쿼드 메모 icon
Anime Watch Log icon
App Lock -Beat Phone Addiction icon
+79

Shun Isayama

For individuals seeking quick, task-specific solutions for financial tracking, personal logging, and daily organization.

Known for쿼드 메모
82apps0.0 Multi-theme

Snapshot

Who is Shun Isayama?

Providing specialized utility tools for personal management and finance. Helping users track daily habits, finances, and collections with focused, single-purpose applications.

Target audience

Individuals seeking quickTask-specific solutions for financial trackingPersonal logging

Active nemesis

Giorgio Bertolotti

Other rivals

Portfolio

Free 3
82
apps
Finance18
Lifestyle16
Entertainment5
Food & Drink4

Last updated

쿼드 메모

Intense

Publisher DNA

What defines Shun Isayama?

Publisher DNA

Primary focus

Utility and lifestyle tools for personal management

Scale

studio

Target audience

Individuals seeking quick, task-specific solutions for financial tracking, personal logging, and daily organization.

Signature Patterns

  • •High volume of single-purpose utility apps with minimal feature sets.
  • •Strong concentration in Finance (36%) and Lifestyle (26%) categories.
  • •Monetization primarily through paid app models.
  • •Frequent, iterative updates to maintain relevance in niche search queries.
  • •Focus on simple, text-heavy interfaces for rapid data entry.
Intense

Portfolio momentum

Released 23 updates across 50 apps in the last 6 months, indicating a high-frequency maintenance and release cycle.

Last release 46d agoActive apps 50

Portfolio

What does Shun Isayama ship?

Apps

82 apps analysed

Distributed across 12 markets, strongest in Europe.

Based on 12 of 82 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (3)

  • United States12 / 12
  • Brazil9 / 12
  • Mexico9 / 12

Europe (7)

  • France9 / 12
  • Germany9 / 12
  • Italy9 / 12
  • Netherlands9 / 12
  • Portugal9 / 12
›+2 more europe markets
  • Spain9 / 12
  • Sweden9 / 12

Asia-Pacific (2)

  • Japan9 / 12
  • South Korea9 / 12

Core markets (12/12 apps)

United States

Rivals

Who does Shun Isayama compete with?

The rivals identified

Nemeses(1)

Giorgio Bertolotti

known forMangaTime - Manga Tracker

2 apps4.6Book

MangaTime competes by offering free, automated chapter alerts and discovery features that directly address the manual tracking limitations of Manga Log App.

Same space(20)

Alvaro Juan Ciriaco

known forMangahub - Your manga tracker!

1 app4.3Book

This app targets serious collectors by adding financial tracking to the collection management features found in Manga Log App.

Anastasiia Luzhetska

known forManga and Anime Comic Reader

1 app4.8Book

This app positions itself as a complete reading journey, contrasting with the manual, utility-focused nature of Manga Log App.

Andres Sanchez

known forYama: Manga Collector

1 app3.8Book

Yama targets physical manga collectors, directly overlapping with the collection-tracking utility of Manga Log App.

Andrew Bennet

known forReading List: Book Tracker

1 app4.8Book

This app serves as a broader book-tracking alternative that competes with the manual record-keeping of Manga Log App by offering privacy-focused local storage.

Blank Atlas

known forMyMangaLibrary

1 app4.8Book

MyMangaLibrary focuses on visual collection management, providing a more aesthetic alternative to the metadata-heavy approach of Manga Log App.

Dimitry Vinogradov

known forReading Log: Book Tracker

1 app4.9Book

Reading Log offers a lightweight alternative for casual readers, focusing on simplicity over the detailed metadata tracking of Manga Log App.

Jason Michael Hart

known forAniBox - Anime & Manga

1 app3.3Book

AniBox serves as an all-in-one companion for anime and manga, offering more integrated tracking than the manual entry model of Manga Log App.

Justin Mosca

known forManga Reader – Anime & Comics

1 app4.2Book

This app combines reading and tracking, offering a more comprehensive experience than the standalone logging tool of Manga Log App.

kota tada

known forReadlog - Reading Progress ...

1 app2.7Book

This app focuses on progress visualization, offering a different tracking metric than the collection-focused Manga Log App.

Manga Vault

known forManga Vault: Manga Collection

1 app5.0Book

Manga Vault targets the same collector segment as Manga Log App but emphasizes speed and ease of use through barcode scanning.

Mouaad Ouajib

known forManga Cloud - مانغا كلاود

2 apps4.5Book

Manga Cloud targets the same niche but focuses on the Arabic-speaking market, providing a localized reading and management experience.

Niral Kabariya

known forMangaverse: Comic & Manga

1 app2.3Book

Mangaverse offers cross-platform PDF support, providing a different utility for manga readers compared to the cataloging focus of Manga Log App.

RocketScience IT

known forManGo - Anime & Manga Tracker

1 app4.6Book

Users report: ManGo captures the same audience by automating the data-entry process that Manga Log App requires users to perform manually.

Simone Montalto

known forBook Tracker: Bookshelf & TBR

1 app4.7Book

This app provides a more feature-rich alternative to manual logging by integrating active reading timers and home screen widgets.

Sri Ram Teja Telukuntla

known forNiro: Anime & Manga Tracker

1 app4.3Book

Niro provides a mobile-first interface for external tracking services, which is a more automated approach than the manual logging of Manga Log App.

Tony soft

known forBookmory - reading tracker

1 app4.8Book

Bookmory competes for the same user base by gamifying the reading habit, which contrasts with the static cataloging approach of Manga Log App.

佳威 朱

known forManga Mango

1 app2.9Book

This app focuses on content discovery and consumption, serving as a source for the titles that users might track in Manga Log App.

婷婷 乔

known forManga Dogs - webtoon reader

1 app4.1Book

Manga Dogs functions as a direct content-consumption platform, whereas Manga Log App is strictly a metadata-tracking utility.

晗 畅

known forReading Tracker, Reading Log P

1 app3.7Book

This app provides a local-first, privacy-focused alternative for users who prefer not to use the cloud-based features that might be expected in modern trackers.

智彬 林

known forMangaHello: Manga Reader

1 app4.2Book

MangaHello integrates discovery and offline reading, providing a more functional experience than the record-keeping focus of Manga Log App.

New entrants(2)

Julian Mueller

known forManga Tana

1 app0.0Book

Manga Tana is a direct competitor in the collection management space, offering similar organizational features to Manga Log App.

QUALITY CHEMICAL CO.

known forMangaNests

1 app4.5Book

MangaNests acts as a content-discovery platform, serving as a companion to the tracking utility of Manga Log App.

The Analyst's Read

The bottom line on Shun Isayama

Bottom line

The publisher maintains a high-velocity, low-overhead strategy by targeting fragmented, long-tail utility needs. Their success depends on the continued discoverability of these specific tools rather than the development of a unified platform.

Frequently asked questions

How many apps does Shun Isayama publish?
Shun Isayama has 82 apps tracked by Marlvel, primarily in the Finance category.
What kind of apps does Shun Isayama make?
Shun Isayama's portfolio is concentrated in Finance and Lifestyle, with an average rating of 0.0/5 across rated apps.
What is Shun Isayama's top app?
By review volume across the portfolio, 쿼드 메모 is Shun Isayama's best-known app tracked by Marlvel.
In how many countries are Shun Isayama's apps available?
Marlvel has tracked Shun Isayama's apps across 12 countries.

What fed this analysis

Apps analyzed:
50
With full intel:
10
With overview:
50
Website scraped:
no
Social presence:
no

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 Shun Isayama, 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. “Shun Isayama intelligence.” Updated 2026-05-05. https://marlvel.ai/publishers/shun-isayama

See methodologyContact support

Data licensed under CC-BY-NC 4.0