Upgrading a school ERP from CI3 to CI4
A secure, scalable platform engineered for the next stage of growth.
2x Faster
View Case Study
CODEIGNITER DEVELOPMENT
Lightweight, Fast PHP Apps With CodeIgniter.
Lean CodeIgniter 4 applications, upgrades from CI3 and long-term support for existing CodeIgniter platforms.
- CodeIgniter 4
- CI3 → CI4
- Custom apps
- Support
Faster after CI4 upgrade
0
x
CodeIgniter experts
Upgrades & support
0
x
Faster after CI4 upgrade
Upgrades & support
CodeIgniter experts
WHY CODEIGNITER
Small Footprint, Big Performance
CodeIgniter is great for fast, lightweight apps with little overhead, and plenty of businesses still run critical systems on it.
- New CodeIgniter 4 applications
- Safe CI3 to CI4 upgrades
- Performance and security hardening
- Support for legacy platforms
0
+
CI platforms maintained
EVERYTHING CODEIGNITER
Complete CodeIgniter Services
From the first build to long-term support, one team covers every CodeIgniter need.
Custom CodeIgniter Development
Lean web apps built fast.
- CI4 MVC architecture
- Clean code
- Fast delivery
CI3 to CI4 Upgrade
Modernize without a rewrite.
- Code refactoring
- PHP 8 compatibility
- Security fixes
CodeIgniter API Development
RESTful APIs for apps and partners.
- REST resources
- JWT auth
- Documentation
Admin & CRM Systems
Internal tools on CodeIgniter.
- Dashboards
- Reports
- Role management
Third-Party Integrations
Payments, SMS and more.
- Payment gateways
- SMS & email
- ERP sync
Performance Optimization
Speed up slow CI apps.
- Query optimization
- Caching
- Code profiling
Security Hardening
Lock down legacy applications.
- Vulnerability fixes
- Input validation
- Access control
Migration to Laravel
When it's time to move on.
- Gradual migration
- Data migration
- Feature parity
CodeIgniter Maintenance
Reliable ongoing support.
- Bug fixes
- Updates
- Monitoring
Planning a CodeIgniter project? Get a free estimate within 48 hours.
ECOSYSTEM
CodeIgniter Ecosystem & Integrations
The tools, extensions and integrations we use every day.
Framework
Co
CodeIgniter 4
Co
CodeIgniter 3
PH
PHP 8
Co
Composer
Data
My
MySQL
Ma
MariaDB
Po
PostgreSQL
Redis
Frontend
Bo
Bootstrap
jQ
jQuery
Vu
Vue.js
Ta
Tailwind CSS
Hosting
Ap
Apache
Ng
Nginx
AW
AWS
cP
cPanel
WHY AVENIX
Why Choose Avenix for CodeIgniter
Legacy-Friendly
We don't break what works.
Upgrade Specialists
CI3 → CI4 done safely.
Lean & Fast
Minimal overhead.
Clear Estimates
Honest scoping.
Security Focus
Hardened applications.
Responsive Support
Quick fixes when you need them.
ENGAGEMENT MODELS
Flexible Ways to Work With Us
Fixed-Scope Project
Clear scope, timeline and price.
- Detailed estimate
- Milestone payments
- Ideal for new builds
MOST POPULAR
Dedicated CodeIgniter Developer
A senior developer embedded in your team.
- Full-time or part-time
- Daily stand-ups
- Scale up or down monthly
Support & Maintenance
Ongoing updates, fixes and improvements.
- Monthly retainer
- Guaranteed response times
- Security & updates
HOW WE WORK
Our CodeIgniter Development Process
01
Discover
Goals, users and requirements.
02
Plan
Architecture, scope and estimate.
03
Design
UX/UI and technical specs.
04
Develop
Agile sprints with weekly demos.
05
Test & Launch
QA, security and deployment.
06
Support
Maintenance and improvements.
CASE STUDIES
CodeIgniter Projects We've Delivered
Real projects, real people, results you can measure.
A clinic management system
A secure, scalable platform engineered for the next stage of growth.
-50% Admin Time
View Case Study
Mobile app APIs on CodeIgniter
A secure, scalable platform engineered for the next stage of growth.
120ms Response
View Case StudyINDUSTRIES
CodeIgniter Solutions for Every Industry
TESTIMONIALS
What Our Clients Say
“They upgraded our ten-year-old CodeIgniter system without disrupting a single day of operations.”
Daniel Morgan
Head of Product, Northwind Retail
NORTHWIND
“From brand to website to SEO, it finally feels like one story. Leads are up 75% and our team actually enjoys working with them.”
Amara Okafor
Marketing Director, Lumora Health
Lumora
FAQS
CodeIgniter FAQs
Can’t find what you need? Our team is happy to help.
Still have questions?
Talk to a real person, not a bot.
Is CodeIgniter still a good choice?
For lightweight apps and existing platforms, yes. For complex new apps we may suggest Laravel.
Can you upgrade CI3 to CI4?
Yes, step by step and safely.
Do you support legacy CodeIgniter apps?
Yes, including security fixes and PHP upgrades.
Should we migrate to Laravel?
We'll give you an honest answer based on your roadmap.
KEEP EXPLORING
Related Technologies & Services
Website Maintenance
Ongoing care.
API Development
APIs & integrations.
Let's Modernize Your CodeIgniter App.
Tell us what you’re building and we’ll recommend an approach, timeline and team.
- Free 30-min consultation
- Reply within 1 business day
- NDA on request
Talk to Arjun & the team
Usually replies in a few hours