Report updated Apr 2, 2026

What Is Daylio Journal - Mood Tracker?

Daylio Journal is a leading micro-diary and mood-tracking application that prioritizes user privacy and low-friction data entry. By allowing users to log their mood and activities in just two taps, it removes the barrier of traditional long-form journaling, making it an ideal tool for individuals focused on mental health, habit formation, and self-improvement. The app is positioned as a "private, data-driven coach" within the Lifestyle category. Its primary differentiator is its ability to correlate daily activities with mood fluctuations through advanced, visual statistics without requiring any server-side data collection. This privacy-first approach, combined with a highly intuitive UI, has cemented Daylio as a dominant force in the self-care market.

What are the key features?

Micro-JournalingDifferentiator

Capture daily entries in two taps by selecting mood and activities without needing to type text.

Advanced Correlation StatisticsDifferentiator

Deep-dive charts and analytics that correlate specific activities and habits with mood fluctuations.

Year in PixelsDifferentiator

Visualizes an entire year of mood data in a single, shareable pixel-based chart.

Privacy-First Local StorageDifferentiator

Data is stored locally on the device with no server-side collection, secured by PIN/biometric lock.

What do users think? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Gathering public signals...

Sentiment analysis will be available once enough user reviews are collected.

What are the pros and cons?

Pros

  • Exceptional UI/UX that facilitates high-frequency, low-friction user engagement.
  • Strong privacy-first value proposition that builds deep user trust.
  • Highly effective data visualization (Year in Pixels) that encourages social sharing.

Cons

  • Lack of AI-driven conversational coaching compared to newer competitors.
  • Limited text-based journaling features for power users.
  • Reliance on manual input; lacks automated data ingestion from wearables.

What is the market outlook?

Growth Opportunities

  • Integration with health wearables to automate activity tracking.
  • Expansion into AI-generated insights that provide actionable mental health advice.
  • Developing a community or social-journaling feature to increase retention.

Market Threats

  • Rapid innovation from AI-native apps that offer therapy-like experiences.
  • Platform-level features (e.g., Apple's native Journal app) potentially cannibalizing the market.
  • Increasing user demand for cross-platform, web-based access.

Who competes with Daylio Journal - Mood Tracker?

Contenders

Moodnotes - Mood Tracker

Moodnotes - Mood Tracker

4.7 (11K)

Mosaic S.r.l.

A long-standing competitor in the mood tracking and cognitive behavioral therapy (CBT) journaling niche.

+

A long-standing competitor in the mood tracking and cognitive behavioral therapy (CBT) journaling niche.

Jornada Estoica

Jornada Estoica

0

DIEGO BRUM LIMA ROCHA

Competes on the intersection of journaling, mood tracking, and mental health coaching with a premium design focus.

+

Competes on the intersection of journaling, mood tracking, and mental health coaching with a premium design focus.

Peers

+

Targets the mental health and anxiety-relief segment of the journaling market.

+

AI-Infused Journaling & Chat

+

A cross-platform journaling app that offers a similar suite of statistics and calendar views.

+

Anonymous Online Companion System

Habitica: Gamified Taskmanager

Habitica: Gamified Taskmanager

4.0 (2K)

HabitRPG, Inc

Competes on the habit-tracking and goal-setting aspect of the user's daily routine.

+

Competes on the habit-tracking and goal-setting aspect of the user's daily routine.

Productive - Habit Tracker

Productive - Habit Tracker

4.6 (91K)

Mosaic S.r.l.

Focuses on the productivity and habit-building side of self-improvement.

+

Focuses on the productivity and habit-building side of self-improvement.

New Kids on the Block

Bloom

Bloom

Opal Limited

Rapidly growing due to its integration of guided CBT video sessions alongside mood tracking.

+

Rapidly growing due to its integration of guided CBT video sessions alongside mood tracking.

What are the key takeaways?

Daylio Journal - Mood Tracker is a divisive lifestyle app that is free with in-app purchases. With a 4.8/5 rating from 58.8K reviews, it receives mixed feedback from users.

Best for: Individuals focused on mental health, self-improvement, and productivity who want a low-friction, private way to track habits and emotional patterns.

How much does it cost?

Model: freemium

Tiers:
Free version with core mood tracking and statisticsPremium subscription (in-app purchases) for advanced features, unlimited entries, and extended statistics

Monetization relies on a 'freemium' model that lowers the barrier to entry by offering a highly functional free version, while gating advanced analytics and customization behind a subscription.

iOS Version

1.69.6

Release Date

Jan 25, 2017

iOS Price

Free

Independent intel to help builders create better apps.

No publisher influence. No third-party bias. Built with objectivity in mind to serve the builder community. Reports are continuously improved and refined. For informational purposes only.

Hope this helps & keep building! · Found an error?

Cite this report

Marlvel.ai. “Daylio Journal - Mood Tracker Intelligence Report.” Updated Apr 2, 2026. https://marlvel.ai/intel-report/lifestyle/daylio-journal-mood-tracker

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