Software7.12.2016
Google reduces the size of Android app updates
Google has launched File-by-File patching, which means Android app updates are, on average, 65% smaller than the full app. In some cases, updates are more than 90% smaller.
“The savings, compared to our previous approach, add up to six petabytes of user data saved per day,” said Google.
“To get the new version of the app, Google Play sends your device a patch that describes the differences between the old and new versions of the app.”
The table below provides examples of app updates using File-by-File patching.
| Application | Original Size | Previous (BSDiff) Patch Size (% vs original) |
File-by-File Patch Size (% vs original) |
| Farm Heroes Super Saga | 71.1 MB | 13.4 MB (-81%) | 8.0 MB (-89%) |
| Google Maps | 32.7 MB | 17.5 MB (-46%) | 9.6 MB (-71%) |
| Gmail | 17.8 MB | 7.6 MB (-57%) | 7.3 MB (-59%) |
| Google TTS | 18.9 MB | 17.2 MB (-9%) | 13.1 MB (-31%) |
| Kindle | 52.4 MB | 19.1 MB (-64%) | 8.4 MB (-84%) |
| Netflix | 16.2 MB | 7.7 MB (-52%) | 1.2 MB (-92%) |
Now read: Android 7.1.1 update released
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