how do you evaluate an app performance

• Load testing. A tester increases the number of users and concurrent transactions to define the app’s load threshold. ...
• Stress testing. Aimed at assessing the performance of an app in case the CPU usage, system memory, or other hardware specs are reaching their limits. ...
• Capacity testing. This test helps developers find out what number of users and features the app is capable of maintaining. ...
• Spike testing. This test is carried out when the traffic load in the app surges for a short period of time. ...

How to measure the performance of an app?

Whether an app has good or bad performance depends on three factors: the backend, the network, and the app itself running on the device. A developer or mobile tester can measure the performance of an application in different scenarios.

How can I improve the performance of my App?

For mobile performance, the lower the latency and the higher the bandwidth, the better. An app’s performance can vary depending on, for example, whether it’s connected to a 3G network or a 4G network, and unfortunately, this is beyond an app developer or tester’s control.

What is mobile app performance testing?

Ensuring the mobile applications perform well while using data, Wi-Fi or other connectivity Performance Testing requires an understanding of Mobile App, resource utilizer, virtual users, emulators and multiple test strategies. App performance on a mobile phone is measured in following three categories.

How can I test the performance of my native apps?

Obtain rich performance data for your app on real devices. With Apptim, you can test all of your native apps’ performance with just one tool, instead of one for Android and one for iOS and also compare performance over time. Now, you may be wondering, “At what point in the development cycle should I start running client-side performance testing?”

How do you measure app performance?

To calculate the retention rate, divide the number of monthly active users by the number of app installations. This will give you an aggregated retention rate. Let's say you have 600 MAUs, and 1000 users installed your app. The aggregated retention rate is 60%.

How do you measure the success of a mobile app?

8 Metrics You Should be Using to Track Mobile App SuccessUsers (Not just new – all) ... Session Length. ... Session Interval. ... Time in App. ... Acquisition. ... Screen Flow. ... Retention. ... Lifetime Value (LTV)More items...

What are the KPIs for an app?

Here are 10 key metrics formulas and mobile app KPIs that will help you measure the impact of the hard work you put in to develop your audience.Retention Rate. ... Churn Rate. ... Monthly Active Users (MAUs) ... Daily Active Users (DAUs) ... Daily Sessions Per Daily Active User. ... Stickiness. ... Average Session Length.More items...

What are the 5 recommendations for apps better performance?

By following these five tips, app developers can deliver a product that upholds peak performance long beyond launch.Put functionality first. ... Meet user expectations. ... Test on both iOS and Android. ... Carry out continuous testing. ... Watch out for updates.

What is performance in mobile application?

What is mobile app performance? Mobile app performance refers to how well an app runs on a mobile device under various loads and circumstances. It might require measuring how long an app takes to load, mitigating crashes during peaks in user activity, or monitoring battery usage.

How do apps measure engagement?

Session length Session length is the measure of the time period between the opening and closing of an app by the user, or in between the first activity and the last activity that he performs. More engagement would mean longer session durations.

What Analytics Should I track app?

Mobile App Analytics: The 12 Most Important Metrics to MeasureNumbers of Downloads and Installations. ... Number of Users. ... Lifetime Value. ... Retention Rate. ... Active Users. ... Session Length. ... Average Revenue per User. ... Cohort Analysis.More items...•

How do mobile apps measure engagement?

To study your mobile app engagement and understand how users interact with your app, here are 4 important KPIs to track:Time spent on the app (session length) Considering the type and amount of content available in your app, does the time spent on your app seem appropriate? ... Frequency of use. ... Repeat usage. ... Exit rate.

What are 4 ways in which you can help with the performance or speed of an app?

Effective ways to increase the mobile app speed#1: Settle only for a high-performing native app. ... #2: Choose the right server and use caching. ... #3: Go for a Content Delivery Network. ... #4: Perform image and content optimization. ... #5: Reduce the number of ads and analytics. ... #6: Acquire knowledge about helpful tools.More items...•

What are the key factors that impact performance of a mobile app for end user?

The following are the industry's top 15 factors that impact application performance:Application Complexity. ... Application Design. ... Application Testing. ... The Butterfly Effect. ... The Infrastructure and Components of the Application Service. ... The Network. ... The Dynamic IT Environment: Virtualization and the Cloud. ... Mobility.More items...•

How do you improve functionality of an app?

How To Improve Your Mobile App User ExperienceUse Native Component In Your Mobile Application. ... Keep Your App Design Simple. ... Improve Consistency In Your App Design. ... Improve The Search Feature Ιn Your App Design. ... Animate Your Transitions. ... Test Your App And Find Ways To Improve It.

What is monitoring and measuring?

Monitoring and measuring if your application is online and available is a key metric you should be tracking. Most companies use this as a way to measure uptime for service level agreements (SLA).

Why is it important to scale up and down in the cloud?

If your application scales up and down in the cloud, it is important to know how many server/application instances you have running. Auto-scaling can help ensure your application scales to meet demand and saves you money during off-peak times. This also creates some unique monitoring challenges.

What is retrace monitoring?

Depending on your type of application, there could be many other monitoring needs. Retrace can help you monitor a broad range of web application performance metrics. Retrace collects critical metrics about your applications, servers, code level performance, application errors, logs, and more.

What happens if CPU usage is high?

If the CPU usage on your server is extremely high, you can guarantee you will have application performance problems. Monitoring the CPU usage of your server and applications is a basic and critical metric. Virtually all server and application monitoring tools can track your CPU usage and provide monitoring alerts.

What is app unit?

App Units are the number of first-time downloads of your app. The Overview tab in App Analytics provides a general view of your App Units as well as breakouts by territory, device, and source. To see data over a specific time period, select a custom date range.

What is data recorded on an app?

Measure the daily performance of your apps and in-app purchases on iOS, iPadOS, macOS, and tvOS. Data is recorded when a customer initiates a transaction on the App Store or in your app. Note that data for iMessage apps and sticker packs is associated with iOS.

What is an in-app purchase?

In-app purchases include consumables, non-consumables, auto-renewable subscriptions, and non-renewable subscriptions. To see a high-level summary of your in-app purchases, visit the Overview page and look at the In-App Purchases section.

How to execute performance testing?

In order to successfully execute performance testing, a project manager has to come up with a strategy. Normally, a step-by-step performance testing plan consists of the following steps. Step 1. Align test objectives and business requirements. Performance testing will only be as good as its goals.

What is performance assessment?

For testers, performance assessment normally means running parallel tests of the system response on a range of devices, checking the app’s performance at peak points of traffic loads, and ensuring that it’s stable under poor internet connection and supports device-specific transactions.

What is UI Automator?

UI Automator is an open-source tool for mobile app performance testing. Testers can write JavaScript-based scripts for automation and execute them. UI Automator has an easy-to-use interface and a built-in Android emulator. As of now, the app doesn’t support iOS apps.

What is a tester?

A tester has to ensure the performance of the product does not change drastically when a user moves to a different location. You can achieve this by using location simulators. Fragmentation testing. A development team needs to ensure the app supports different versions of the operating system it has been designed for.

Why are mobile apps not multitasking?

Mobile apps rarely allow multitasking due to limited software capacity, one-screen constraints, and comprehension quality. While porting a PC app into a mobile-based project can be a way to go, in order to harness the full power of device-specific features, developers tend to build mobile software from the ground up.

What is Appium Studio?

Appium Studio is a free tool for mobile performance testing. It’s widely praised around the web thanks to a code that’s easy to read and write, a wide variety of supported tests, and a unique XPath.

What is an environment setup?

Environment setup is capable of determining the accuracy of tests and the number of insights a QA specialist can gather out of any executed test. Setting up an environment for an app or mobile website performance testing consists of the following steps:

Single-User Tests

This is something that is often not given the attention it deserves. The most common use of single-user tests is as a validation mechanism for the scenario or script that has been created for your test. The premise being that if a single-user test does not work, the scenario is flawed and needs continued work.

Manual Pagination

Without pages, a test is nothing more than a series of requests and responses. Adding pages gives us the ability to group the requests and responses into something that makes sense to us and the users of our applications. In an html site, the home page, while considered a single item, will consist of many requests.

Server-Monitoring

In addition to monitoring the performance of responses coming back from your application (s), you should also monitor the servers (web, application, db and other) that are used by the application.

What is the best tool to load test a mobile app?

Several tools allow you to load test your mobile app. The most commonly used ones include: Apache JMeter – the number one open-source load testing tool. Gatling – a developer-friendly, open-source load testing tool with scripts written in Scala.

What is a mobile tester?

A developer or mobile tester can measure the performance of an application in different scenarios. For example, they can test for when there’s a concurrency of users on the app at the same time, on different devices (which vary in hardware resources and screen sizes), and multiple networks such as 3G, 4G, Wifi, and more.

What is the backend of an app?

A mobile app’s backend architecture is generally based on an application server, a web server, and a database. When it comes to the backend, the things related to performance that are important to know when an app is under load are the server’s response times, database queries times, and the server’s resource usage.

What are the two things that are important to measure?

With regards to the network that the device is connected to, there are two key things to measure: latency and bandwidth. Latency is the time that elapses when information is sent on the network (measured in milliseconds).

Can a user have a bad experience with an app?

Moreover, a user may have a very bad experience with your app and the cause might not even have anything to do with the code or its implementation. But, by running performance tests for each of these three factors, you’ll be able to identify problems and optimize your app for the best user experience possible.

When should the behavior of an app be monitored?

Also, the behavior of app should be monitored. Especially, when both networks are available, and switching occurred from one network to another. For example, an issue may arise in an app for the users while switching phone network from 4G to WIFI and vice versa.

When testing an app, should the memory consumption by an app be checked?

When Testing an app, the memory consumption by an app should be checked. By implementing certain functionalities in the app, the memory consumption also increases. For example, in Android apps when push notifications are implemented then memory consumption increases.

How should an app handle data?

The app should handle data efficiently that is sent from the server. It must not take too much time while loading data. In certain apps, data is sent in a specified format. So before displaying it in the app, it should be converted to a relevant format.

How to check if an app is running in parallel?

The best way to check it is by switching app under testing and other apps. App in background. An app that is running in the background is retrieved, it should remain in the same state as it was before.

How long does it take for an app to show on the screen?

As a thumb rule, after the user taps on app icon the first screen should be shown in 1-2 seconds. Battery Time while using an app. On constant use, some mobile apps, consume a high amount of battery life and heat the phone.

What happens if my mobile app doesn't perform well?

If your Mobile App does not perform well, the end user will uninstall your app find another application that performs better. Your Mobile application needs to be tested thoroughly before releasing it to end user. In this tutorial, you will learn-. Mobile Application Testing Strategy.

What is app launch?

App launches are comparable to repeat visits on websites: they track how often users reopen and use a mobile app. This is nearly always a positive sign as you can identify the positive experiences prompting those users to return and re-engage. From here you may discover the best performing mobile app journey and try to replicate those positive ...

What is user time on screen?

A user’s time on screen allows you to measure app experiences leading to longer versus shorter sessions. These differing session times indicate how certain experiences impact a user’s time on screen, and you can dig into session lengths that don’t match the expected time on screen for each journey.

Is app launch a repeat visit?

App launches are comparable to repeat visits on websites: they track how often users reopen and use a mobile app . This is nearly always a positive sign as you can identify the positive experiences prompting those users to return and re-engage. From here you may discover the best performing mobile app journey and try to replicate those positive experiences across lower performing journeys.