Hi @marcelo,
Welcome to the forum!
All Freeletics training session will, in some way or another, train your abs. Either by directly assigning an ab exercise like crunch or sit-ups or indirectly by assigning an exercise that engage the core like squat, front squat or really any other exercises to be honest.
From my understanding, the abs and core are one of these muscle groups that recover very fast and can be trained everyday without overtraining them.
If you really don’t want to train your core on a particular day, feel free to use the adapt button and select “exclude certain body areas” and select “core”:
Feel free to also play with the options here and try the “I want a different session” to see what the a coach offers you.
Cheers!
Tom