Mood-Log is a manual mood-tracking journal for iOS that allows users to record emotional states and correlate them with life events.

The App DNA

What makes this app unique?

The app removes the cognitive friction of tracking emotional trends by providing a consistent, simple interface for daily self-reflection.

For Individuals seeking to track emotional patterns and correlate daily life events with mood changes.

What does it look like?

Key features

Mood Trackingbasic

Logs emotional states and associated life events through manual entries.

Data Visualizationstandard

Displays mood trends over time using pie and donut charts.

Scheduled Remindersstandard

Triggers push notifications at user-defined intervals to prompt log entries.

How much does it cost?

freeFree

The app operates as a free utility with no visible subscription or in-app purchase gates.

Velocity

Dormant developmentUX improvementsperformanceShow more...

Mood-Log has been inactive for 838 days, placing it firmly in the zombie category. The latest release, which introduced Dark Mode and various interface refinements, represents the only activity within the observed window. There is no evidence of ongoing development or support for the platform.

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Who built it?

Barry Langdon-Lassagne

1 app tracked · Education

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User Sentiment

What do users think recently?

Review voice lately leans thrilled. Users appreciate granular emotion tracking allows users to identify and understand complex feelings beyond basic happy or sad labels and simple and consistent design helps users maintain a daily habit of logging their moods over time.

How are ratings & reviews evolving?

App Store
4.36 · 33

What users say, by theme

What Users Love
  • Granular emotion tracking allows users to identify and understand complex feelings beyond basic happy or sad labels
  • Simple and consistent design helps users maintain a daily habit of logging their moods over time
  • Clinical and personal utility makes the app a recommended resource for psychotherapists and their teenage clients
What Frustrates Users
  • Limited vocabulary of available emotions prevents users from accurately logging specific states like feeling overwhelmed or disinterested
+ 2 more themes
What Users Want 2 requests inside

24 of 24 recent reviews analyzed · moderate confidence · Thrilled overall

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Competition

Competitive landscape for Mood-Log

How's the Education market?

Mood-Log maintains a 4.36 rating across 33 total ratings on iOS. The lack of updates since July 2024 positions the app as a legacy utility rather than a growth-focused competitor.

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The rivals identified

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The Analyst's Read

Key takeaways for Mood-Log

Where is it heading?

Users report: The mood-tracking category is consolidating around apps with frequent live-ops and biometric security, leaving Mood-Log exposed due to its stagnant development cycle. Resuming updates to address privacy and vocabulary gaps is necessary to prevent further audience erosion into Q1.

  • The 27-month development silence suggests the app is in maintenance mode, which erodes user trust and prevents feature parity with active rivals.
  • High user sentiment and clinical utility provide a solid foundation for retention if the developer resumes active feature investment.

The SWOT

Core Strengths
  • Simple UI design facilitates long-term habit formation
  • Granular emotion tracking enables deep emotional self-awareness
  • Clinical utility drives recommendations among mental health providers
Critical Frictions 3 weaknesses inside
Growth Levers
  • Expansion of emotion library addresses primary friction
  • Implementation of biometric security satisfies privacy demands
Market Threats 1 threat identified

Next best moves

1 Invest · 1 Maintain

Ship biometric security because users request it to protect sensitive journal entries → reduce privacy-related churn

+ 1 more prioritized move

The counter-intuitive read

The app's lack of monetization is its greatest risk…

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Bottom line

Mood-Log retains a loyal base through its effective core loop, but the two-year development silence risks losing users to more secure, frequently updated alternatives. Prioritizing security and vocabulary expansion would stabilize the user base against modern competitors.

Unlock 3 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.

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FAQ

Is Mood-Log safe for tracking sensitive personal feelings?
Users report that Mood-Log currently lacks password or biometric protection, leaving sensitive journal entries exposed to unauthorized viewers.
Can I add my own custom emotions to Mood-Log?
Currently, Mood-Log does not support custom emotion categories, which is a frequent request from users who find the existing vocabulary limited.
Is Mood-Log suitable for clinical use?
Yes, reviews indicate that some psychotherapists recommend Mood-Log to their teenage clients for tracking mood shifts throughout the day.

Sources

  1. [1] App Store

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Mood-Log, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Mood-Log Intelligence Report.” Updated Oct 24, 2026. https://marlvel.ai/apps/mood-log

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