Memory - Diary & Journal app icon
Photo Diary: Journal with lock icon
TwiMemo-SNS 스타일 노트 icon

Naohito Muraoka

3apps4.4(1.6K)Lifestyle비즈니스

Publisher DNA

What defines Naohito Muraoka?

AI intelligence is not yet available for Naohito Muraoka. The portfolio data below is up to date.

Portfolio

What does Naohito Muraoka ship?

Apps

3 apps analysed

Offline-first architecture ensures user privacy

  • Minimalist interface design provides a distraction-free environment for daily journaling habits
  • Data loss occurs when users fail to manually trigger the save function before exiting

Ad-free interface reduces user friction

  • Journaling interface provides busy parents with quick access to capture daily moments and photos
  • Photo selection tool fails to allow multiple image uploads after navigating away from the menu

Distributed across 7 markets, strongest in Americas.

Based on 2 of 3 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (3)

  • Brazil2 / 2
  • United States2 / 2
  • Mexico1 / 2

Europe (3)

  • Germany1 / 2
  • Portugal1 / 2
  • Spain1 / 2

Asia-Pacific (1)

  • Japan2 / 2

Core markets (2/2 apps)

BrazilJapanUnited States

User Sentiment

How do users feel about their apps?

Unlock the app dragging this portfolio down.

Access the full report for free

Rivals

Who does Naohito Muraoka compete with?

The rivals identified

Nemeses(2)

DOSA Apps

known forUnicorn Diary (lock - PIN)

1 app4.4Lifestyle

This app dominates the lifestyle diary category through massive scale and a feature-rich, security-focused approach that directly competes for the same casual journaling audience.

EMMO

known forEMMO - 日记与笔记

1 app4.8Lifestyle

EMMO dominates the personal journaling space by combining emotional mood tracking with a highly aesthetic, minimalist interface that directly competes for the same privacy-conscious user base.

Contenders(8)

Analog Lab

known forMOODA

1 app4.6Lifestyle

MOODA competes by gamifying the journaling experience through cozy, aesthetic-focused room customization and emotional tracking.

Chaehui Seo

known forDoing Doing

1 app4.6Lifestyle

It bridges the gap between task management and journaling, targeting users who want to track their daily productivity alongside personal thoughts.

Gaeun Lee

known forCherish - diary with 7 formats

1 app4.7Lifestyle

Cherish competes by offering diverse journaling templates, catering to users who struggle with the 'blank page' problem.

Jiani Li

known forFeelings - Mood Journal

1 app4.8Lifestyle

This app focuses on the emotional aspect of journaling, using unique visual effects to differentiate the mood-tracking experience.

Perigee

known forHalo: Daily Journaling App

1 app4.8Lifestyle

Halo competes by offering structured, data-driven journaling that targets users looking for self-improvement rather than just a simple diary.

Poppy AI

known forWaffle: Shared Journal

1 app4.7Lifestyle

Waffle shifts the diary paradigm from personal reflection to social connection, competing for users who want to journal with others.

Tuyen Bui

known forDiary with lock

1 app4.3Lifestyle

This app directly targets the privacy-conscious segment of the diary market with a focus on security-first journaling.

婷婷 乔

known for一叶日记·极简卡片心情记录日记

1 app4.7Lifestyle

This app competes by offering a card-style journaling format that appeals to users who prefer structured, bite-sized daily reflections.

Same space(8)

Dev2A

known forJuJo: Creative Journal & Diary

1 appLifestyle

JuJo targets the 'junk journaling' hobbyist market, focusing on creative expression rather than just text-based logging.

Heyou Co.

known forDiary Journal - With Lock

1 app4.7Lifestyle

This is a direct functional peer that emphasizes password protection and life event logging for personal record keeping.

Hieu Tran Thanh

known forMy Daily Diary - Mood Journal

1 app4.7Lifestyle

This app occupies the same functional space by combining standard diary features with mood tracking and multimedia support.

Leila Nasri

known for2025 Wrapped - Year in Focus

1 app4.3Lifestyle

This app focuses on retrospective summary and wellness, competing for users who want to synthesize their year into a narrative.

Onda Labs

known forOndo: AI Journal

1 app5.0Lifestyle

Ondo represents the modern shift toward AI-assisted journaling, using conversational interfaces to automate reflection.

PIONE

known forQuestion Diary

1 app4.4Lifestyle

This app differentiates by using daily prompts to lower the barrier to entry for consistent journaling.

Trent Guillory

known forTwig - Journal for Couples

1 app4.6Lifestyle

Twig targets the niche of relationship-based journaling, competing for users who want to document shared experiences.

Yauheni Yarotski

known forInsight AI: Discover Yourself

1 app4.2Lifestyle

Insight AI uses journaling as a data input for self-discovery and astrology, appealing to a niche wellness-focused audience.

New entrants(3)

Amon Studio

known forLore: Every Chat Hides a Story

1 app0.0Lifestyle

Lore is a disruptive newcomer that uses AI to transform existing chat data into narrative stories.

Ide Koshin

known forおうち新聞

1 app0.0Lifestyle

A new entrant that automates the creation of family newspapers, shifting the journal focus from individual to collective.

Manicgrin Media

known forfelt

1 app0.0Lifestyle

Felt enters the market with a focus on visual-first journaling and collage-based memory keeping.

Frequently asked questions

How many apps does Naohito Muraoka publish?
Naohito Muraoka has 3 apps tracked by Marlvel, primarily in the Lifestyle category.
What kind of apps does Naohito Muraoka make?
Naohito Muraoka's portfolio is concentrated in Lifestyle and 비즈니스, with an average rating of 4.4/5 across rated apps.
What is Naohito Muraoka's top app?
By review volume across the portfolio, Memory - Diary & Journal app is Naohito Muraoka's best-known app tracked by Marlvel.
In how many countries are Naohito Muraoka's apps available?
Marlvel has tracked Naohito Muraoka's apps across 7 countries.

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 Naohito Muraoka, 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. “Naohito Muraoka intelligence.” Updated N/A. https://marlvel.ai/publishers/naohito-muraoka

See methodologyContact support

Data licensed under CC-BY-NC 4.0