A cozy, private mood diary with a calm capybara friend | Dumdum

Dumdum is a cozy, private iOS mood diary led by a calm capybara. Check in with a mood slider, journal with photos and voice notes, and watch patterns emerge with Apple Health. Fully offline, on-device, passcode + Face ID protected. No accounts, no cloud.

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Hey PH! I'm Kennie. Just shipped Dumdum to the App Store.

Honestly, my head's been a mess the past few weeks, and I went looking for a journal app to help sort it out. I tried Apple's Journal first but it didn't feel cozy to me, more like a clinical form than a place I actually wanted to come back to. So I built what I was looking for: a simple, cozy journal with a capybara as your buddy.

Dumdum is a private iOS mood diary. Fully offline, no accounts, no cloud. Your data lives on-device, protected by passcode and Face ID. You can journal with photos and voice notes, sync with Apple Health, and watch your patterns emerge over time.

One-time $2.99 at launch price. No subscription, no ads, no tracking. Pay once, keep forever.

Would love your feedback, especially on the onboarding.

— Kennie