Web & App Development and Web Security in Naraingarh
Stay Secure. Stay Ahead.
Websites and web apps, iOS & Android apps, penetration testing (VAPT), IT projects and Python/Java/HTML/CSS help — for clients in Naraingarh, Ambala, Chandigarh and across India.

Web, App & Security Services
Websites and web apps, iOS & Android apps, web security and penetration testing (VAPT), IT projects and Python, Java, HTML & CSS help.
Web Application Development
Custom web applications built with modern frameworks for fast, scalable, secure platforms.
- Responsive UI/UX design
- Full-stack development (Frontend + Backend)
- REST API & database integration
Web Security
Harden your website against attacks with end-to-end security audits and fixes.
- OWASP Top 10 audit
- SSL / HTTPS configuration
- Firewall (WAF) setup
Penetration Testing
Find security flaws in your systems before attackers do — full VAPT reports included.
- Web application penetration testing
- Network & infrastructure testing
- API security testing
iOS Application Development
Native iPhone and iPad apps built with Swift for premium App Store experiences.
- Native Swift / SwiftUI development
- iPhone, iPad & Apple Watch support
- App Store submission & review
Android Application Development
High-performance Android apps built with Kotlin for the Play Store and beyond.
- Native Kotlin / Java development
- Material Design 3 UI
- Google Play Store publishing
IT Projects
End-to-end execution of custom IT projects, college submissions, and enterprise work.
- Final-year college projects
- Enterprise software development
- Automation & dashboards
Web, mobile and security work from Naraingarh, Haryana
At Error Resolver we build modern web applications, native iOS & Android apps and end-to-end IT projects, and we test websites for security flaws (VAPT). Based in Naraingarh (Ambala district), Haryana — working with clients in Naraingarh, Ambala and the Chandigarh region, and with clients across India online.
120+ projects delivered, 40+ mobile apps shipped and 60+ security audits — rated 5.0 on Google.
Learn More About UsWhy Clients Choose Error Resolver
120+ projects delivered for local and remote clients across India.
Cutting-Edge Technology
We build with the latest frameworks, languages, and security standards so your project never feels outdated.
Expert Support
Direct access to senior developers and security professionals — no junior hand-offs, no scripted replies.
Cost Efficiency
Transparent project-based pricing in INR. Pay only for what you need, with no hidden charges.
Training & Development
We don’t just build — we train your team in Python, Java, web, and mobile so you stay independent.
User-Friendly Interfaces
Every product we ship is designed for real humans — intuitive, accessible, and a pleasure to use.
Rated 5.0 on Google
Based in Naraingarh (Ambala district), Haryana — working with clients in Naraingarh, Ambala and the Chandigarh region, and with clients across India online. Rated 5.0 on Google.
How We Work
From first call to launch and support: how a project with Error Resolver runs.
Tell us about your project
Call, WhatsApp or use the contact form to tell us what you need: a website or web app, an iOS or Android app, a security audit (VAPT) or an IT project.
Scope & written quote
We agree the scope, timeline and deliverables with you and share a written quote. Work starts only after you approve it.
Design & build
We design and build your website, app or project, and share progress with you as it takes shape.
Testing
We test on real devices and browsers before launch. A security review is included on the Professional and Enterprise plans.
Launch & handover
We launch with you and hand over the source code and documentation as listed in your plan.
Post-launch support
Support after launch for 15 days, 60 days or 6 months, depending on your plan.
Frequently Asked Questions
Quick answers to questions you may have. Can't find what you're looking for? Contact us.
Need Help? Let's Talk
Send us a message. We reply during business hours (9 AM–9 PM, 7 days).