Tools9 min read
AI App Store Audit: Catch Rejection Risks Before You Submit
An AI-powered pre-submission audit that checks 95+ App Store and Google Play rules before you publish, helping developers avoid costly rejection loops.
May 12, 2026Read More
Mobile App Specialist
I Build Apps ThatStand Out& Deliver Results
Android & Flutter developer with 3+ years of experience building production ready apps. From concept to Play Store. I handle the entire process so you can focus on your business.
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Projects
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Clients
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Years Exp.
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Tech Stack
Why Clients Choose Me
I don't just build apps I build complete products. Every project gets my full attention from architecture to launch, delivering solutions that are ready for real users, not just demos.
End-to-End App Development
From concept to Play Store. I handle UI design, development, testing, and publishing.
Developer + Tester
Rare combination. I build AND test. catching bugs others miss before they reach users.
Store-Ready Delivery
Every app I deliver passes app store review. I know the guidelines inside and out.
Performance First
Optimized startup times, smooth animations, and efficient memory usage on every project.
Clean Architecture
Scalable, maintainable code that your future team can actually work with.
Full Stack Capability
Frontend, backend, APIs, databases. I build the complete product, not just pieces.
Core Expertise
Flutter / Dart98%
Android (Java / Kotlin)100%
App Testing & QA100%
App Store Publishing100%
ASO Optimization95%
UI/UX Design90%
3+
Years
Production Experience
Building and shipping real apps for international clients across industries.
Services That Drive Results
From idea to app store. I provide complete mobile and web development services backed by thorough testing and strategic optimization.
High performance Flutter and Android apps, production ready, scalable, and built to deliver real results from day one.
Flutter App Development
Cross platform apps with native performance. One codebase, pixel perfect on both iOS and Android with smooth animations.
Native Android Development
Java and Kotlin apps with deep platform integration, optimized performance, and hardware level access.
In App Payments and Subscriptions
Seamless payment integration with RevenueCat, Stripe, and native billing for reliable monetization.
UI/UX Design and Development
Beautiful, intuitive interfaces designed for conversion. Every pixel is crafted for the best user experience.
Work Experience
I've worked with clients worldwide delivering top quality development and testing services through my agency and freelance platforms.
2023 — Present
Mobile App Developer
SparkDevXKPK, Pakistan
Leading mobile app development projects for clients worldwide. Building and shipping production-ready Flutter and Android apps from concept to Play Store.
- Built and published multiple apps on Google Play Store
- Full stack mobile development with Flutter, Android, and backend
- Client management and project delivery
Featured Projects
Real apps built for real users. Each project showcases my commitment to quality, performance, and delivering products that succeed in the market.
What Clients Say
Trusted by entrepreneurs and businesses worldwide. Here's what my clients have to say about working with me.
S
saraking845
United States
5.0
2025Tik Dating Video App
“Rahim did an excellent job on my second app. From the beginning, he showed strong understanding, patience, and attention to detail. He took my ideas and turned them into a fully functional app that looks and performs great. What stood out most was his dedication, he made sure everything was working properly and was always willing to make adjustments when needed. Communication was clear and professional the entire time. If you are looking for someone reliable who actually delivers results, Rahim is the right choice. I am very satisfied with the outcome and would highly recommend him.”
Fiverr
B
bobbyjones669
United States
5.0
2025B3G TV App
“Rahim helped build and deploy the B3GTV app infrastructure, including subscriptions, backend setup, and store submissions. The project involved multiple systems and platforms, and we worked through a lot during development. I appreciate the technical work and support throughout the process and look forward to continuing to improve the platform moving forward.”
Fiverr
AK
Azreena Kaiyum
eBook Platform Owner
5.0
2024Hush eBook Reader App
“Amazing guy to work with and is very responsive and gets the job done quickly. 1000% recommended. Best person to help create app you desire. Did what I asked and even more, and did it perfectly!”
Fiverr
F
Factsinreallife
Music Artist, Uganda
5.0
2025Shalom Artist Music App
“Rahim has once again done an excellent job. He has been working with me long term and consistently delivers high quality work with great communication. His understanding of Android app development, monetization, publishing, and overall app lifecycle is outstanding. I highly recommend him to everyone.”
Fiverr
S
saraking845
United States
5.0
2025Tik Dating Video App
“Rahim did an excellent job on my second app. From the beginning, he showed strong understanding, patience, and attention to detail. He took my ideas and turned them into a fully functional app that looks and performs great. What stood out most was his dedication, he made sure everything was working properly and was always willing to make adjustments when needed. Communication was clear and professional the entire time. If you are looking for someone reliable who actually delivers results, Rahim is the right choice. I am very satisfied with the outcome and would highly recommend him.”
Fiverr
B
bobbyjones669
United States
5.0
2025B3G TV App
“Rahim helped build and deploy the B3GTV app infrastructure, including subscriptions, backend setup, and store submissions. The project involved multiple systems and platforms, and we worked through a lot during development. I appreciate the technical work and support throughout the process and look forward to continuing to improve the platform moving forward.”
Fiverr
AK
Azreena Kaiyum
eBook Platform Owner
5.0
2024Hush eBook Reader App
“Amazing guy to work with and is very responsive and gets the job done quickly. 1000% recommended. Best person to help create app you desire. Did what I asked and even more, and did it perfectly!”
Fiverr
F
Factsinreallife
Music Artist, Uganda
5.0
2025Shalom Artist Music App
“Rahim has once again done an excellent job. He has been working with me long term and consistently delivers high quality work with great communication. His understanding of Android app development, monetization, publishing, and overall app lifecycle is outstanding. I highly recommend him to everyone.”
Fiverr
S
saraking845
United States
5.0
2025Tik Dating Video App
“Rahim did an excellent job on my second app. From the beginning, he showed strong understanding, patience, and attention to detail. He took my ideas and turned them into a fully functional app that looks and performs great. What stood out most was his dedication, he made sure everything was working properly and was always willing to make adjustments when needed. Communication was clear and professional the entire time. If you are looking for someone reliable who actually delivers results, Rahim is the right choice. I am very satisfied with the outcome and would highly recommend him.”
Fiverr
B
bobbyjones669
United States
5.0
2025B3G TV App
“Rahim helped build and deploy the B3GTV app infrastructure, including subscriptions, backend setup, and store submissions. The project involved multiple systems and platforms, and we worked through a lot during development. I appreciate the technical work and support throughout the process and look forward to continuing to improve the platform moving forward.”
Fiverr
AK
Azreena Kaiyum
eBook Platform Owner
5.0
2024Hush eBook Reader App
“Amazing guy to work with and is very responsive and gets the job done quickly. 1000% recommended. Best person to help create app you desire. Did what I asked and even more, and did it perfectly!”
Fiverr
F
Factsinreallife
Music Artist, Uganda
5.0
2025Shalom Artist Music App
“Rahim has once again done an excellent job. He has been working with me long term and consistently delivers high quality work with great communication. His understanding of Android app development, monetization, publishing, and overall app lifecycle is outstanding. I highly recommend him to everyone.”
Fiverr
S
saraking845
United States
5.0
2025Tik Dating Video App
“Rahim did an excellent job on my second app. From the beginning, he showed strong understanding, patience, and attention to detail. He took my ideas and turned them into a fully functional app that looks and performs great. What stood out most was his dedication, he made sure everything was working properly and was always willing to make adjustments when needed. Communication was clear and professional the entire time. If you are looking for someone reliable who actually delivers results, Rahim is the right choice. I am very satisfied with the outcome and would highly recommend him.”
Fiverr
B
bobbyjones669
United States
5.0
2025B3G TV App
“Rahim helped build and deploy the B3GTV app infrastructure, including subscriptions, backend setup, and store submissions. The project involved multiple systems and platforms, and we worked through a lot during development. I appreciate the technical work and support throughout the process and look forward to continuing to improve the platform moving forward.”
Fiverr
AK
Azreena Kaiyum
eBook Platform Owner
5.0
2024Hush eBook Reader App
“Amazing guy to work with and is very responsive and gets the job done quickly. 1000% recommended. Best person to help create app you desire. Did what I asked and even more, and did it perfectly!”
Fiverr
F
Factsinreallife
Music Artist, Uganda
5.0
2025Shalom Artist Music App
“Rahim has once again done an excellent job. He has been working with me long term and consistently delivers high quality work with great communication. His understanding of Android app development, monetization, publishing, and overall app lifecycle is outstanding. I highly recommend him to everyone.”
Fiverr
S
stefantutuianu
United Kingdom
5.0
2025App Testing and QA
“Attention to details, Professionalism of work, Proactive communication and Deep understanding.”
Fiverr
J
josec485
United States
5.0
2025User Testing
“Very responsive, was able to guide me through the process, this being my first time. He was a great person to work with. Will be using him again for the next project.”
Fiverr
D
dasitmane01
Canada
5.0
2025User Testing
“Second time working with Rahim. Very satisfied.”
Fiverr
S
stefantutuianu
United Kingdom
5.0
2025App Testing and QA
“Attention to details, Professionalism of work, Proactive communication and Deep understanding.”
Fiverr
J
josec485
United States
5.0
2025User Testing
“Very responsive, was able to guide me through the process, this being my first time. He was a great person to work with. Will be using him again for the next project.”
Fiverr
D
dasitmane01
Canada
5.0
2025User Testing
“Second time working with Rahim. Very satisfied.”
Fiverr
S
stefantutuianu
United Kingdom
5.0
2025App Testing and QA
“Attention to details, Professionalism of work, Proactive communication and Deep understanding.”
Fiverr
J
josec485
United States
5.0
2025User Testing
“Very responsive, was able to guide me through the process, this being my first time. He was a great person to work with. Will be using him again for the next project.”
Fiverr
D
dasitmane01
Canada
5.0
2025User Testing
“Second time working with Rahim. Very satisfied.”
Fiverr
S
stefantutuianu
United Kingdom
5.0
2025App Testing and QA
“Attention to details, Professionalism of work, Proactive communication and Deep understanding.”
Fiverr
J
josec485
United States
5.0
2025User Testing
“Very responsive, was able to guide me through the process, this being my first time. He was a great person to work with. Will be using him again for the next project.”
Fiverr
D
dasitmane01
Canada
5.0
2025User Testing
“Second time working with Rahim. Very satisfied.”
Fiverr
Built With Modern Tools
I stay sharp with the latest frameworks and technologies to deliver cutting-edge solutions for every project.
Flutter
Dart
Android
Java
Kotlin
React
Next.js
TypeScript
JavaScript
HTML5
CSS3
Tailwind CSS
Flutter
Dart
Android
Java
Kotlin
React
Next.js
TypeScript
JavaScript
HTML5
CSS3
Tailwind CSS
Flutter
Dart
Android
Java
Kotlin
React
Next.js
TypeScript
JavaScript
HTML5
CSS3
Tailwind CSS
Flutter
Dart
Android
Java
Kotlin
React
Next.js
TypeScript
JavaScript
HTML5
CSS3
Tailwind CSS
Node.js
Laravel
REST APIs
PostgreSQL
MongoDB
MySQL
Firebase
Supabase
AWS
GCP
Vercel
ChatGPT
Node.js
Laravel
REST APIs
PostgreSQL
MongoDB
MySQL
Firebase
Supabase
AWS
GCP
Vercel
ChatGPT
Node.js
Laravel
REST APIs
PostgreSQL
MongoDB
MySQL
Firebase
Supabase
AWS
GCP
Vercel
ChatGPT
Node.js
Laravel
REST APIs
PostgreSQL
MongoDB
MySQL
Firebase
Supabase
AWS
GCP
Vercel
ChatGPT
Android Studio
Xcode
VS Code
Figma
Git
GitHub
Google Play
App Store
RevenueCat
Stripe
WordPress
Android Studio
Xcode
VS Code
Figma
Git
GitHub
Google Play
App Store
RevenueCat
Stripe
WordPress
Android Studio
Xcode
VS Code
Figma
Git
GitHub
Google Play
App Store
RevenueCat
Stripe
WordPress
Android Studio
Xcode
VS Code
Figma
Git
GitHub
Google Play
App Store
RevenueCat
Stripe
WordPress
Transparent Pricing
Clear pricing, no hidden fees. Choose the plan that fits your project and let's build something great together.
Premium
App Development
Complete app solution with monetization, payments, and launch support
$1500
Starting price•30 days
- Unlimited screens
- Premium UI/UX design
- Cross platform (iOS and Android)
- Payment and subscription integration
- Ad network integration
- Admin panel or dashboard
- +4 more included
Professional
App Testing
Google Play closed testing with 12+ real testers for 14 days
$100
Starting price•14 days
- 12+ real testers with user logins
- Daily testing for 14 days
- Bug and UI review reports
- Annotated screenshots
- Closed testing track setup
- Tester feedback and answers applied
- +1 more included
Professional
Web Development
Multi page business website with CMS
$400
Starting price•10 days
- Up to 7 pages
- Custom design
- CMS integration
- Full SEO optimization
- Analytics setup
- Contact form with email
- +2 more included
Professional
App Publishing
Both platforms with optimized store listings
$100
Starting price•3 days
- Google Play AND App Store submission
- Optimized store listing copy
- Screenshot design and formatting
- Feature graphic design
- ASO keyword optimization
- TestFlight or internal testing setup
- +1 more included
Insights & Articles
Practical knowledge from real projects. Tips, guides, and lessons learned from building and shipping mobile apps.
Let's Work Together
Have an app idea? Need help with development or testing? Send me a message and let's turn your vision into reality.
Get In Touch
I'm actively available on Fiverr and for direct projects. Expect a response within 24 hours.
Email
contact@rahimdev.net
WhatsApp
Available for chat
Location
Pakistan — Working Globally
Also available on Fiverr & Upwork