Gaster Dingbats icon
Shavian & Quikscript icon
Standard Galactic Alphabet icon
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Maarten Trompper

For linguistics hobbyists, fans of fictional languages, and users seeking creative text customization for messaging.

4apps4.4(39.6K) Multi-theme

Snapshot

Who is Maarten Trompper?

Providing specialized utility tools for linguistic enthusiasts and fans of fictional scripts. Enabling users to transliterate text into archaic and symbolic alphabets.

Target audience

Linguistics hobbyistsFans of fictional languagesUsers seeking creative text customization for messaging

Active nemesis

Robin Media Apps, SOCIEDAD LIMITADA

Other rivals

Portfolio

Free 4
4
apps
Reference2
Entertainment1
Productivity1

Last updated

Write in Runic

v3.6.5-runic

10mo ago

Active

Publisher DNA

What defines Maarten Trompper?

Publisher DNA

Primary focus

Utility tools for linguistics and symbolic scripts

Scale

indie

Target audience

Linguistics hobbyists, fans of fictional languages, and users seeking creative text customization for messaging.

Signature Patterns

  • •Development of system-wide keyboard extensions for non-standard scripts
  • •Freemium monetization model across primary utility titles
  • •Focus on niche, enthusiast-driven linguistic and symbolic content
  • •Minimalist UI design centered on translation and conversion functionality
Active

Portfolio momentum

Released 6 updates across 4 apps in the last 6 months, with all titles receiving recent maintenance, indicating a stable development cycle.

Last release 144d agoActive apps 4

Portfolio

What does Maarten Trompper ship?

Apps

4 apps analysed

Gaster Dingbats icon
Gaster Dingbats

Write your name using dingbats translator & keyboard!

4.5(3.3K)
  • Specialized Zapf Dingbat conversion provides a clear utility for the Undertale community
  • Limited symbol variety makes the paid keyboard utility feel redundant compared to free alternatives
Write in Runic icon
Write in Runic

Rune Writer & Keyboard

4.7(34.7K)

Phonetic transliteration engine drives consistent organic install velocity

  • Informative runic content provides educational value for users interested in historical scripts
  • System keyboard integration fails to appear in settings after following installation instructions

Single-market publisher, every app ships only to United States.

Based on 2 of 4 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Core markets (2/2 apps)

United 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 Maarten Trompper compete with?

The rivals identified

Nemeses(2)

Robin Media Apps, SOCIEDAD LIMITADA

known forFont Maker: Cursive Keyboard

1 app4.4Entertainment

Both apps compete for the same social media and messaging keyboard utility space, with Font Maker offering broader personalization features that directly challenge the niche focus of Gaster Dingbats.

Tristan Jarrett

known forFuthark: Runic Keyboard

1 app4.7Reference

Both apps target history enthusiasts and fantasy fans with runic translation and keyboard utilities, creating direct competition for users seeking to type in ancient scripts.

Contenders(1)

Andrei Skurlatov

known forOldNorse Dictionary

2 apps5.0Reference

Both applications target the niche of historical linguistics and runic enthusiasts, with Write in Runic providing script transliteration while OldNorse Dictionary focuses on vocabulary lookup.

Same space(16)

Abdulla Al-Shurafa

known forBengali Transliteration Keyboard by KeyNounce

10 apps3.7Reference

KeyNounce provides the phonetic keyboard functionality that Write in Runic attempts to implement for historical scripts.

Abubakr Elmallah

known forAurebesh Translator

1 app4.7Entertainment

This app functions as a specialized language utility for a specific fan community, mirroring the niche focus of Gaster Dingbats.

David Arthur

known forLP Old Norse

1 appReference

LP Old Norse complements Write in Runic by providing the educational curriculum for the language that users might want to write.

DeepL SE

known forDeepL Translate

1 app4.7Reference

DeepL Translate serves the same linguistic audience but focuses on professional-grade translation rather than historical script reference.

Dynamic Apps & Games

known forText Fonts, Emojis & Symbols

1 app4.3Entertainment

This app competes for the same social media personalization audience by offering subscription-based theme creation that Gaster Dingbats lacks.

Elvis Baltais

known forWay of The Runes: Norse Rune

2 apps4.8Reference

Way of The Runes targets the same interest in Norse history but shifts the focus from writing to divination and birth charts.

Google

known forGoogle Translate

1 app4.3Reference

Google Translate acts as the primary utility for language learners, providing a broader, albeit less specialized, alternative to runic transliteration.

Hanno Rein

known forr n kmt

1 app4.6Reference

r n kmt serves the same educational niche for historical scripts, focusing on Middle Egyptian rather than runic alphabets.

Hemant Patel

known forFonts Keyboard Themes & Emoji

1 app4.7Entertainment

This app competes for the same social media demographic by providing high-frequency visual updates that Gaster Dingbats lacks.

Hive 5 Studio DOO

known forCustomize Keyboard & Symbols

1 app4.2Entertainment

This app targets the same messaging utility space but provides broader multilingual support and color customization to attract casual users.

Jernung

known forWrite It! Klingon

1 app4.4Reference

Write It! Klingon uses a handwriting-recognition mechanic to teach scripts, providing a direct alternative to Write in Runic's focus on script mastery.

Jewelsapps S. L.

known forAscii Art Keyboard

1 app4.6Entertainment

This app serves the same aesthetic-focused messaging audience but uses an emoji-to-photo conversion algorithm to drive engagement.

Kristjan Andri Gunnarsson

known forRunic Converter

1 app4.0Reference

Runic Converter provides both keyboard and translation tools, directly overlapping with the core features of Write in Runic.

LEAN ASIA CO.

known forStylish Fonts & Text Symbols

1 app0.0Entertainment

This app targets the same content creator audience by focusing on rapid text decoration and clipboard efficiency.

Maxim Orlovsky

known forRune Keyboard: Norse Futhark

1 app4.0Reference

Rune Keyboard serves as a direct alternative for users seeking system-wide keyboard integration for runic alphabets.

Nikolay Strikhar

known forRunes: Learn Norse

1 app4.3Reference

This app targets the same audience interested in Elder Futhark, focusing on structured learning rather than keyboard utility.

The Analyst's Read

The bottom line on Maarten Trompper

Bottom line

Black Envelope is a disciplined indie studio that successfully monetizes niche linguistic interests through high-utility keyboard tools. Their ability to maintain a high weighted rating across a specialized portfolio demonstrates strong product-market fit within their specific enthusiast segments.

Frequently asked questions

How many apps does Maarten Trompper publish?
Maarten Trompper has 4 apps tracked by Marlvel, primarily in the Reference category.
What kind of apps does Maarten Trompper make?
Maarten Trompper's portfolio is concentrated in Reference and Entertainment, with an average rating of 4.4/5 across rated apps.
What is Maarten Trompper's top app?
By review volume across the portfolio, Write in Runic is Maarten Trompper's best-known app tracked by Marlvel.
In how many countries are Maarten Trompper's apps available?
Marlvel has tracked Maarten Trompper's apps across 1 country.

What fed this analysis

Apps analyzed:
4
With full intel:
0
With overview:
4
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 Maarten Trompper, 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. “Maarten Trompper intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/maarten-trompper

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Data licensed under CC-BY-NC 4.0