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Mobile App Maintenance & Support Services

Launching an app is only the beginning. Primocys provides mobile app maintenance services for iOS, Android, Flutter and React Native apps, fixing production issues, improving performance, updating dependencies and keeping existing apps reliable as technology evolves.

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Our Core Mobile App Maintenance Services

From bug fixes and OS updates to performance and backend support, we keep existing mobile apps stable, secure, and ready for what comes next.

Bug & Crash Fixes

We diagnose and resolve crashes, broken workflows, release issues, and production bugs across existing mobile applications.

iOS & Android Updates

Keep your app compatible with new iOS and Android releases, device changes, platform requirements, and evolving store policies.

Performance Optimization

Improve slow screens, API response issues, resource usage, and other performance bottlenecks affecting the user experience.

Flutter & React Native Support

Maintain Flutter and React Native apps through framework upgrades, dependency updates, compatibility fixes, and ongoing improvements.

Backend & API Maintenance

Maintain APIs, databases, integrations, authentication, and backend services that keep your mobile application running reliably.

Why Primocys for Mobile App Maintenance

Real engineering experience you can verify, not inflated numbers: the team, the apps we run ourselves and the process behind every maintenance project.

Founded in

2018

Years of mobile, backend and SaaS engineering give us the experience to maintain, update and stabilize apps that are already live.

Own Mobile Products

We build and run our own apps too, so our team handles real releases, store updates and production issues instead of only reading about them.

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Full-Stack App Maintenance

One team across mobile, backend, APIs, cloud and releases, so a problem is traced to its real cause instead of being passed between vendors.

iOS & Android
Flutter
React Native
Backend
APIs
QA & Testing
Cloud
DevOps

Structured Maintenance Process

Every request follows a clear path: audit the app, find the root cause, fix and test, release safely, then monitor and keep improving.

Trusted to Maintain Live Apps

With 1,200+ products delivered globally, Primocys helps businesses maintain, support, and improve existing mobile apps across platforms and stacks.

ecofon communication - Primocys Emoji Tale - Primocys Only Singles -Primocys Orbis Elite -Primocys ZIBA Driver -Primocys MatchMums -Primocys apek electronic restoration -Primocys BURPOUT - Primocys WasaaChat - Primocys Prendi iL - Primocys Chat App - Primocys Batpay - Primocys Earnify - Primocys ZIO Gram - Primocys PROHUNTER - Primocys Lika Real Estate - Primocys ZIO Gram - Primocys ecofon communication - Primocys Emoji Tale - Primocys Only Singles -Primocys Orbis Elite -Primocys ZIBA Driver -Primocys MatchMums -Primocys apek electronic restoration -Primocys BURPOUT - Primocys WasaaChat - Primocys Prendi iL - Primocys Chat App - Primocys Batpay - Primocys Earnify - Primocys ZIO Gram - Primocys PROHUNTER - Primocys Lika Real Estate - Primocys ZIO Gram - Primocys
1200+
Products Delivered — Mobile, web, SaaS and software products
650+
Clients Served — Across multiple industries and markets
30+
Countries — Global project delivery
8+
Years Building Enterprise-Grade Systems
30+
Core Team Members — Product, design and software engineering expertise

Ongoing Mobile App Maintenance & Support

Our mobile app support services cover application, backend, API, database, integration, and release issues to keep existing apps stable and reliable.

01

Bug fixes & crash resolution

Investigate production crashes, broken workflows, authentication problems, UI issues and device-specific failures.


  • Production Crash Investigation
  • Broken Workflow Fixes
  • Authentication & UI Issues
  • Device-Specific Failures

02

iOS & Android compatibility

Adapt existing apps to new OS versions, permissions, SDK requirements, devices and store policies.


  • New OS Version Support
  • Permission & SDK Updates
  • Device Compatibility
  • Store Policy Alignment

03

Performance optimization

Investigate slow startup, screens, APIs, database queries, memory usage, media loading and other performance bottlenecks.


  • Slow Startup & Screens
  • API & Query Tuning
  • Memory Usage Review
  • Media Loading Fixes

04

Framework & dependency updates

Upgrade Flutter, React Native, native packages and supporting libraries through controlled changes and regression testing.


  • Flutter & React Native Upgrades
  • Native Package Updates
  • Controlled Changes
  • Regression Testing

05

Backend & API maintenance

Support APIs, Node.js services, databases, authentication, webhooks, background jobs and infrastructure connected to the app.


  • API & Database Support
  • Authentication & Webhooks
  • Background Jobs
  • Infrastructure Upkeep

06

Security maintenance

Apply relevant patches, update vulnerable dependencies and review authentication, authorization and API exposure.


  • Relevant Security Patches
  • Vulnerable Dependency Updates
  • Authentication Review
  • API Exposure Review

Mobile Apps We Built for Real Users

See how we designed finance, creator and fitness apps, each built around clear user workflows and real product needs.

Finance · Income Tracking · Mobile App

Earnify — Income Tracking App

Finance and income tracking mobile app interface
Social · Creator Platform · Mobile App

Pudym — Creator Monetization App

Social creator and subscription mobile app interface
Fitness · Workout Planning · Mobile App

Burpout — Fitness App

Fitness workout and challenge mobile app interface

Existing App Maintenance & Support

Our mobile app support services help teams take over existing applications, understand inherited codebases, resolve issues, and provide reliable app maintenance and support.

1. Repository review

Understand project structure, frameworks, dependencies, branches, build process and obvious technical risks.

2. Environment review

Map development, staging and production environments along with deployment and configuration requirements.

3. Issue triage

Separate urgent production problems from improvements, technical debt and lower-priority cleanup.

4. Stabilization

Resolve the most important reliability problems first so ongoing work starts from a safer baseline.

5. Knowledge recovery

Document practical architecture, APIs, integrations, deployment steps and product behavior as understanding grows.

6. Ongoing ownership

Move from takeover to regular maintenance, planned upgrades and product improvements when required.

Important: We do not recommend rebuilding an inherited app simply because another team wrote it. The first step is understanding what works, what is risky and what actually needs to change.

What Our Clients Say
About Us

Our Client
Reviews

Adegbuyi Oduguwa Gregor Skerl Revanth K Dorian Çoçka

Customer experiences that speak for themselves

Our B2B and B2C platform helps Nigerian manufacturers sell at wholesale prices and suppliers offer competitive retail pricing, with a strong focus on Made in Africa products and easy local and international distribution. The app has received excellent user reviews for its design and unique features. Communication with the Primocys team was smooth in an agile setup, even beyond office hours when needed. Their mobile app development expertise is excellent—highly professional and reliable.

We hired Primocys to develop a highly complex and specialized mobile application, and they delivered outstanding results. The app includes advanced features such as timeline mixers, classifieds, payments, advertisements, GPS functionality, and more. Their technical skills, timely delivery, availability, and the personal attention Arpan Sagar brings to each project truly stand out. The team stays focused and committed from start to finish—an excellent experience overall.

”

The dating app was delivered successfully and approved by both Apple App Store and Google Play. Our users are highly impressed with the design, UI, and overall functionality. The project was well planned with clear milestones, and all modules were delivered on time. The team is talented, patient, and flexible, accommodating multiple scope revisions as requirements evolved. Their 24/7 development and support availability made the entire process smooth and reliable.

Great team with excellent communication and a strong commitment to on-time delivery. They developed a fully customized mobile app for both Android and iOS, perfectly matching our requirements. The entire process was smooth and professional, with clear updates at every stage. They are reliable, skilled, and very easy to work with. We’re continuing our partnership on more projects, and choosing them has been one of the best business decisions I’ve made.

Benefits of Reliable Mobile App Maintenance

Keep your existing app stable, secure, and ready to evolve with ongoing support that reduces technical issues, improves performance, and protects user experience.

Stability

Keep your existing mobile app reliable by addressing crashes, bugs, compatibility issues, and production problems before they disrupt users.

Performance

Improve slow screens, API responses, resource usage, and other bottlenecks that affect app speed and the overall user experience.

Compatibility

Keep iOS, Android, devices, SDKs, frameworks, and dependencies aligned as platforms and technical requirements continue to evolve.

Security

Reduce technical risks by maintaining dependencies, authentication, APIs, integrations, and other systems supporting your mobile application.

Continuity

Maintain business-critical apps even when your original development team is unavailable or you need a new technical partner.

Growth

Support ongoing improvements and new requirements without letting your existing mobile product become difficult to maintain.

Technologies We Maintain & Support

We support Flutter, React Native, native iOS and Android apps, plus the backend, APIs, databases and cloud systems they rely on.

Flutter

  • Flutter
  • Dart

React Native

  • React Native
  • Expo
  • TypeScript

Native Mobile

  • Swift
  • SwiftUI
  • Kotlin
  • Jetpack Compose

Backend & APIs

  • Node.js
  • NestJS
  • Python
  • FastAPI

Databases

  • PostgreSQL
  • MongoDB
  • Redis
  • Firebase

Cloud & Realtime

  • AWS
  • GCP
  • WebRTC
  • Socket.io

How Our Mobile App Maintenance Process Works

Our mobile app maintenance services start with a codebase review and issue assessment, followed by structured app maintenance and support to deliver a stable release.

1. Share the current situation

Tell us what the app does, what is going wrong and which platforms, backend systems and integrations are involved.

2. Technical review

Review relevant code, dependencies, architecture, logs, environments and known production issues.

3. Prioritize

Separate critical production problems from preventive maintenance, technical debt and optional improvements.

4. Fix & test

Implement focused changes and regression-test the affected workflows before release.

5. Release

Prepare the production version and support deployment or store submission where included in scope.

6. Continue improving

Move into scheduled maintenance, upgrades and product enhancements when ongoing support is needed.

Mobile App Maintenance Process

We assess your existing app, prioritize technical issues, stabilize critical workflows, and validate fixes before release so ongoing maintenance stays structured and reliable.

01
Existing app and codebase review
We review the existing app, codebase, dependencies, backend, integrations, release setup and known production issues before making changes.
02
Issue assessment and prioritization
We identify bugs, crashes, compatibility gaps, performance issues and technical risks, then prioritize work based on user impact and business needs.
03
Bug fixing and app stabilization
We resolve critical bugs, crashes, broken workflows and production issues while keeping changes focused on restoring reliable app behavior.
04
Updates and compatibility maintenance
We update frameworks, dependencies and platform requirements while addressing iOS, Android, device and SDK compatibility issues.
05
Backend and API maintenance
We maintain APIs, databases, authentication, integrations and backend services that support the mobile app, including issues affecting data flow and reliability.
06
Testing and regression checks
We test fixes across supported devices and OS versions, checking critical workflows, integrations, permissions and existing functionality before release.
07
Performance and release validation
We validate performance, stability and release readiness, addressing remaining issues before deploying changes to production.
08
Production release and ongoing support
We release validated updates, monitor post-release issues and continue with ongoing maintenance, fixes and improvements as your app evolves.

One Team for Mobile App Maintenance & Support

Maintaining a mobile application often requires support across multiple technical layers. Our mobile app support services cover the app, backend and integrations, providing reliable app maintenance and support through one technical team.

01

Full-stack maintenance

Mobile apps, APIs, databases, backend services and integrations can be reviewed together when troubleshooting.

02

Existing codebases welcome

The application does not need to have been originally developed by Primocys.

03

Practical prioritization

Fix what creates user or business risk first instead of treating every warning as an emergency.

04

Product engineering mindset

Maintenance can continue into feature development when your roadmap needs more than technical support.

05

Release support

Support can extend from code changes through build preparation and mobile-store release work.

06

Long-term maintainability

Changes should make future work easier, not solve today’s problem by creating another fragile workaround.

Mobile App Maintenance Across Industries

We maintain existing mobile applications across industries, helping teams resolve production issues, improve performance, manage platform changes, and keep business-critical workflows reliable as products evolve.

SaaS & Business Apps

Maintain dashboards, collaboration tools, authentication, notifications and business integrations while keeping existing workflows stable and responsive.

Marketplace & On-Demand

Support bookings, payments, order workflows, location features, notifications and customer or vendor experiences across changing platform requirements.

Social & Creator Apps

Maintain feeds, messaging, media uploads, notifications, profiles and creator workflows while addressing performance, compatibility and production issues.

Healthcare Apps

Support scheduling, telehealth, secure communication, records and clinical integrations while maintaining reliable workflows across supported devices and platforms.

Fintech Apps

Maintain account experiences, transaction workflows, authentication and payment integrations while addressing compatibility, reliability and technical issues.

Education & AI Apps

Support learning workflows, progress tracking, AI-powered features and integrations while keeping dependencies, APIs and mobile experiences up to date.

Mobile App Maintenance Cost Factors

Mobile app maintenance costs depend on app complexity, codebase condition, platform updates, integrations, and support needs. We scope maintenance around your existing app.

App Size & Complexity

Apps with multiple user roles, complex workflows and business-critical features usually require more time for investigation, fixes and regression testing.

Codebase Condition

Clean, documented codebases are easier to maintain, while outdated dependencies, technical debt and poorly documented code can increase investigation and stabilization effort.

Platform & OS Updates

Supporting new iOS and Android versions, devices, SDK requirements and framework updates can add ongoing compatibility and testing work.

Backend & Integration Scope

APIs, databases, authentication, third-party services and cloud infrastructure may require maintenance alongside the mobile application.

Issue Volume & Support Needs

Occasional bug fixes require a different level of support than applications needing frequent troubleshooting, performance work, updates and ongoing monitoring.

Custom Maintenance Scope

We review your existing application, technical environment and maintenance needs before defining a practical scope and estimate for the required support.

Questions About Maintaining an Existing Mobile App

Maintenance scope depends on the current codebase, platforms, backend, integrations and the condition of the live product.

What are mobile app maintenance services?

Mobile app maintenance covers the technical work needed to keep an existing application reliable after launch. It can include bug fixes, crash resolution, performance optimization, operating-system compatibility, dependency updates, backend support, security maintenance, release work and ongoing improvements.

Can Primocys maintain an app developed by another company?

Yes. Existing application takeover normally begins with a review of the source code, frameworks, dependencies, backend, environments, integrations and known issues before ongoing maintenance is planned.

Do you maintain both iOS and Android apps?

Yes. Maintenance can cover iOS and Android applications, including native and suitable cross-platform codebases.

Do you provide Flutter app maintenance?

Yes. Flutter maintenance can include framework and Dart upgrades, package compatibility, Android/iOS build issues, Firebase integrations, performance work, bug fixes and continued feature development.

Can you maintain React Native applications?

Yes. Work can include React Native upgrades, package compatibility, native modules, performance troubleshooting and Android/iOS release support.

Can you fix an app that keeps crashing?

Yes. The first step is to review available crash reports, logs, affected versions, devices and the related application flow so the cause can be reproduced and investigated.

Can you update an old mobile app?

Yes, although the right approach depends on how old the frameworks and dependencies are. Some apps need straightforward maintenance while others are better handled through a separate modernization plan.

Can you maintain the backend too?

Yes, depending on the existing stack. Maintenance can include APIs, databases, authentication, Node.js services, webhooks, background jobs, integrations and supporting infrastructure.

Can you help with App Store and Google Play updates?

Yes. Support can include build preparation, signing, certificates, technical compatibility requirements, store submissions and troubleshooting technical rejection issues.

Can maintenance include new features?

Yes. Smaller product improvements can be handled alongside maintenance. Larger new modules can be scoped separately when they require substantial product development.

How much does mobile app maintenance cost?

Cost depends on the codebase condition, platforms, backend complexity, integrations, current issues and the amount of ongoing work required. Reviewing the existing application first produces a more useful estimate than a generic maintenance package.

How do we get started?

Share the app links, source-code availability, technology stack if known, current issues and what kind of support you need. Primocys can then review the situation and recommend the appropriate next step.

Keep Your App
Running at Its Best

Get reliable mobile app maintenance services to fix issues, improve performance, manage updates and keep your existing app ready for what’s next.

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