Booking System Development Agency
Onix is a booking software development company helping businesses run smooth operations and deliver easy customer booking. We focus on booking system development that simplifies reservations, automates payments and scheduling, and removes manual work from your daily operations.
Trusted by clients worldwide
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talented developers and
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Online booking system development services we offer
We provide booking application development services to digitize your internal and external processes, helping your business thrive and grow. The Onix travel booking software developers build secure, scalable, and high-performing custom booking software that reduces administrative work, provides your customers with an exceptional booking experience, and, as a result, levels up your business!
Custom online scheduling and booking systems
Custom online scheduling and booking systemsUsing state-of-the-art technologies, we build custom booking software tailored to your unique business goals and needs. Our specialists provide reservation and booking software development services to create a reliable solution with enhanced features tailored to your specific industry, regardless of the project's complexity, requirements, or scale.
Mobile booking solutions
Mobile booking solutionsWe build workable and prosperous mobile apps that offer your business unique opportunities to reach out to and serve customers throughout their journey. Onix has extensive experience developing techno-driven iOS and Android apps with advanced features to engage customers, enhance business performance, and provide a convenient user experience.
AI-powered booking solutions
AI-powered booking solutionsWe leverage artificial intelligence to make your booking system smarter, faster, and more personalized. From predictive scheduling and dynamic pricing to AI-driven recommendations and chatbots, our team implements intelligent features that enhance the user experience, optimize operations, and increase conversions across your platform.
Booking system rescue and optimization
Booking system rescue and optimizationIf your current booking software is outdated, underperforming, or facing technical issues, our experts can step in to rescue and revitalize it. As a booking app development company, we conduct a thorough audit, identify bottlenecks, fix critical problems, and implement improvements to stabilize, optimize, and scale your system, ensuring your operations run smoothly and reliably.
Third-party integrations
Third-party integrationsIt's an excellent opportunity to connect data streams and functionalities between different software products in one place and let users try them without switching apps. We ensure smooth and seamless third-party integration of different types, such as ERP, travel booking API, CRM, flight search and booking API, payment services like Paypal or Stripe, etc.
Booking system upgrade and customization
Booking system upgrade and customizationOur specialists will gladly assist you in updating your custom online booking software and adding more advanced features to meet current market demand and beat competitors. We provide a free audit of your current solution, prepare a list of improvements, manage your technology needs, conduct a UI/UX audit, implement new functionality, and integrate required APIs.
Our online booking system development experience
Onix helps businesses across industries build an online booking system for website and a mobile booking solution that are reliable, easy to use, and perfectly tailored to each business’s unique needs.
Booking systems for hotels
Medical scheduling software
Education scheduling software
Financial systems and budgeting tools
Appointment booking
Booking systems for vehicle rentals
Resource and staff management tools
Restaurant booking
Ticket booking system development
Health and fitness membership scheduling
Event booking software
Accommodation booking
Our examples of booking systems
Examples of booking systems built by Onix specialists exceed our clients’ expectations!
France
Tourism
Travel marketplace
Solution:
Our travel booking systems experts rebuilt the platform with modern tech, new features, and performance at scale.
Result:
1 M+ listings in 200+ countries, Forbes-featured as the “gay Airbnb”, 900 K+ members.
Cyprus
Travel and Booking
Travel booking platform
Solution:
We built a secure, mobile-friendly online booking system software that enables travelers to post trip requests and get bids from local providers, with built-in chat and payments.
Result:
14,000+ providers joined within months, and 5,000 new users signed up monthly, unlocking new revenue streams for the client.
USA
Healthcare
Scheduler for medical doctors & clinic administrators
Solution:
Onix built a custom online booking system with CRM, EHR, and PHI features, including a smart scheduler that plans optimal house call routes.
Result:
Administrators manage house calls efficiently, and doctors access daily routes on mobile devices. The smart scheduler saves time, reduces errors, and ensures smooth coordination.
Core features of our booking systems for websites
Online booking 24/7
Enable online booking and get new appointments 24/7. Let your customers book their own appointments around the clock for any open time slot. Thanks to automated bookings, you can bring more clients with less busywork while focusing on things that really matter!
Appointment scheduling
Keep your appointments under control: see the new appointments as soon as they appear, edit, and update your schedules in real time. Your customers, in their turn, can see your real-time schedules and book appointments easily.
Customer database
All information is in one place. The database contains detailed information about each customer, such as personal information, booking history, appointment records, and no-shows. Having quick access to this data enables you to easily manage customers' data and reduce operational tasks.
Team management
Now it's easier than ever to manage employees' availability, sick day, breaks, and holidays. Control your team’s workload to optimize its performance, provide quality service, and scale your business organically.
Payments
We ensure a payment option that is easy to use and highly secure. To implement the payment feature, we can integrate a secure payment gateway using a payment platform like Stripe or PayPal.
Messaging
Instant messages can inform users about their reservation confirmation, rate changes, exclusive deals, etc., remind them about scheduled activities, provide personalized tips and advice while increasing user engagement and winning customer loyalty.
Why choose Onix
Fast and cost-effective development
Onix is a scheduling software development company passionate about delivering top-notch, dynamic solutions through our best structural standards which complement your company's needs, vision, and budget.
Clear communication
Our experts will guide you through the entire development process. As a booking engine development company, we create a communication plan for our clients and team to ensure they are always aware of the project's progress, provide feedback, and make changes as needed.
Efficient project management
As a service booking platform development company, we provide you with a project manager who prepares a detailed document outlining product features, deadlines, and responsibilities. Thus, you’re continually aware of your project's progress, and you're confident that your team will meet deadlines.
Consistent delivery
Our travel booking engine developers use the Agile methodology to enhance flexibility, speed, quality, and transparency in our development process. As a result, our team and clients benefit from a structured, iterative development process that enables us to deliver a valuable final product on time.
Digitalize your scheduling and booking flow to reduce administrative work and escalate your revenue!
Our online booking system development process
Our online travel booking software development process is fully transparent and efficient, powered by an agile approach that keeps you involved at every stage. We build booking software for websites and mobile apps that meet real business needs.
As part of our booking process improvement services, our developers select the best technology strategies to streamline workflows, improve performance, and ensure long-term scalability.
Consulting assistance
Business goals analysis
Creating a project's roadmap
Determining the strategy
Lean Inception
Planning and scheduling
Research
Generating ideas and concepts
Choosing a development methodology
Selecting a team
Conducting the project's audit
Developing a user journey
Planning features development
Preparing a timeline
UI/UX design
Creating prototypes
Facilitating the workflows
Managing complex data
Meeting end-users needs
Creating user flow
MVP development + testing
Ensuring all the transparency in accordance with the Agile approach
Delivering software based on iteration requirements
Conducting QA testing
Preparing the final iteration for product release
Maintenance & support
Product upgrade based on real users’ feedback, software performance, and changing needs or requirements
Ready to kickstart your custom online scheduling & booking system?
Testimonials
Technologies we use
To deliver products of the highest quality, we use a reliable and top-notch set of technologies.
Frameworks
Vue.js,
Angular,
Node.js,
Ruby On Rails,
React Native,
Django,
Laravel,
CakePHP,
Yii/Yii2
Programming languages
Swift,
Kotlin,
Ruby,
Python,
PHP
Databases
MongoDB,
PostgreSQL,
MySQL,
Elasticsearch
Cloud storage
AWS,
GCP (Google Cloud Platform),
Azure
Take your booking system to the next level
Onix helps businesses create custom booking software that simplifies reservations, automates workflows, and delivers a seamless experience for your users.
1
Schedule a consultation
It starts with a conversation – schedule your free consultation.
2
Sign
an NDA
We’ll sign an NDA. Then our experts will review your code, software, or concept at no cost.
3
Get audit report
Within a week or two, we’ll send you an audit report or development plan outlining what’s wrong, why it’s happening, and how we can move forward.
Have an idea or a challenge? Let’s turn it into a booking system that truly works for your business.
Insights from our experts
FAQs
How do I choose the right company for online booking system development?
To make the right choice and hire an experienced booking software development company, it's better to pay attention to important factors such as proven experience in booking system development, a strong portfolio, expertise in web and mobile solutions, and a track record of delivering secure, scalable, and user-friendly systems tailored to your industry. Moreover, to choose the right company, you can discuss your issue openly with its specialists and ensure they understand your problem and know how to solve it using modern and reliable technologies.
How much does custom booking system development typically cost?
The cost depends on features, complexity, and platform support (web, mobile, or both). As a rough estimate: basic booking system: $15,000–$30,000; medium complexity system (multiple staff, locations, payments, notifications): $30,000–$60,000; advanced system (AI features, complex integrations, mobile apps, high scalability): $60,000–$120,000+. Onix provides detailed estimates based on your specific requirements, ensuring the solution aligns with your business needs and budget.
How long does it take to build an online booking and scheduling system?
Development timelines vary depending on the features, integrations, and scope of the platform. A standard project typically takes 3–6 months, with iterative releases that allow for testing and improving functionality along the way.
What features should be included in a custom online booking system?
Key features include appointment scheduling, staff and location management, notifications, payments, reporting, user management, and optional AI-driven enhancements such as smart scheduling and recommendations.
Can you build a booking system that supports multiple staff members and locations?
Yes, we develop booking software for websites and mobile apps that handle multiple staff, locations, and services, making scheduling flexible and efficient for both administrators and customers.
Do you develop mobile-friendly booking systems and mobile apps?
Absolutely. We build responsive web solutions and native or PWA mobile apps, enabling users to schedule, manage, and track appointments seamlessly from any device.
What integrations can be added to an online booking system (payments, CRM, calendars)?
We integrate payment gateways (Stripe, PayPal), calendars, CRM, ERP, email systems, and third-party APIs to ensure smooth workflows and data synchronization.
Can you upgrade or customize an existing booking or reservation system?
Yes. Our booking process improvement services include auditing, modernizing, and extending legacy systems with new features, integrations, and performance improvements.
Which industries can benefit most from custom booking system development?
Service-based industries, including healthcare, wellness, fitness, education, events, rentals, tourism, and hospitality, gain the most value from a custom online booking system.
How do you ensure scalability and security in booking system development?
We use best practices in software architecture, cloud infrastructure, data encryption, user authentication, and compliance with regulations such as HIPAA or GDPR to ensure your system is secure, reliable, and ready to grow with your business.