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Report updated Apr 30, 2026

Overview · Full Intel report in progress

Penguin Diary :Record & Health is an established health & fitness app that is completely free. With a 4.8/5 rating from 4 reviews, it shows polarized user reception.

What is Penguin Diary :Record & Health?

Penguin Diary is a health and fitness journaling tool that allows users to categorize their daily experiences as "maru," "batsu," or "sankaku." The app focuses on self-discovery by helping users identify the specific events and criteria that influence their personal happiness over time.

Current Momentum

v7.12 · 12mo ago

Zombie

Last updated 383d ago. 5 versions tracked.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Health & Fitness

No ranking data

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Daily Rating SystemStandard

Users can rate their day using three distinct symbols to track their overall mood and satisfaction.

Reason TrackingStandard

The app allows users to record the reasons behind their daily ratings to identify patterns and associated words.

Criteria AnalysisStandard

The app highlights how a user's personal criteria for a good or bad day evolve, facilitating self-reflection.

How much does it cost?

Free

Who Built It?

Masao Saeki app icon 1
Masao Saeki app icon 2
Masao Saeki app icon 3
Masao Saeki app icon 4

Simplifying daily reflection and habit tracking through minimalist, low-friction journaling tools. Helping users gain self-awareness through structured, three-choice daily assessments.

Portfolio

4

Apps

Free 3
Health & Fitness33%
Utilities33%
Productivity33%

Explore the full Masao Saeki report

Portfolio breakdown, audience, momentum, and every app published by Masao Saeki.

Go deeper

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

Analysis in progress, available soon

What is the competitive landscape for Penguin Diary :Record & Health?

How's The Health & Fitness Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Penguin Diary :Record & Health

Key Takeaways

This app serves as a reflective tool designed to help users uncover the specific life events and values that correlate with their daily happiness.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Penguin Diary :Record & Health, 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. “Penguin Diary :Record & Health Intelligence Report.” Updated Apr 30, 2026. https://marlvel.ai/apps/penguin-diary-record-health

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