MadCat: WhatsApp Audio to Text icon
Reading Journey: Book Tracker icon
Treehouse Animal Puzzle icon

Vinh Dinh

For a fragmented audience including avid readers, parents of toddlers, and professionals seeking time-saving communication tools.

3apps4.5(91) Multi-theme

Snapshot

Who is Vinh Dinh?

Helping readers track their emotional journey through books while providing utility tools for daily productivity. A diverse portfolio focused on personal organization and niche lifestyle management.

Target audience

A fragmented audience including avid readersParents of toddlersProfessionals seeking time-saving communication tools

Active nemesis

Kimico

Other rivals

Portfolio

Free 3
3
apps
Book1
Education1
Utilities1

Last updated

Reading Journey: Book Tracker

v1.4.7

4mo ago

Intense

Publisher DNA

What defines Vinh Dinh?

Publisher DNA

Primary focus

Lifestyle, utility, and educational apps

Scale

indie

Target audience

A fragmented audience including avid readers, parents of toddlers, and professionals seeking time-saving communication tools.

Signature Patterns

  • Consistent free-to-use pricing model across all titles.
  • Focus on niche, single-purpose utility or tracking functionality.
  • High-frequency update cadence across the entire portfolio.
  • Design-forward approach with emphasis on visual progress and custom interfaces.
Intense

Portfolio momentum

Released 13 updates across 3 apps in the last 6 months, indicating a high-frequency development cycle for a small portfolio.

Last release 28d agoActive apps 3

Portfolio

What does Vinh Dinh ship?

Apps

3 apps analysed

DNF Graveyard provides a distinct, humanizing differentiator

  • Emotional journey tracking and book graveyard features provide a unique and personalized reading experience
  • Inaccurate book search and database lookup failures prevent users from tracking their current reading

Distributed across 10 markets, strongest in Europe.

Based on 1 of 3 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (3)

  • Brazil1 / 1
  • Mexico1 / 1
  • United States1 / 1

Europe (5)

  • France1 / 1
  • Germany1 / 1
  • Italy1 / 1
  • Portugal1 / 1
  • Spain1 / 1

Asia-Pacific (2)

  • Japan1 / 1
  • South Korea1 / 1

Core markets (1/1 apps)

BrazilFranceGermanyItalyJapanMexicoPortugalSouth KoreaSpainUnited States

User Sentiment

How do users feel about their apps?

1

Positive apps

0

Neutral / mixed

0

Negative apps

75/100

Avg sentiment score

Rivals

Who does Vinh Dinh compete with?

The rivals identified

Nemeses(1)

Kimico

known forBookBuddy: Book Tracker

1 app4.8Book

With over 13,000 reviews and a decade of market presence, this app is the established leader in the personal book tracking niche.

Contenders(1)

Andrew Bennet

known forReading List: Book Tracker

1 app4.8Book

High release velocity with 10 updates in six months indicates a highly active development cycle directly competing for the same user base.

Same space(1)

OverDrive

known forLibby, the library app

1 app4.9Book

While it serves the broader book ecosystem, its massive scale and library-first focus make it an adjacent giant rather than a direct tracker competitor.

The Analyst's Read

The bottom line on Vinh Dinh

Bottom line

Vinh Dinh is an agile indie developer testing product-market fit across multiple categories. The high update velocity suggests a commitment to iterating on user feedback, though the lack of a cohesive category focus makes the long-term strategic direction difficult to predict.

Frequently asked questions

How many apps does Vinh Dinh publish?
Vinh Dinh has 3 apps tracked by Marlvel, primarily in the Book category.
What kind of apps does Vinh Dinh make?
Vinh Dinh's portfolio is concentrated in Book and Education, with an average rating of 4.5/5 across rated apps.
What is Vinh Dinh's top app?
By review volume across the portfolio, Reading Journey: Book Tracker is Vinh Dinh's best-known app tracked by Marlvel.
In how many countries are Vinh Dinh's apps available?
Marlvel has tracked Vinh Dinh's apps across 10 countries.

What fed this analysis

Apps analyzed:
3
With full intel:
0
With overview:
3
Website scraped:
yes
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 Vinh Dinh, 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. “Vinh Dinh intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/vinh-dinh

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Data licensed under CC-BY-NC 4.0