A side-by-side comparison of two leading journaling apps to help you find the best journal for your needs.
Disclosure: We built Reflection, so we're not neutral. With that said, we've done our best to keep this comparison fair and accurate to help you find the best app for you.
Quick Recommendation
You prefer quick visual mood tracking over long-form writing, and want to understand how your daily activities affect how you feel.
You want a one-time purchase journal with no subscription, strong Windows support, and automatic social media and fitness data imports.
A Closer Look
Daylio takes a different approach to journaling by focusing on quick, visual mood tracking rather than long-form writing. You log your mood on a five-point scale, tag the activities you did, and optionally add a short note or photo. Over time, Daylio builds charts and statistics showing correlations between your activities and mood patterns. Features like Year in Pixels, mood calendars, and activity correlations help you spot trends. It also includes habit tracking with customizable goals and reminders, making it a solid choice for people who want insights without the commitment of daily writing.
Diarium is a cross-platform diary app known for being one of the best journaling options on Windows, where it won a Microsoft Store Award in 2024. It automatically pulls in your photos, calendar appointments, social media posts, and fitness data from connected services like Facebook, Instagram, Google Fit, Fitbit, and Strava. Entries support unlimited attachments including photos, videos, audio, and PDFs. The app features speech-to-text dictation, password/PIN/biometric protection, and syncs via personal cloud storage like OneDrive, Google Drive, Dropbox, or iCloud.
Feature Comparison
Daylio focuses on quick mood logging and activity tracking rather than traditional journaling, offering daily prompts, export options, and a free tier. It lacks AI-powered insights, voice coaching, voice transcription, a guide library, personalized prompts, and multi-platform support (it's mobile-only). The feature comparison below shows how Daylio trades depth of journaling tools for speed and simplicity in tracking your emotional patterns.
Diarium offers enhanced voice transcription, multi-platform support, export options, and a free tier, with particular strength on Windows where it's one of the top-rated journal apps. It doesn't include AI-powered insights, real-time voice coaching, a guide library, personalized prompts, or daily prompts. The feature comparison below shows Diarium as a solid traditional diary with automatic data imports, but without the AI and coaching features found in newer apps.
Frequently Asked Questions
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No. Daylio is designed for quick check-ins — you tap your mood, select the activities you did, and optionally add a short note. Most entries take under 30 seconds.
No. Diarium uses a one-time purchase model per platform rather than a subscription, which makes it one of the most affordable long-term journaling options.
Yes. Daylio generates charts and statistics that show correlations between your activities and mood over time, including a Year in Pixels view and detailed mood calendars.
Yes. Diarium is one of the best journaling apps available on Windows, where it won a Microsoft Store Award in 2024. It also supports iOS, Android, and macOS.
Yes. Daylio works fully offline and stores your data locally on your device. You can optionally back up your data to Google Drive or iCloud.
Yes. Diarium automatically imports your photos, social media posts, calendar events, and fitness data from services like Facebook, Instagram, Google Fit, Fitbit, and Strava.
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