updateFrequency property
Rate of updating the reported current duration. Making it high will cause reporting duration at faster rate which also causes UI to look smoother.
Important -: As duration is reported from platform, low-end devices may have higher impact if UpdateFrequency is set to high.
Defaults to low (updates every 200 milliseconds).
See also:
Implementation
UpdateFrequency updateFrequency = UpdateFrequency.low;