Crowdtesting services at Lean Apps | Lean Apps GmbH

150K testers at your Disposal

Test Websites, Apps or Internet of Things Applications with the help of Innovative Technologies

Lean Apps partnered with Testbirds for providing Crowdtesting services to it’s customer. This allows us to test our products with real customers rather than just in closed environment. Crowdtesting is also a very good way to get validation on initial ideas, prototypes and MVPs. Testbirds specialises in the testing of software such as apps, websites and Internet of Things applications by using innovative technologies and solutions. Under the slogan, “Testing 4.0 – The Next Generation of Quality. With over 150,000 registered testers located in 193 countries, Testbirds is one of the world’s leading crowdtesting providers.

What we test

Websites & Portals

Mobile Apps

Internet of Things



Other Applications

Functionality, QA, Usability and UX - Crowdtesting and Cloud Based Solutions from Lean Apps


Testing on Real Device

Crowdtesters use their own device, hence the testing is done on real device rather than a lab device

Infinite scalability

Crowdtesting are large pool of online community, so they can be scaled from 0 to 10 to 100 within few days

No Labs: Real Environment

Crowdtesters test in real environment such as home, university or on the go. This is able to cover various other constraints such as internet speed, different locations etc.

User Perception

With crowdtesters there will be no bias that in-house team such as Product Owner, developers and testers carry. They provide feedback as real users

Interested in Working together to change the world?