Our References – what our clients say about us

Thanks to the excellent levels of quality we provide, we have been able to convince a number of high profile clients from all industry sectors to trust in our products and services. Similarly, we cooperate with small and medium-sized enterprises in addressing their concerns – just have a look at their quotes and experiences on the testbirds products and services they used

End-to-End Testing
“The communication between Telekom, Testbirds and the client development department was very helpful. With the aid of Testbirds we were able to identify and fix bugs as well as gather deep and direct feedback from our customers, which we wouldn’t have found otherwise.”
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Michael Gater

Service Launch Manager, Deutsche Telekom

Device Cloud
“Device testing is integral to our mobile QA process at Rebtel. We’ve tried many cloud device testing platforms and none can provide the functionality we need. The GRDN promises to meet our needs and then some, with the globally distributed nature of the network representing real users much better than a single-location device-farm.”
Discover Device Cloud>

Andy Kaminski

Head of Mobile, Rebtel

Exploratory Bugtests
“By crowdtesting on the right devices with the right browser versions and operating systems, Testbirds helps us deliver more customer-friendly websites and keep them customer-friendly…We have a continuous process of change, adjustment and improvement. Testbirds offer their testing solutions with the same flexibility and agility, which made us decide to embed their testing services continuously into our development cycle.”
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Corny van de Wal

Team Manager Shop Development & Production, Otto

Comparison Study
“The results of the A/B comparison UI test for content discovery on VEON had a direct impact on the platform and business and we are grateful for Testbird’s efforts. I wouldn’t hesitate to work with them again.”
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David Kane

Director of Editorial Content, Veon


Test Automation

„Die Zusammenarbeit mit den Entwicklern seitens Testbirds funktioniert sehr unkompliziert und auf hohem fachlichem Niveau. Alle unsere Anforderungen konnten in dem jeweils von uns vorgegebenen Zeitrahmen ohne Verzögerungen und ohne Probleme erfüllt werden“
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Alexander Gunnar Kiefer

Technischer Projektleiter, Deutsche Telekom

Usability and UX Study
“Working with Testbirds led to us professionalising our testing process, as it forced us to critically examine our own testing structure. It definitely made our organisation more mature in that respect. Furthermore, crowdtesting has proven to be efficient. We can start testing on a Monday and see the results
on Tuesday. It’s a powerful addition to our development process.”
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Lieven Swinnen

Manager e-Business, Landal GreenParks


Training Academy

„The Testbirds Training Academy was an excellent experience. Our trainer David has explicitly responded to our participants based on their different levels of knowledge. He has succeeded in taking into account all the individual questions and desires, as well as relevant examples and exercises. In this way, we were able to learn about the functions in a practical way, allowing us to already test the first approaches. Testbirds receive the top score for this comprehensive training.“
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Isabella Waschak

UX Researcher Testing, metafinanz


BugAbility™

“After we came to the conclusion that internal testing simply is not enough for us anymore, we decided to do Crowdtesting. If the product reaches a certain degree of complexity, internal testing requires too many resources. Furthermore, unbiased testers find mistakes, which would remain undiscovered otherwise.”
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Manuel Haug

Head of Product Management Core, Celonis


BugAbility™

“The test showed that the app was not yet intuitive enough. Many navigation elements were not perceived as such(…)For us, of course, it was extremely important that the light bulbs arrive undamaged at the tester and come back just as intact after testing“
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Marcus Köhler

CEO, ComfyLight


BugAbility™

“A very valuable result for us was that some testers could not connect the camera with the app. (…) Based on the test results we were able to fix such critical bugs before the product launch.”
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Marcus Köhler

CEO, ComfyLight

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