Assistant de jeux de lettres icon
Dictionnaire Le Petit Robert icon
Dictionnaire Le Robert Mobile icon
+1

Diagonal

For french language professionals, students, and crossword enthusiasts seeking authoritative, offline-capable linguistic resources.

4apps3.2(32)ReferenceGames

Snapshot

Who is Diagonal?

Providing authoritative French language reference tools and word game utilities for students, educators, and language enthusiasts.

Target audience

French language professionalsStudentsCrossword enthusiasts seeking authoritative

Active nemesis

Firecracker Software

Other rivals

Portfolio

4
apps
Reference3
Games1

Last updated

Dictionnaire Le Robert Mobile

v11.0

12mo ago

Maintenance

Publisher DNA

What defines Diagonal?

Publisher DNA

Primary focus

French language reference and word game utilities

Scale

indie

Target audience

French language professionals, students, and crossword enthusiasts seeking authoritative, offline-capable linguistic resources.

Signature Patterns

  • Consistent paid-only pricing model across all titles
  • Strong emphasis on offline functionality and data portability
  • Integration of proprietary, expert-curated linguistic databases
  • Focus on high-utility reference and puzzle-solving tools
Maintenance

Portfolio momentum

With zero releases in the last six months and one abandoned application, the publisher maintains a legacy portfolio rather than pursuing active growth.

Active apps 3Abandoned 1

Portfolio

What does Diagonal ship?

Apps

4 apps analysed

Linguistic depth sets a high standard for learners

  • The dictionary content provides comprehensive French definitions and usage examples that set a high standard for learners
  • Frequent application crashes force users to restart the software to regain access to dictionary functions

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

Based on 1 of 4 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States1 / 1

Core markets (1/1 apps)

United States

User Sentiment

How do users feel about their apps?

0

Positive apps

1

Neutral / mixed

0

Negative apps

55/100

Avg sentiment score

Rivals

Who does Diagonal compete with?

The rivals identified

Nemeses(2)

Firecracker Software

known forWord Breaker - Scrabble Cheat

1 app4.4Games

Both apps target word game players seeking puzzle assistance, but Word Breaker focuses on automated screenshot solving for multiplayer games while Assistant de jeux de lettres provides manual dictionary lookups.

Theo Hoffenberg

known forReverso translate and learn

1 app4.7Reference

This app dominates the French language reference market through a massive, high-frequency user base and consistent feature iteration.

Contenders(3)

Curiosity Media

known forDictionary.com: English Words

1 app4.2Reference

A major incumbent in the reference space that maintains high visibility and consistent feature updates.

Merriam-Webster

known forMerriam-Webster Dictionary

1 app4.8Reference

A highly trusted brand in the reference category with a massive, established user base.

Salih Bektas

known forWord Generator: Find & Solve

1 app5.0Games

Both applications target word game players seeking puzzle assistance, with the rival offering multi-language support and offline capabilities against the target app's French-focused Le Robert dictionary integration.

Same space(8)

7 Graus

known forDicio Portuguese Dictionary

1 app4.5Reference

Represents a strong regional reference competitor, demonstrating the viability of language-specific dictionary apps.

Nguyen Thanh Nam

known forWord Streak: Play Daily Puzzle

1 app4.4Games

This app captures the same casual word game audience by offering a puzzle-solving loop rather than a utility assistant.

Romaneev Aleksey

known forAnagrams - Word Search Puzzle

1 app3.4Games

This app addresses the same vocabulary-training audience by focusing on letter rearrangement puzzles.

Scopely

known forScrabble® – Official Word Game

1 appGames

This app targets the same word game enthusiast demographic but provides a full gameplay experience instead of a utility tool.

Second Gear Games

known forIncredible Letters

1 app4.7Games

This app shares the same word-puzzle focus but targets users preferring a tap-based input over standard swiping.

Stefan Kuklinsky

known forWord Cheats (for Scrabble)

1 app4.6Games

This app serves the same utility-seeking audience by providing direct letter-based word resolution for game boards.

Wikimedia Foundation

known forWikipedia

1 app4.4Reference

Serves as the primary alternative for encyclopedic knowledge, shifting the user intent from definition to deep-dive research.

宁 桂

known forRecherche De Mot - Mots mêlés,Jeu de lettres

1 app4.1Games

This app provides a similar word-finding experience but focuses on grid-based search puzzles rather than crossword assistance.

New entrants(1)

DeepL SE

known forDeepL Translate

1 app4.7Reference

An aggressive, high-velocity competitor that has shipped 16 updates in six months, signaling rapid innovation.

The Analyst's Read

The bottom line on Diagonal

Bottom line

Diagonal SAS serves as a stable, brand-aligned repository for Le Robert's linguistic assets. Their strategy relies on brand equity and content depth rather than mobile-native growth tactics.

Frequently asked questions

How many apps does Diagonal publish?
Diagonal has 4 apps tracked by Marlvel, primarily in the Reference category.
What kind of apps does Diagonal make?
Diagonal's portfolio is concentrated in Reference and Games, with an average rating of 3.2/5 across rated apps.
What is Diagonal's top app?
By review volume across the portfolio, Dictionnaire Le Robert Mobile is Diagonal's best-known app tracked by Marlvel.
In how many countries are Diagonal's apps available?
Marlvel has tracked Diagonal's apps across 1 country.

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 Diagonal, 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. “Diagonal intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/diagonal-sas

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Data licensed under CC-BY-NC 4.0