11CL is an Android-focused development brand with professional mobile engineering expertise, specializing in Kotlin, Jetpack Compose, Firebase, performance optimization and monetization-driven Android app development. We build fast, stable and scalable Android apps that are ready for real users, Google Play and AdMob revenue.
Our approach balances engineering quality (architecture, performance, reliability) with business outcomes (installs, engagement, policy compliance and earnings). If you need results — not just an app — 11CL delivers.
Android Experience & Tech Stack
11CL works across the complete Android lifecycle — idea → development → publishing → monetization → scaling.
Core Android Expertise
- Languages: Kotlin (Primary), Java
- UI: Jetpack Compose, XML, Material Design
- Architecture: MVVM, Clean Architecture
- Data: Room, SQLite, Firebase Firestore
- Networking: Retrofit, OkHttp, REST APIs
- Firebase: Auth, Firestore, Crashlytics, Analytics, Remote Config
- Monetization: AdMob, AppLovin MAX, mediation, ads.txt compliance
- Tools: Android Studio, Git/GitHub, Google Play Console
Industries & App Categories
11CL has built and contributed to apps used across Pakistan and global markets:
- Telecom & Utilities: SIM & package tools, network utilities, bill checkers
- Business & Productivity: tailor management, SME solutions, workflow tools
- Finance & Billing: bill tracking, reminders, usage management
- AI & Creative Apps: AI resume tools, AI image apps, AI productivity utilities
- Privacy & Security: app locks, vaults, secure QR scanners
Skills & Tools
Technical
- Kotlin, Java
- Jetpack Compose, ViewModel, Navigation, Coroutines, Flow
- Room, SQLite, Firestore
- Retrofit, REST APIs
- Firebase ecosystem
- AdMob & AppLovin MAX
- Git / GitHub
Soft Skills
- Clear communication & structured delivery
- Strong debugging & problem solving
- Business-aware technical decisions
- Reliable timelines & long-term support mindset
Work Philosophy
- Clean over complicated: maintainable, future-proof code
- User + revenue together: monetization that respects user experience
- Data-driven: analytics, crash monitoring and iteration
- Transparency: honest expectations and realistic plans
Why Choose 11CL
- Android-first specialist approach
- Deep understanding of monetization & Google Play policies
- Experience across local Pakistani and global app ecosystems
- End-to-end support: build → publish → monetize → optimize
- Focus on long-term value, not short-term delivery
Contact & Collaboration
If you’re looking for a professional Android development partner who understands code, users, revenue and growth — 11CL is ready to help.
- Email: 11cl.contactus@gmail.com
- Fiverr: fiverr.com/junaidapps
Share your idea or app challenge — you’ll get a clear plan and next-step guidance.
