A calmer way to reflect on how you're doing
Callum is a gentle reflection app — note how you feel in seconds, see what really moves your mood, and try small changes that help.
Get early access Launching soon on iPhone · free for early testersA reflection in seconds
One gentle tap on how you feel. Add a note, signals or values only if you want to.
See what moves your mood
Insights reveal which habits, feelings and values actually lift you up — or weigh you down.
Try small experiments
Test a change — a morning walk, less caffeine — and watch how it shifts how you feel.
Come back to calm
Breathing and grounding exercises, drawn from ACT, for the moments that spike.
Launching soon
Callum isn't out yet. Sign up for early access and we'll email you the moment it's ready for your iPhone.