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Software Engineering vocabulary · Testing

Crash-free rate

Meaning in software engineering, with examples

nounCommon term

In software engineering, crash-free rate means: The percentage of users or sessions that did not experience a crash in a given period; a key measure of an app's stability.

In Turkish: çökmesiz kullanıcı oranı, crash-free oranı

How it is used

Crash reporting tools show crash-free users and crash-free sessions. Mature apps often aim for 99.5% or higher, and teams compare the rate between releases when deciding whether to continue a staged rollout.

Example sentences

  1. Our crash-free rate dropped to 98.7% after the last update.

  2. We won't go beyond 20% rollout until the crash-free rate is back above 99.5%.

Common collocations

  • crash-free users
  • crash-free sessions
  • crash-free rate
  • app stability
  • crashTo stop working suddenly because of an error, so that the program closes or stops responding. Also a noun: 'a crash'.
  • crash reportA record created when an app crashes, showing the error, the stack trace, the device, the OS version and other details that help developers find the cause.
  • staged rolloutReleasing an update to a small percentage of users first and increasing it step by step, so problems can be found before everyone gets the new version.
  • ANRApplication Not Responding: an Android error shown when an app's main thread is blocked for too long, for example about five seconds without responding to a touch.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Testing

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