Report updated Jul 7, 2026

Haru - Gratitude Diary is an established lifestyle app that is free with in-app purchases.

What is Haru - Gratitude Diary?

Haru is a gratitude-focused diary app for iOS and Android that allows users to record daily moments, track moods, and maintain journaling streaks.

Users hire Haru to create a private, habit-forming digital space for reflection, using the streak mechanic to overcome the friction of daily writing.

Current Momentum

v1.2 · 2mo ago

Maintenance
  • Launched latest version in March 2026.
  • Maintains standard freemium feature set.

Active Nemesis

Journal

Journal

By Apple

Other Rivals

Shine - Timeline diary
Biograph App
团纸日记-把生活写成一本书
DailyRetro
时光之语
AGSCalendar
Ondo: AI Journal
Shadow OS

7-Day Rank Pulse 🇺🇸

Lifestyle

No ranking data

LifestyleGrossing

Rating Pulse 🇺🇸

Gathering signals...

What makes this app unique?

What Does It Look Like?

Loading...

What Are The Key Features?

Gratitude StreakStandard

Visual tracker for consecutive days; reduces 30-day churn by reinforcing the open-app habit.

Premium ThemesStandard

Cosmetic customization (Moonlight, Ocean, Autumn); monetizes aesthetic preference.

PDF ExportStandard

Data portability gate; converts entries into portable documents for external storage.

How much does it cost?

Freemium
  • Free tier with ads
  • Premium tier

Freemium model gates aesthetic themes, PDF export, and ad removal behind a premium subscription.

Who Built It?

Lifestyle

Enrichment in progress

Publisher profile available very soon

What other apps does Sangcheol Cha make?

What do users think recently?

Analysis in progress, available soon

What is the competitive landscape for Haru - Gratitude Diary?

Where is it available?

Localized markets (12)

United StatesBrazilGermanySpainFranceItalyJapanSouth KoreaMexicoNetherlandsPortugalSweden

How's The Lifestyle Market?

Haru targets individuals seeking a private, habit-forming digital space for daily reflection. The app operates in the lifestyle category, utilizing a freemium model that gates aesthetic themes, PDF export, and ad removal behind a premium subscription.

Which niche is Haru - Gratitude Diary in?

Journaling Note Taking

to record daily gratitude and personal reflections

Note TakingJournalingAdultsHybridEmerging

Explore the full Journaling Note Taking niche

Every app in this space (941 tracked), the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.

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The rivals identified

Nemeses(1)

As a native system app, Journal directly competes with Haru by offering a frictionless, integrated experience for daily reflection and memory capture.

Differentiators

  • Native OS integration allows for automatic, intelligent journaling suggestions based on user activity data.
  • Deep integration with the Health app provides unique context for mood and wellness tracking.
  • System-level privacy controls and biometric locking offer a level of trust Haru cannot match.

Head to head

Haru cannot compete on utility or scale; it must pivot toward a highly stylized, niche aesthetic experience that Apple's utilitarian design ignores.

Contenders(4)

DailyRetro targets the same habit-focused journaling demographic as Haru, emphasizing consistency and daily reminders.

Differentiators

  • Focuses specifically on habit tracking integration to gamify the daily journaling process.
  • Utilizes a retro-themed interface design to differentiate from Haru's modern, decorative aesthetic.
团纸日记-把生活写成一本书 icon

Shanghai Ningguang Information Technology Co., Ltd.

5.0(2)

This app competes by offering physical-world utility, specifically the ability to export digital diaries into tangible paper books.

Differentiators

  • Provides a high-value physical export service that turns digital entries into printed books.
  • Features a unique paper collection system that appeals to users who value tactile memory preservation.

Biograph targets users interested in long-form storytelling and collaborative memory, overlapping with Haru's diary-keeping use case.

Differentiators

  • Supports collaborative storytelling features that allow multiple users to contribute to a single narrative.
  • Includes advanced speech-to-text transcription tools for users who prefer voice-based journaling over typing.

Shine competes by offering technical power-user features like WebDAV sync and data visualization for diary entries.

Differentiators

  • Offers WebDAV sync, allowing users to maintain full control over their own data storage.
  • Visualizes journaling frequency through a story heatmap, providing a data-driven view of user progress.

Same space(3)

Shadow OS

Phonix & Aura LLC

Shadow OS occupies the same lifestyle journaling niche, focusing on minimalist, private daily documentation.

Differentiators

  • Employs a minimalist, OS-like interface that prioritizes distraction-free writing over decorative themes.
  • Focuses on extreme privacy-first architecture to attract users concerned about data exposure.

Ondo leverages AI to transform the journaling process from passive recording into an active, conversational experience.

Differentiators

  • Uses conversational AI to prompt users and extract patterns from their daily entries.
  • Generates AI-based visual postcards from journal entries to provide a unique summary of memories.

AGSCalendar bridges the gap between traditional calendar management and daily gratitude journaling.

Differentiators

  • Combines standard calendar scheduling with daily gratitude prompts in a single unified view.
  • Uses a simplified, grid-based layout that prioritizes quick daily check-ins over long-form writing.

Compare Haru - Gratitude Diary against every rival

All rivals in one side-by-side table: identity, store metrics, ratings & sentiment, and strategic intel, plus a head-to-head page for each.

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The outtake for Haru - Gratitude Diary

Strengths to defend, gaps to attack

Core Strengths

  • Aesthetic-first design functions as a visual differentiator against utilitarian system apps.
  • Gratitude streak mechanism reinforces daily open-app habits, reducing short-term churn.

Critical Frictions

  • PDF export gated behind premium tier creates a data-portability barrier.
  • Lack of native OS-level integration limits competitiveness against system-level incumbents.

Growth Levers

  • Physical-world export partnerships could provide a high-value, tactile differentiator.

Market Threats

  • Apple's continued expansion of native Journal features erodes the value of third-party diary apps.

What are the next best moves?

highInvest

Ship physical-world export service because it creates a tactile memory preservation moat → increase premium conversion

Competitors like 团纸日记 demonstrate that physical exports drive high-value user engagement.

Trade-off: Deprioritize the development of new digital themes — physical export has higher differentiation potential.

A counter-intuitive read

Haru's lack of AI-driven automation is a strategic asset, as it preserves the intentionality of the journaling experience for users who find Apple's automated suggestions intrusive.

Feature Gaps vs Competitors

  • Automated journaling suggestions (available in Apple Journal but absent here)
  • Physical book export (available in 团纸日记 but absent here)

Key Takeaways

Haru defends its niche through stylized aesthetics and streak-based retention, but the rise of native system-level journaling tools makes its freemium utility model vulnerable, so the PM should prioritize unique tactile integrations to escape the utility-feature trap.

Where Is It Heading?

Mixed Signals

The lifestyle diary market is consolidating around OS-native tools that remove the friction of manual entry. Haru remains exposed to this trend due to its reliance on manual, habit-based input, so the PM must pivot toward high-value physical or tactile differentiators to retain users.

Apple's native Journal integration removes the friction of daily entry, which directly threatens Haru's core habit-forming value proposition.

The latest release maintains a standard feature set, indicating a focus on stability rather than aggressive market expansion.

Sources

  1. [1] App Store, source
  2. [2] Developer website, source

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 Haru - Gratitude Diary, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The report reflects a strategic pivot from AI-driven digital features toward physical-world tactile integrations to differentiate against native OS journaling tools.

shifted

Strategic Pivot to Tactile Differentiation

added

Native Integration Threat

added

Feature Gap Identification

Cite this report

Marlvel.ai. “Haru - Gratitude Diary Intelligence Report.” Updated Jul 7, 2026. https://marlvel.ai/apps/haru-gratitude-diary

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