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English
$
USD
I will test and fix bugs in your iphone and android application
Work is worship, clients are God
Myself Kumar, a Senior Mobile App Engineer / Product Lead with 12+ years of work experience in building reliable and scalable mobile applications.
I specialize in mobile app development across iOS, A...
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
Highly Responsive
Known for exceptionally quick replies
What people loved about this freelancer
adriendumontt
Spain
Kumar did an amazing job and we were honestly very surprised by the quality of the work. Everything was delivered professionally and the final result exceeded...
mike_romero1984
United States
Moves very fast and respond right away. Straightforward with the work and the price honest and can be trusted. I look forward to working with him and all my...
selfsupport
United States
Kumar knew what solutions were needed to fix bugs in my iOS project. I am very happy with the work that was done. I certainly would use Kumar's services again....
selfsupport
United States
Kumar showed expertise and skill successfully fixing the bug in my iOS project. Communication during the process was excellent. Delivery was on time, and earlier...
arindamsen108
India
Kumar did a great job. He fixed the Event API issues on time and also uploaded the app to the App Store. I really appreciate his work and would highly recommend him.
About this Gig
Welcome to my gig!
Are you facing bugs, crashes, UI issues, or performance problems in your iOS or Android app? I can help you test, identify, and fix issues to improve your apps stability and user experience.
Orders Completed: 1k+
Experience: 14+ Years in Mobile App Development/Maintenance
Platforms: iOS and Android
Skills: iOS, Android, Swift, SwiftUI, Objective-C, Kotlin, Java, Flutter, React Native, Firebase, API Integration, JSON, Database, UI/UX Issues, App Crashes, Performance Optimization, Unit Testing, BLE, VoIP, and Live Streaming.
What You Get:
I will carefully test your app, identify bugs, fix minor to medium-level issues, improve app stability, and provide a clear summary of the completed work.
I can help with app crashes, UI issues, functionality bugs, API/data issues, performance problems, navigation issues, and general mobile app testing.
Why Choose Me?
With 12+ years of mobile app development experience, I focus on quality work, clear communication, proper testing, and timely delivery.
Custom offers are available depending on the app, source code, and issue complexity.
Please message me before placing an order.
Testing application:
Mobile app
Development technology:
Flutter
•
Kotlin
•
React Native
•
Swift
•
Unity
Device:
Mac
•
iPhone
•
iPad
•
Android mobile phone
•
Android tablet
My Portfolio
FAQ
Do you test both iOS and Android apps?
Yes, I can test both iOS and Android apps. You can choose the package based on one app or both platforms.
Can you provide a bug report only?
Yes, the “One App Testing” package includes detailed bug investigation with documentation and screenshots.
Do you fix bugs also?
Yes, I can fix bugs based on the selected package. Bug fixing depends on the issue complexity and source code condition.
Can you fix app crash issues?
Yes, I can investigate and fix crash issues if source code and required access are provided.
How many bugs are included in the bug-fixing package?
It depends on complexity. Usually, the package covers minor to medium-level bugs. Complex issues may require a custom offer.
Do you work on Flutter or React Native apps?
Yes, I can work on native iOS/Android, Flutter, and React Native apps.
What do you need to start the work?
I need the app details, issue list, screenshots/videos if available, source code access, and test login credentials if required.
Should I contact you before placing an order?
Yes, please message me before placing an order so I can check the issue details and confirm the exact scope, cost, and timeline.
Reviews
131 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A adriendumontt
Repeat Client
Spain
Kumar did an amazing job and we were honestly very surprised by the quality of the work. Everything was delivered professionally and the final result exceeded our expectations. He clearly has a lot of knowledge, communicates very well, and made the whole process smooth and easy. We really loved the...
Up to $50
Price
4 days
Duration
Helpful?M mike_romero1984
Repeat Client
United States
Moves very fast and respond right away. Straightforward with the work and the price honest and can be trusted. I look forward to working with him and all my future projects. I think I found the person that’s going to be my number one.
$50-$100
Price
3 days
Duration
K 
Seller's Response
Helpful?S 
selfsupport
Repeat Client
United States
Kumar knew what solutions were needed to fix bugs in my iOS project. I am very happy with the work that was done. I certainly would use Kumar's services again. Communication was clear, easy and error free while progress was being updated during the project.
$100-$200
Price
2 days
Duration
Helpful?S selfsupport
Repeat Client
United States
Kumar showed expertise and skill successfully fixing the bug in my iOS project. Communication during the process was excellent. Delivery was on time, and earlier than expected. I highly recommend the professionalism of Kumar, and the service being offered.
$100-$200
Price
2 days
Duration
Helpful?A arindamsen108
Repeat Client
India
Kumar did a great job. He fixed the Event API issues on time and also uploaded the app to the App Store. I really appreciate his work and would highly recommend him.
Up to $50
Price
1 day
Duration
Helpful?
Reviews
131 reviews for this Gig
| (131) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A adriendumontt
Repeat Client
Spain
Kumar did an amazing job and we were honestly very surprised by the quality of the work. Everything was delivered professionally and the final result exceeded our expectations. He clearly has a lot of knowledge, communicates very well, and made the whole process smooth and easy. We really loved the...
Up to $50
Price
4 days
Duration
Helpful?M mike_romero1984
Repeat Client
United States
Moves very fast and respond right away. Straightforward with the work and the price honest and can be trusted. I look forward to working with him and all my future projects. I think I found the person that’s going to be my number one.
$50-$100
Price
3 days
Duration
K Seller's Response
Helpful?S selfsupport
Repeat Client
United States
Kumar knew what solutions were needed to fix bugs in my iOS project. I am very happy with the work that was done. I certainly would use Kumar's services again. Communication was clear, easy and error free while progress was being updated during the project.
$100-$200
Price
2 days
Duration
Helpful?S selfsupport
Repeat Client
United States
Kumar showed expertise and skill successfully fixing the bug in my iOS project. Communication during the process was excellent. Delivery was on time, and earlier than expected. I highly recommend the professionalism of Kumar, and the service being offered.
$100-$200
Price
2 days
Duration
Helpful?A arindamsen108
Repeat Client
India
Kumar did a great job. He fixed the Event API issues on time and also uploaded the app to the App Store. I really appreciate his work and would highly recommend him.
Up to $50
Price
1 day
Duration
Helpful?
