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Billing & Membership Software Development
Built for Smarter Billing & Membership Operations

Subscription businesses, associations, clubs, and service providers lose revenue when billing rules, member records, payments, and support data live in separate systems. We build custom billing and membership platforms that automate recurring invoices, entitlements, renewals, dunning, and self-service. Our engineers connect payments, CRM, finance, and identity systems through secure, scalable APIs, giving teams reliable revenue operations and members a simpler experience.
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250+
Experts
60+
Fintech Delivered
ISO
27001 Certified
100%
NDA Protected
4.9/5
Client Satisfaction
98%
Client Retention
PCI DSS
Ready Architecture
SOC 2
Aligned Development
250+
Experts
60+
Fintech Delivered
ISO
27001 Certified
100%
NDA Protected
4.9/5
Client Satisfaction
98%
Client Retention
PCI DSS
Ready Architecture
SOC 2
Aligned Development
250+
Experts
60+
Fintech Delivered
ISO
27001 Certified
100%
NDA Protected
4.9/5
Client Satisfaction
98%
Client Retention
PCI DSS
Ready Architecture
SOC 2
Aligned Development
250+
Experts
60+
Fintech Delivered
ISO
27001 Certified
100%
NDA Protected
4.9/5
Client Satisfaction
98%
Client Retention
PCI DSS
Ready Architecture
SOC 2
Aligned Development

Why Choose Zignuts

Organizations choose us to replace fragmented billing and member operations with reliable digital products. We combine product engineering, payment-domain architecture, API integration, and security-first delivery to model complex pricing, automate revenue workflows, modernize legacy platforms, and evolve software as membership programs scale.
Talk Fitness Tech Experts

Member Engagement

Subscription Growth

AI Personalization

Wearable Device Integration

Business Process Automation

Data-Driven Decision Making

Wellness Innovation

Scalable Digital Platforms

Proven Business Outcomes

We help teams reduce billing friction, improve renewal visibility, automate member service, reconcile revenue faster, and launch new plans without rebuilding core operations.

45%
Increase in Member Retention
35%
Reduction in Administrative Work
3X
Growth in Digital Engagement
98%
Workout Recommendation Accuracy
99.95%
Platform Availability
2.5X
Increase in Subscription Revenue

Fitness & Wellness Projects We've Delivered

Iamge of AI Fitness <br/> Tracking Platform
Fitness & Wellness

AI Fitness
Tracking Platform

Tracking health metrics across multiple devices while staying motivated can be challenging for fitness enthusiasts. We developed a fitness tracking platform that integrates wearable devices, monitors vital health metrics, and fosters community engagement, helping users make informed decisions and achieve their fitness goals more effectively.

Client
Leading Fitness & Wellness Company
Industry
Fitness & Wellness, IoT & Wearables
Duration
12+ Months
Team Size
9+ Engineers
View case study
100K+
Daily Data Points Processed
20+
Fitness Brands Integrated
10+
Health Markers Tracked
Fitness
IoT & Wearables
Iamge of Mood & Music <br/> Therapy Platform
Mental Wellness

Mood & Music
Therapy Platform

Managing emotional well-being can be difficult without personalized support and meaningful insights. We developed a mood tracking and music therapy platform that combines health tracking with personalized music recommendations, helping users better manage mood swings, improve emotional wellness, and support their overall well-being through a secure, intuitive experience.

Client
Leading Health & Wellness Organization
Industry
Fitness & Wellness, Healthcare & Education
Duration
12+ Months
Team Size
9+ Engineers
View case study
5+
Music Therapy Modes
60+
Active Registered Users
90+
Songs Available on Platform
Mental Health
Wellness App
Iamge of AI Habit <br/> Tracking Platform
Habit Tracking

AI Habit
Tracking Platform

Building healthy routines can be challenging without personalized guidance and consistent motivation. We developed a habit tracking platform that analyzes sleep, fitness, hormones, and lifestyle data to deliver personalized daily actions, helping women build sustainable habits, improve well-being, and stay engaged with their wellness journey.

Client
Leading Women's Wellness Company
Industry
Women's Health & Wellness
Duration
12+ Months
Team Size
9+ Engineers
View case study
40%
Increase in Daily Habit Completion
55%
Boost in User Engagement
45%
Increase in Returning Users
Women's Health
Habit Tracker

Everything Included In Billing & Membership Software

We design and engineer the full operational platform: configurable billing logic, member experiences, payment orchestration, finance workflows, integrations, analytics, quality assurance, cloud operations, and an extensible API layer. Our team scopes each capability around your pricing model, member lifecycle, internal controls, and growth roadmap.

Flexible Billing Engine

Configure subscriptions, tiers, usage, proration, discounts, taxes, credits, and contract-specific billing rules without hard-coded workarounds.

Member Self-Service Portal

Give members a secure portal to join, update profiles, manage plans, access benefits, download invoices, and control payment methods.

Payment & Collections Automation

Orchestrate card, ACH, direct debit, wallet, and invoice payments with tokenization, retries, refunds, chargeback workflows, and reconciliation.

Renewal & Dunning Management

Automate renewal reminders, grace periods, failed-payment journeys, win-back campaigns, and eligibility changes using configurable lifecycle workflows.

Membership & Entitlements

Manage memberships, household or corporate accounts, roles, benefit eligibility, credentials, events, and entitlement usage in one governed record.

Revenue Analytics & Reporting

Provide finance and operations teams with aging, MRR, churn, renewal, payment-failure, cohort, and audit reporting from trusted data.

Enterprise Integrations

Connect CRM, accounting, ERP, identity, email, event, and payment systems through versioned APIs, webhooks, and monitored integration workflows.

Reliable Platform Operations

Build quality in through automated testing, observability, CI/CD, infrastructure automation, and scalable cloud deployment practices.

Security & Compliance Built Into Every Solution

Trust is essential for every digital fitness platform. We integrate security, privacy, and compliance throughout the software development lifecycle to help organizations protect customer information while maintaining platform reliability.

Security Framework

End-to-End Encryption
Multi-Factor Authentication
Role-Based Access Control
Secure API Development
Continuous Monitoring
Penetration Testing
Secure Cloud Infrastructure
Data Protection Controls
Security and Compliance Banner

HIPAA Ready

GDPR

SOC 2

PCI DSS

OAuth 2.0

Open API Standards

Regional Privacy Regulations

Secure Health Data Management

HIPAA Ready

GDPR

SOC 2

PCI DSS

OAuth 2.0

Open API Standards

Regional Privacy Regulations

Secure Health Data Management

HIPAA Ready

GDPR

SOC 2

PCI DSS

OAuth 2.0

Open API Standards

Regional Privacy Regulations

Secure Health Data Management

HIPAA Ready

GDPR

SOC 2

PCI DSS

OAuth 2.0

Open API Standards

Regional Privacy Regulations

Secure Health Data Management

Technology Stack & Architecture for Billing & Membership Software

We build modular, API-first billing platforms with scalable services, secure payment flows, event-driven workflows, governed data, and observable cloud infrastructure for reliable recurring billing and future growth.

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Node.js
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Java

Billing & Membership Software: Platforms & Systems We Integrate With

We integrate your solution with trusted platforms, APIs, enterprise software, and industry-specific systems to ensure smooth data flow, automation, and interoperability.

Fitness & Wellness Segments We Serve

Every fitness organization has unique customer engagement, operational, and growth challenges.
<p>Gyms &amp;  Fitness Centers</p>

Gyms &
Fitness Centers

Manage memberships and streamline gym operations with custom software.

<p>Boutique Fitness  Studios</p>

Boutique Fitness
Studios

Automate scheduling and trainer workflows for boutique studios.

<p>Personal Trainers &amp;  Coaches</p>

Personal Trainers &
Coaches

Build tools for personal trainers to track workouts and progress.

<p>Corporate Wellness  Providers</p>

Corporate Wellness
Providers

Deploy employee wellness platforms and health analytics.

<p>Wellness &amp;  Nutrition Brands</p>

Wellness &
Nutrition Brands

Build custom nutrition platforms and habit tracking solutions.

<p>Digital Fitness  Startups</p>

Digital Fitness
Startups

Scale new fitness SaaS applications and AI platforms.

<p>Sports Performance  Organizations</p>

Sports Performance
Organizations

Analyze athlete performance metrics and integrate wearables.

<p>Rehabilitation &amp;  Preventive Wellness</p>

Rehabilitation &
Preventive Wellness

Build remote wellness monitoring and recovery tracking systems.

Why
Organisations
Partner With Us

Technology projects succeed when industry expertise, innovation, and long-term partnerships come together.

98%
Client Retention
Dedicated Product Teams
Dedicated Teams
AI-First Engineering
AI-First Development
Transparent Development Process
Delivery Process
Agile Delivery
Agile Execution
Continuous Product Innovation
Innovation Mindset

Flexible Engagement Models

Choose the engagement model that best aligns with your product roadmap.

Dedicated Healthcare Team

Build a long-term product team focused exclusively on your roadmap.

Staff Augmentation

Extend your existing engineering capabilities with specialized talent.

Our Development Process

A structured approach designed for speed, security, and long-term scalability.

1

Ideation and Discovery

listingPoints

Gathering requirements through brainstorming sessions and workshops.

listingPoints

Conducting thorough research to identify opportunities and potential obstacles.

listingPoints

Developing a clear roadmap aligned with your vision.

2

Prototyping & Validate

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Developing wireframes and interactive prototypes.

listingPoints

Collaborating with you for feedback and refinement

listingPoints

Ensuring the design aligns with your brand and functionality goals.

3

Development and Launch

listingPoints

Building features incrementally with regular updates.

listingPoints

Rigorous testing at each stage to ensure functionality and performance.

listingPoints

Transparent communication for seamless collaboration and Development.

4

Growth and Ongoing Support

listingPoints

Post-launch monitoring to address any issues promptly.

listingPoints

Regular updates and maintenance to keep your software at peak efficiency.

listingPoints

User feedback integration for future releases

Trusted by
Fitness & Wellness Innovators Worldwide

250+
Engineers & Technology Specialists
50+
Health & Wellness Solutions Delivered
40+
Countries Served
98%
Client Retention Rate
4.9/5
Client Satisfaction
100%
NDA Protected Engagements
AI-Driven
Product Development Processes
Global
Delivery Capabilities
Let's Build Together

Related Solutions

Ready to Transform Your Billing & Membership Business?

Discuss your billing and membership roadmap with our solution architects. We will help you prioritize automation, integrations, security, and a scalable delivery plan.

Company Deck
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Billing & Membership Software Development Services