Upwork home
Sign up
Project Catalog
DesignDesign
Video & AudioVideo & Audio
Development & ITDevelopment & IT
MarketingMarketing
Writing & TranslationWriting & Translation
MoreMore

You will get Best Android App in either Java or Kotlin

RD S.Status: Offline
RD S.
4.8
Preview image

Let a pro handle the details

Buy Mobile App Improvements services from RD, priced and ready to go.
RD S.Status: Offline
RD S.
4.8
Preview image

Let a pro handle the details

Buy Mobile App Improvements services from RD, priced and ready to go.

Project details

Android | Android App | Android App Developer | Kotlin | Java

If you have some custom requirements for mobile app development, please drop a message on inbox;
Platform
Android
App Type
Native App
Development Technology
Java, Kotlin
App Purpose
Chat, Delivery, Finance, Entertainment, Education, Health & Fitness, Maps & Navigation, Productivity, Restaurant, Travel
Expertise
Design, Localization, Performance Optimization
What's included
Service Tiers Starter
$599.99
Standard
$1,499.99
Advanced
$2,999.99
Delivery Time 4 days 15 days 20 days
Number of Revisions
124
App Store Upload
Source Code
Optional add-ons You can add these on the next page.
Fast Delivery
+$99 - $499
Additional Revision
+$99
4.8
59 reviews
90% Complete
(53)
5% Complete
(3)
2% Complete
(1)
2% Complete
(1)
2% Complete
(1)

GR

Gary R.
5.00
Oct 10, 2025
iOS Rework Good work, understand the concepts well

NL

Nicole L.
4.85
Aug 7, 2025
Provide development support for our iOS and Android apps

MH

Mirza H.
5.00
Oct 3, 2024
Android-Kotlin projectwork - adding store number dynamic to create API

MH

Mirza H.
5.00
Aug 12, 2024
Android-Kotlin projectwork - adding store number dynamic to create API

BT

Bob T.
5.00
Jun 26, 2024
Android Updates for previousprojects RD was great to work with. He was quick to respond to requests and figure things out.
RD S.Status: Offline

About RD

RD S.Status: Offline
Best Top Rated Mobile App Developer(Kotlin | Swift | React | Flutter)
100% Job Success
4.8  (59 reviews)
Toronto, Canada - 7:43 am local time
I am a Canada-based Mobile App Developer with 10+ years of experience in designing, developing, and launching high-performance mobile applications for both Android and iOS. Whether you need a Native or Cross-Platform app, I ensure scalability, security, and seamless user experiences.

📲 Mobile App Development Expertise:

✔ Android: Kotlin, Java
✔ iOS: Swift, Objective-C
✔ Cross-Platform: Flutter (Dart), React Native

🎨 UI/UX Design Tools:

✔ Figma, Adobe XD, Sketch, Photoshop, InVision

🔥 Backend & Database Management:

✔ Firebase, SQLite, MySQL, PostgreSQL

🌍 API & Third-Party Integrations:

✔ Payment Gateways: Stripe, PayPal, Square, Braintree
✔ Social Logins: Google, Facebook, Apple
✔ Cloud Services: AWS SDKs, Google Maps API, Twilio, Firebase Push Notifications, Agora

🛠 Development Workflow:

✔ Agile Methodology, Scrum
✔ Version Control: GitHub, Bitbucket
✔ Continuous Integration & Deployment (CI/CD)

🔥 What You Get Working With Me:

✅ Transparent Communication – Clear updates & collaboration
✅ On-Time Delivery – Meeting deadlines is a priority
✅ High-Quality Code – Scalable, maintainable, and efficient
✅ Long-Term Support – I’m here for future updates and improvements

Let’s build something amazing together! 💡 Drop me a message to discuss your project.

Steps for completing your project

After purchasing the project, send requirements so RD can start the project.

Delivery time starts when RD receives requirements from you.

RD works on your project following the steps below.

Revisions may occur after the delivery date.

Would you mind adding the design file

Please upload the design file.

Review the work, release payment, and leave feedback to RD.