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Karl falk
@karlfalk
Level 1
Mobile App Testing Expert, Android QA and Google Play Closed Testing
Pakistan
German, Hindi, English, Italian, Punjabi, Spanish, French
About me
Hi, I’m Karl, an app testing expert helping developers launch their Android apps successfully on Google Play. I provide reliable Android app testing, and beta testing services with real testers to help complete testing requirements, identify issues, and improve app quality before release.
I focus on professional support, clear communication, and delivering real value for every project. Whether you are a developer, startup, or business owner, I make the testing process simple, smooth, and stress-free.
Partner with me today and let’s prepare your app for a successful launch.
Skills
Karl falk
Offline •
Average response time: 1 hour
See my services
Mobile App Marketing
I will do 12 to 50 real testers for android app testing google play closed testing ads
Family & Genealogy
I will do africa america genealogy research family tree, ancestry lineage, dna analysis
Portfolio
13 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 13 Reviews
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msavignano
Germany
Ongoing collaboration
Was a pleasure working with him. He was very cooperative and communicative before and while working on the project. Results are clean and useful.
Seller's Response
Helpful?
msavignano
Germany
Ongoing collaboration
Came back for another project due to the cooperative and communicative attitude showed before. Results are clean and useful. Been a pleasure working with him.
Seller's Response
Helpful?
doku_abel
Romania
Ongoing collaboration
Excellent work as always! Everything was completed smoothly, communication was great, and the testers were delivered as promised. Very reliable seller and highly recommended!
Seller's Response
Helpful?
cole_alexandere
United Kingdom
Excellent work! The manual came out professional, clean, and easy to follow. Great communication and attention to detail, highly recommended!
Seller's Response
Helpful?
dwdata
United States
Professional. Looking forward to working with him in the future.
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