Breakdown of Если приложение обновится, оно будет работать быстрее.
Questions & Answers about Если приложение обновится, оно будет работать быстрее.
Russian normally uses the same real tense you mean in both parts of a real condition. Since the updating is in the future, Russian uses the future: Если приложение обновится….
English often uses present in if-clauses for future meaning, but Russian doesn’t do that here.
обновиться is perfective and focuses on the update as a completed event (the update finishes). That fits a condition: once it updates (and the update is done), then…
обновляется is imperfective and usually means it is updating / it updates (habitually), which changes the meaning.
In many verbs, -ся forms a reflexive or “middle” meaning. With обновиться, it commonly means to get updated / to update itself (the app undergoes the update).
So приложение обновится is natural when you’re not focusing on who performs the update.