Proof Universe: CBT Journal

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About this app

Proof Universe is a CBT journal that helps you build a visual, undeniable
case for who you actually are.

Most self esteem advice asks you to argue with a negative thought in the
moment, when you are already stressed and it is hardest to think straight.
Proof Universe flips that. You name a positive truth about yourself, then
log real evidence that proves it. Your confidence ends up with something
solid behind it.

WHY A CBT EVIDENCE JOURNAL WORKS

Positive data logging is one of the most evidence backed techniques in CBT
(Cognitive Behavioral Therapy) for building genuine self belief. Our brains
hand us negative, baseless ideas about ourselves for free, no proof required.
This CBT journal makes you collect proof for the opposite. The more evidence
you log, the less room negative self talk has to land.

YOUR EVIDENCE, AS A GALAXY

Each truth becomes a star. Each piece of evidence becomes a planet in its
orbit. Confirm something happened again and watch that planet and its star
visibly grow. Instead of a wall of text, your self esteem journal becomes
something you can see, explore and come back to.

HOW IT WORKS

1. Name a positive truth about yourself
2. Log real moments that prove it happened
3. Confirm evidence again when it repeats
4. Watch your confidence journal grow into a galaxy of proof

WHAT YOU GET

- Anchor your truths and log real evidence for each one
- Confirm evidence again to grow your planets and stars over time
- Customize your stars and planets with unlockable colours and designs
- Explore your "My Universe" galaxy view of every truth you hold
- Track your daily reflection streak
- Weekly insights into your most active truths
- Works fully offline, syncs when you are back online
- Export your data anytime, it is always yours

MADE FOR

Proof Universe works as a confidence journal, a self esteem tracker, a daily
affirmation journal, a self care and mental health journal, a CBT thought
record, and a gratitude journal alternative for anyone who wants proof
rather than platitudes. If daily affirmations have never quite worked for
you, this is the version with evidence attached.

Useful if you are working on self esteem, self belief, confidence, negative
self talk, imposter syndrome, anxious overthinking, or you simply want a
daily journal that builds something over time instead of disappearing into
an archive.

NOT THERAPY, BUT BUILT ON IT

Proof Universe is a self esteem journal and wellbeing tool grounded in
CBT technique. It is not a replacement for therapy or mental health
treatment. It is a place to do the small daily work of noticing evidence
about yourself, which is exactly what CBT positive data logging asks you
to do.

YOUR DATA IS YOURS

No ads. Your journal entries are private to your account. Export everything
to JSON or Markdown whenever you want, and delete your account and all data
from inside the app at any time.

Start your evidence journal tonight. Free to download.
CBT journal for self esteem. Log evidence, build confidence and self belief.
Updated on
Aug 14, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info and App activity
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

paywall UI improvement