Synchthing
What is Syncthing-Fork
After the Syncthing Foundation decided to discontinue the Android client, I’ve been using Syncthing-Fork, which is non-official open-source version based on the original Syncthing for Android.
How to set the number of synchronizations per day on Syncthing-Fork
On 2025-05-23 What is Syncthing-Fork there’s an option to reduce the number of synchronizations per day.
Go to Settings, then Run Conditions, and scroll down, you’ll find the Run according to time schedule option.