Masaaki Kishimoto

Known for

Nostalgia Notes

1app

Active nemesis

EMMO

Other rivals

Publisher DNA

AI intelligence is not yet available for Masaaki Kishimoto. The portfolio data below is up to date.

Top niches they play in

Journaling Note Taking1 app

Explore the Journaling Note Taking niche

See every app competing in Masaaki Kishimoto's strongest niche.

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Portfolio

Apps

1 app analysed

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Nostalgia Notes

0.0

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Apple Pencil support provides a tactile entry point for creative users

Statistical progress-tracking habit loop drives long-term retention
Zero cloud synchronization creates a high churn risk for power users

Tightly focused on 5 markets (Brazil, Japan, Mexico, South Korea, United States).

Based on 1 of 1 app with localized market data · last scanned Jul 2026.

Americas

User sentiment

User-sentiment analysis coming soon.

Rivals

The rivals identified

Nemeses(1)

EMMO

known forEMMO - 日记与笔记

1 app

So what?

Strategic outlook coming soon.

Frequently asked questions

How many apps does Masaaki Kishimoto publish?

Masaaki Kishimoto has 1 app tracked by Marlvel, primarily in the Lifestyle category.

What kind of apps does Masaaki Kishimoto make?

Masaaki Kishimoto's portfolio is concentrated in Lifestyle, with an average rating of 0.0/5 across rated apps.

Last updated

Nostalgia Notes

v1.3

1.8y ago

Brazil1 / 1
Mexico1 / 1
United States1 / 1

Asia-Pacific (2)

Japan1 / 1
South Korea1 / 1

Core markets (1/1 apps)

BrazilJapanMexicoSouth KoreaUnited States

EMMO dominates the lifestyle journaling category with a massive user base and high-frequency engagement, directly competing for the same daily reflection use case as Nostalgia Notes.

Contenders(2)

Shanghai Ningguang Information Technology Co.

known for团纸日记-把生活写成一本书

1 app5.0Lifestyle

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This app targets the 'legacy' journaling market, focusing on turning digital entries into physical book formats.

婷婷乔

known forShine - Timeline diary

3 apps

Same space(4)

AutoBiographer

known forLegacy Lab - Auto Book Creator

1 app3.0Lifestyle

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Legacy Lab competes in the long-form journaling space, using AI to help users write their life stories.

Chanho Lee

known forDrawMyToday - AI Picture Diary

1 app4.3Lifestyle

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Kento Umeki

known forMy AI Journal

1 app5.0Lifestyle

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Onda Labs

known forOndo: AI Journal

1 app5.0Lifestyle

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New entrants(2)

Amon Studio

known forLore: Every Chat Hides a Story

1 app0.0Lifestyle

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Lore disrupts the category by integrating with existing messaging apps to harvest stories from daily chats.

Ide Koshin

known forおうち新聞

1 app0.0Lifestyle

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What is Masaaki Kishimoto's top app?

Based on user sentiment and following across the portfolio, Nostalgia Notes stands out as Masaaki Kishimoto's flagship app tracked by Marlvel.

In how many countries are Masaaki Kishimoto's apps available?

Marlvel has tracked Masaaki Kishimoto's apps across 5 countries.

Shine competes by offering advanced data visualization tools like heatmaps to track journaling consistency.

This app targets the creative journaling segment by using generative AI to visualize the user's daily mood.

This peer leverages AI to automate the journaling process, shifting the value proposition from manual entry to AI-assisted reflection.

Ondo competes by positioning the diary as a conversational partner, using AI to recognize patterns in user behavior.

This newcomer introduces a social, family-oriented angle to journaling by automating the creation of a 'family newspaper'.

Snapshot

Publisher DNA

Top niches they play in

Portfolio

Apps

Americas

User sentiment

Rivals

The rivals identified

Nemeses(1)

So what?

Frequently asked questions

Asia-Pacific (2)

Core markets (1/1 apps)

Contenders(2)

Same space(4)

New entrants(2)