individual layers, use precision measurement tools, and sample colors. Annotate designs and switch between units and modes.

Open PSD & PSB filesLayer panel with visibility togglePrecision measurement tools
🎨 Graphics & Design
(1)
free with in-app purchases
14
Tmux Term
Tmux Term
Tmux Term
SSH & tmux remote client
Free
🛠ī¸ Developer Tools
(0)
15
Audify read aloud web browser
Audify read aloud web browser
Audify read aloud web browser
ePub PDF text to speech TTS
Free

This app combines a web browser with text-to-speech capabilities, allowing you to listen to web pages, PDFs, and ePubs. It offers features like adjustable reading speed, multiple voices, and eye-care modes to enhance your reading experience.

Read aloud web pages (HTML)Read aloud eBooks (ePub, PDF)Adjustable speech rate and voices
📊 Productivity
(108)
free with in-app purchases
16
RTF Write
RTF Write
RTF Write
Create, Open, Save RTF Files
Free

Create and edit Rich Text Format (RTF) and PDF documents on iOS and macOS. Features include iCloud synchronization, rich text styling, and PDF viewing, creation, and annotation tools. Easily manage and share your documents across devices.

iCloud document synchronizationRTF/RTFD read/write supportPDF viewing, creation, and annotation
đŸ’ŧ Business
(1)
free with in-app purchases
17
aiSpeech: AI Speech & Chat
aiSpeech: AI Speech & Chat
aiSpeech: AI Speech & Chat
AI text to speech & chatting
Free

This app transforms written text into spoken audio, allowing you to listen to articles and documents. It offers a wide range of languages and customizable playback options, providing a hands-free way to consume content. Additionally, it includes AI chat functionality.

Text to speech conversionOffline playbackSupports 30+ languages
🔍 Reference
(260)
free with in-app purchases
18
TTReader - Text Reader, OCR
TTReader - Text Reader, OCR
TTReader - Text Reader, OCR
txt, TTS, OCR
Free

This application allows you to read text from various document formats, including images, EPUB, and PDF. It offers advanced text-to-speech (TTS) features with customizable speed and line reading, along with OCR capabilities to extract text from images. Enhance your reading experience with extensive UI customization and cloud integration.

Text-to-Speech (TTS) with adjustable speedOCR for image and document text extractionConvert EPUB and PDF to text
📚 Books
(10)
free with in-app purchases
19
PPSX Converter Reader
PPSX Converter Reader
PPSX Converter Reader
PPSX PPTX PPT Reader Converter
Free
🔧 Utilities
(0)
20
Play Text (TTS)
Play Text (TTS)
Play Text (TTS)
Read aloud, word by word
Free
📊 Productivity
(0)

FAQ about Open Ttd

What are the best open ttd apps & games for iPhone?
TheoTown tops our open ttd apps & games ranking as of August 2026, with a 4.8-star average from 17K App Store ratings, and it's free to download.
Yes — 19 of the top open ttd apps & games we rank are free to download, including TheoTown and Transport Tycoon Lite.
TheoTown shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 132+ open ttd apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
TheoTown is a city building and management simulation game. Players take on the role of a city builder to create and manage their own cities, from small towns to large metropolises. The game allows for extensive customization and strategic planning.
Key features include building and managing multiple cities, designing complex transportation networks with various vehicle options, tackling emergency events like natural disasters and crime, and constructing famous world landmarks. The game also supports user-created plugins for added content.