App Quality Dashboard

Learn Korean - 50 languages

1.9 / 5

Chhi Score

This app is performing


Medium Risk


Medium Risk




High Risk






  • Install time: Icon 14.67 Sec
  • Launch time: Icon 0.93 Sec
  • Application size: Icon 15.25 MB
  • Last tested on : 24/02/2017
  • Build ID
    :   v10.4
  • Chhi Score
    :   1.9
  • Change Rate
    :   -17.39 %

What to fix?

Build 10.1 did better in Memory . Spikes in Memory contributed to score drop by 17.95%

15 Risk(s) are due to Data Sent/Received in Network exceeding the threshold.

Fixing Network risks could drastically improve Chhi Score. There are 15 Network risks.

The app has a high performance risk for the phone manufacturer(s) Lenovo, Panasonic, YU, Asus, Motorola, Micromax, Karbonn, Samsung. Check coverage report for more details.

Consider re-merging the code from build 10.1, Memory score was 3.9

Build 10.1 did better in CPU . Spikes in CPU contributed to score drop by 2.56%

16 tests need immediate attention. View performance graph.

Utilization of Network is close to the threshold.

Fix & Optimize launch time using Flatbuffers for storage and rendering performance.

App makes 13537.61 KB of network requests. Moving this to a background thread will improve load speed. View details

Follow simple UI hierarchy by reducing nested layouts to Relative layouts.

Avoid wake-locks in background, using Batch and schedulers APIs such as GCM, Job schedulers could reduce wake-locks

Total Network data consumed was 13537.61KB in Motorola Moto E (2nd gen) , This indicates the app will take 10-15 seconds on 2G network and 8-9 seconds on 3G network to load! View details

Upload APKs with and without 3rd Party SDKs to monitor and optimize the impact of app performance

Printing logs on callbacks would make debugging easy for tests run in our platform

Fix Oncreate() if the launch time is exceeding more than 3.2 secs. Try deflating views and layouts to optimize.

Caching: Use LruCache for data caching to optimize memory usage

Network utilization on Lenovo A6000 exceeded 1024 KB, you might want to consider bringing it down

Coverage: Android version coverage for reports will range between 5.1.1 to 7.1.2

There is high probability of identifying risks running the apps with conditions

Do not initialize objects that aren't necessary during launch times. Moving to singleton pattern helps

Testability: Providing login / sign-up details could very well improve depth of bot clicks

Network utilization on Motorola Moto E (2nd gen) exceeded 1024 KB, you might want to consider bringing it down

Optimize the app to render elements at 60 FPS for buttery smooth experience.

Below 10 MB approach would increase app installs in crowded markets such as India, China and Russia!

77.45 MB of App Dalvik utilized by activity com.goethe.ko.FiftyLanguagesActivity. View details

Screen Coverage

competition benchmark

This app is ranked #1873 in Education