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I'm not quite sure I fully understand what you mean, do you mean that the effect an update is supposed to bring is only shown the day after the update was installed?
Does this happen for every app that you update or does it only affect a selected few?
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I see. In that case I would suggest that you try resetting the Google Play application, something that is done under Settings > Apps > Tap the three dots followed by Show system or (depending on Android version) swipe to the All-tab > Find Google Play store > Storage > Clear data and tap OK followed by rebooting your phone.
If this only happens for certain specific apps, is there any change if you completely reinstall one of these apps instead of updating it?