Site Reliability Engineering for Native Mobile Apps – AndroidGuys | Hot Mobile Press

The reliability of mobile applications on the user’s smartphone is a crucial property of any application in the modern world. With all these hundreds of thousands of applications that meet different user needs, in the end a person will choose the one that is more secure and solves their problems.

Nowadays, many companies are engaged in the development of mobile applications. And they often choose this path because they believe that developing mobile applications is a simple matter. Building sufficiently reliable applications at scale presents several problems. For example, you need to consider device variations, different display sizes, battery capacity, device storage, compatibility with some operating systems, etc.

According to Statista’s website, it was found that 25% of apps downloaded by mobile app users worldwide were opened only once after downloading.

This article is about not filling up these statistics and building reliable applications.

Site Reliability Engineering (SRE) is a principle, practice, and dynamic organizational approach to ensure the reliability of continuous application development. World-renowned industry leaders use this approach to improve the speed and reliability of features.

SRE started with the goal of achieving reliability in large distributed systems. You can use SRE principles to improve the reliability of mobile applications.

SRE principles for mobile applications

Creating a 100% reliable system is a pretty tricky goal, at least because of its cost. However, if the software development company focuses on designing a dedicated website, it will offset the risk that this system will not be available in the future. The end goal here should be to make both the company and the end users happy.

Application risk measurement

When you can accurately measure risk tolerance for an application, it protects against unexpected risks and helps us take the right actions at the right time through alerts.

The SRE has Service Level Indicators (SLIs), Objectives (SLOs) and Agreements (SLAs) to describe the essential properties of essential metrics. Choosing the right metrics helps you take the right actions at the right time, increasing the reliability of your application development.

Service Level Agreements (SLAs) are contracts between a team developing a service and its users to define a set of objectives (SLOs) in terms of availability, responsiveness, etc. Service Level Objectives (SLOs) are agreements within SLAs for a specific metric, such as susceptibility.

application availability

Application availability is one of the most critical metrics for measuring reliability. Two major categories for an application to become unavailable are crashes and application versioning.


Errors, if they occur frequently, render any application unusable. Unhandled exceptions are issues that need to be fixed immediately with high priority.

monitoring and alerting

Monitoring and alerting on problems and abnormal behavior at the right time helps to solve them faster. And it’s just as important to have issue alerts while a feature is in development. Sometimes this is even more important than getting the final error message.

How can we learn from mistakes?

We have to analyze every loss of production posthumously. The best way to create an analysis is to follow these steps:

  • formulation of the problem
  • Business Impact Assessment
  • Deadlines for detecting a problem
  • Last minute fixes to get the business up and running and
  • Sentences with training


Capture errors accumulate over time, and as they are discovered, the number per DevOps team increases. At this point, companies can better understand the tradeoffs they must make to bring products to market, rather than haphazardly accumulating this technical debt over time.

Deploying robust mobile apps at scale is no easy task. Adopting the SRE approach can be a lifesaver and create a new socio-technical approach to application development.

Author’s biography: Anastasiia Lastovetska is a technology writer at MLSDev, a software development company that builds web and mobile app solutions from scratch. She researches technology to create great content about app development, UX/UI design, technology and business consulting.

Photo by Ketut Subiyanto:

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