The Text Size Change Function is available for IOS ver 6.9.0(above)/Android ver 6.7.3(above).
You can increase or decrease the font size of an Event Title on the Monthly View.
There are 5 types of font sizes: Smallest / Small (default) / Medium / Large / Largest.
The font size can be set from the Application Settings.
-Tap 'three parallel horizontal lines' on the upper left corner.
-Tap 'App settings'
-Tap 'Text Size' and change