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Case study: Global App Testing helps Acasa reduce app crash rates and improve their NPS

Discover how Global App Testing helped Acasa, a SaaS startup, reduce their app crashes and improve their Net Promoter Score (NPS) through customized testing solutions.

QA and Product Managers of companies, localization and globalization teams, tech startups looking to improve the quality of their applications.
September 16, 2026 · 58.3 KB · 3 page(s) ·
crowdtesting reduction of app crashes improvement of NPS Acasa case study
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How Global App Testing helped Acasa reduce app crash rates and improve their NPS

Acasa is a seed round SaaS company which helps consumers cut down their utility bills. We helped them drive a higher NPS and reduce crash rates in order to keep delivering for their clients. Interested in learning about how we could help you? Talk to a member of our team.

The company

Typical high-growth startups focus on building a product first—with their customer in mind—without considering quality assurance as an ongoing part of the process. The team at Acasa was no exception. Although they had top development talent, none of the staff were dedicated testers or had much experience with app testing on a professional level.

The team relied on a combination of existing staff and beta testers to find bugs (or simply waited for customers to let them know). Acasa had no established process for dealing with app QA and so the bugs just kept piling up, leading to disgruntled customers submitting bad reviews about the bill-sharing app and negatively impacting the company’s reputation.

It was time for a change.

Acasa wanted to reduce app crash rates and improve their NPS

The budding company did not have the resources necessary to implement a consistent QA process. This negatively affected their brand reputation, and resulted in a drop in their net promoter score (NPS).

To make matters worse, bug reports the team gathered had no consistent format, as they were sourced from so many places. Some were very descriptive and actionable, whereas others were vague and unhelpful. Trying to juggle app testing with no consistency left the Acasa team overworked and overwhelmed, causing tension among the ranks. The developers wanted to release new features, but didn’t want to further damage their reputation with customers by sacrificing quality for speed.

Our custom QA solution for Acasa

Acasa had too many bugs and not enough resources to manage them all—they knew it was time to ask for help. We began with exploratory testing, during which we pushed the Acasa app to its limits to find edge case bugs that were causing app crashes and failures. Our tester network was able to test the app on a wide variety of devices and operating systems, so we knew the tests were thorough.

After the initial exploratory tests, the development team at Acasa was able to use the actionable results provided by our in-house bug moderation team to address many of the bugs that were causing crashes in the current version of their app. We then helped the Acasa team set up a suite of regression test cases so that they could verify that new updates weren’t causing damage to otherwise stable areas of the app.

Adopting this new approach to QA as part of their development process alleviated much of the stress felt by the Acasa team and allowed them to focus on adding new features to their app rather than doing damage control. With more stable releases of their app, their NPS score increased as customers were more satisfied with their product.

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About Global App Testing

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Global App Testing (GAT), legally registered as Global App Testing (Spa Worldwide Limited), is a United Kingdom-based B2B technology company specializing in crowdtesting services for software products. The company operates a global network of over 120,000…

Legal name: Global App Testing (Spa Worldwide Limited)

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