kawaiiDungeon - Learn Japanese icon
kawaiiKotoba - Japanese Puzzle icon
kawaiiNihongo - Learn Japanese icon
+1

Jan Dittmer

For beginners and casual learners interested in Japanese language and culture, ranging from students to hobbyists.

4apps4.2(38.7K) Multi-theme

Snapshot

Who is Jan Dittmer?

Helping beginners master Japanese through gamified learning and interactive flashcards. Making language acquisition accessible and entertaining.

Target audience

BeginnersCasual learners interested in Japanese languageCulture

Rivals analysis in progress

Portfolio

Free 4
4
apps
Education2
Games1
Stickers1

Last updated

kawaiiNihongo - Learn Japanese

v4.0.14

8mo ago

Steady

Publisher DNA

What defines Jan Dittmer?

Publisher DNA

Primary focus

Japanese language learning apps

Scale

indie

Target audience

Beginners and casual learners interested in Japanese language and culture, ranging from students to hobbyists.

Signature Patterns

  • •Gamified learning mechanics including RPG-style progression and interactive puzzles
  • •Consistent use of native speaker audio for listening comprehension
  • •Focus on foundational Japanese scripts (Hiragana, Katakana, Kanji) and JLPT N5 curriculum
  • •Freemium model across the entire portfolio
  • •Character-led branding featuring consistent mascots
Steady

Portfolio momentum

Released 3 updates across 4 apps in the last 6 months, with the flagship title receiving an update within the last 30 days.

Last release 41d agoActive apps 3Abandoned 1

Portfolio

What does Jan Dittmer ship?

Apps

4 apps analysed

kawaiiDungeon - Learn Japanese icon
kawaiiDungeon - Learn Japanese

Learn JLPT N5-N4 vocabulary, hiragana and katakana in this fun RPG learning game

4.7(4.7K)
kawaiiKotoba - Japanese Puzzle icon
kawaiiKotoba - Japanese Puzzle

Discover Japanese vocabulary while solving puzzles in our fun word game!

3.4(40)

The Analyst's Read

The bottom line on Jan Dittmer

Bottom line

The publisher demonstrates strong product-market fit in the educational gaming space by successfully gamifying the difficult process of learning Japanese scripts. Their disciplined focus on a single language niche provides a clear, defensible position against broader, less specialized language learning platforms.

Frequently asked questions

How many apps does Jan Dittmer publish?
Jan Dittmer has 4 apps tracked by Marlvel, primarily in the Education category.
What kind of apps does Jan Dittmer make?
Jan Dittmer's portfolio is concentrated in Education and Games, with an average rating of 4.2/5 across rated apps.
What is Jan Dittmer's top app?
By review volume across the portfolio, kawaiiNihongo - Learn Japanese is Jan Dittmer's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
4
With full intel:
0
With overview:
4
Website scraped:
yes
Social presence:
yes

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 Jan Dittmer, 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. “Jan Dittmer intelligence.” Updated 2026-05-08. https://marlvel.ai/publishers/jan-dittmer

See methodologyContact support

Data licensed under CC-BY-NC 4.0