Mood tracking sounds simple until you try to do it consistently for more than a week. Most people either abandon the habit or end up with a string of one-word entries that don't say much by the time they reach their next session.
What actually makes mood tracking useful in therapy
A daily mood score on its own doesn't tell your therapist much. What helps is context: what happened, what you were doing, who you were with, and whether a pattern is forming. The best mood tracking apps for therapy clients go beyond a single number and connect mood to the actual events and thoughts around it.
Apps worth considering
Daylio is a fast, low-friction mood tracker with good pattern charts, though it isn't connected to any actual therapy process.
Bearable goes deeper on correlating mood with sleep, symptoms, and habits, useful if you're managing a broader health picture alongside mental health.
Symplia builds mood tracking directly into the therapy companion structure, so mood entries aren't floating on their own. They connect to what you're actually discussing with your therapist, which means the pattern your therapist sees isn't just "mood dropped on Tuesday" but the fuller picture of why.
If your therapist has asked you to track mood between sessions, pick whichever app you'll actually open daily. Consistency beats features every time.
Keep reading
Next, read therapy companion apps for anxiety. And if you want to see how this works in practice, explore Symplia, a between-session therapy companion.