---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Dictionnaire Le Robert Mobile"
developer_entity: "Diagonal SAS"
bundle_id: "com.rainero.LRM"
app_store_id: "1018216485"
category: "Reference"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: true
market_region: "US"
platforms: "iOS"
app_last_updated: "2025-08-26"
report_date: "2026-07-27"
last_verified: "2026-07-27T00:00:00.000Z"
report_version: "11.0"
total_reviews: 14
overall_rating: 4.1
sentiment: "Mixed"
sentiment_score: 55
confidence: "medium"
confidence_score: 0.45
top_praise_theme: "The dictionary content provides comprehensive French definitions and usage examples that set a high standard for learners"
top_complaint_theme: "Frequent application crashes force users to restart the software to regain access to dictionary functions"
review_sample_size: 7
total_review_count: 7
analyzed_review_count: 7
data_age_days: 20
momentum_velocity: "maintenance"
intelligence_version: 3
nemesis: "Reverso translate and learn"
competitor_count: 6
tags: ["reference", "paid", "mixed sentiment", "mobile app", "app review", "app analysis", "language", "enthusiasts,", "students,"]
canonical_url: "https://marlvel.ai/apps/com-rainero-lrm"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Dictionnaire Le Robert Mobile Intelligence Report

## TL;DR {#tldr}

- **Category**: Reference · Paid
- **Signal**: Rating 4.14 · Sentiment Mixed
- **Recent focus**: Frequent application crashes force users to restart the software to regain access to dictionary functions (top complaint) · The dictionary content provides comprehensive French definitions and usage examples that set a high standard for learners (top praise)

> **TL;DR:** Dictionnaire Le Robert Mobile is a reference app by Diagonal SAS, rated 4.14/5 by 14 users, with Mixed user sentiment (55/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Dictionnaire Le Robert Mobile shows Mixed sentiment (4.14/5 from 14 reviews) - users praise the dictionary content provides comprehensive french definitions and usage examples that set a high standard for learners but report issues with frequent application crashes force users to restart the software to regain access to dictionary functions.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.14/5 (14 reviews) |
| **User Mood** | Mixed |
| **Category** | Reference |
| **Developer** | Diagonal SAS |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | Medium (0.45/1.0) |
| **Data Age** | 20d |

## Metadata & Market Performance
- **Publisher:** Diagonal SAS
- **Category:** Reference
- **Target Audience:** Language enthusiasts, students, and crossword solvers.
- **Platforms:** iOS
- **Version Reviewed:** 11.0
- **Report Date:** 2026-07-27
- **Signal Count:** 7 reviews analyzed
- **Confidence:** Medium (0.45/1.0)
- **App Store ID (iOS):** 1018216485
- **Bundle ID:** com.rainero.LRM
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-07-27

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Dictionnaire Le Robert Mobile is a paid offline French dictionary app for iOS and iPadOS targeting language learners and puzzle enthusiasts.
**Why users hire it:** Users hire this app for reliable, high-quality French definitions that function without an internet connection, avoiding the data-dependency of web-based rivals.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Offline Dictionary:** Full database stored locally, removing connectivity dependency.
  * *User Intent:* Users want uninterrupted access without internet dependency.
- **[Differentiator] Crossword Assistant:** Filters entries by length and known letters to aid puzzle solving.
  * *User Intent:* Users want to quickly find relevant content or features.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

The app maintains a presence in the Reference category across multiple international markets, though grossing ranks show volatility. The $19.99 price point positions it above the ad-supported category median, requiring high content quality to justify the cost.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Paid
- **Tiers:** $19.99 one-time purchase
- **Price:** iOS: $19.99
- **Analysis:** Premium pricing positions the app as a professional-grade tool, but creates a high barrier versus ad-supported alternatives.

<!-- section:sentiment -->
## 🟡 User Sentiment (Medium Confidence: 7 of 7 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.14/5
- **Platform Split:** iOS 4.1/5 (14 ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **The dictionary content provides comprehensive French definitions and usage examples that set a high standard for learners**
- **Cross-app integration allows users to look up words directly from ebooks and articles for faster learning**
- **Fuzzy matching logic helps users find correct entries even when they misspell search terms during study sessions**

### Top Complaints (Impact Areas)

- **Frequent application crashes force users to restart the software to regain access to dictionary functions**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Offline-first architecture provides a defensible barrier against connectivity-dependent rivals
- Linguistic depth sets a high standard for learners

**Growth Levers:**
- Restoration of idiomatic compound word categorization improves search clarity
- Phonetic guides for proper nouns would satisfy advanced learner requests


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app has experienced a decline in stability and user experience due to crashes and the removal of dark mode, despite the addition of a crossword-specific feature.

**Overall trend**: Declining
**Compared at**: 2026-07-27

### High-impact changes
- **[Declined] Emergence of critical technical complaints** (sentiment)
- **[Removed] Removal of dark mode** (features)

### Medium-impact changes
- **[Added] Crossword Assistant** (features)
- **[Added] Formalized pricing disclosure** (pricing)
- **[Shifted] Audience expansion** (audience)

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Dictionnaire Le Robert Mobile vs Reverso translate and learn
- **[Reverso translate and learn](https://marlvel.ai/apps/com-softissimo-reversocontext)** by Theo Hoffenberg: This app dominates the French language reference market through a massive, high-frequency user base and consistent feature iteration.
  - **Key differences:**
    - Integrates contextual translation examples that bridge the gap between dictionary definitions and real-world usage
    - Provides a comprehensive language learning ecosystem including flashcards and pronunciation guides beyond simple definitions
    - Maintains a high-velocity release cadence with four updates in the last six months to ensure stability

### Contenders (Strong Challengers)
- **[Dictionary.com: English Words](https://marlvel.ai/apps/com-reference-dictionary-dictionary)** by Curiosity Media: A major incumbent in the reference space that maintains high visibility and consistent feature updates.
  - Features a daily word-of-the-day engagement loop that drives consistent user retention
  - Supports extensive offline access, allowing users to consult definitions without an active internet connection
- **[Merriam-Webster Dictionary](https://marlvel.ai/apps/com-m-w-dictionary)** by Merriam-Webster, Inc.: A highly trusted brand in the reference category with a massive, established user base.
  - Includes integrated thesaurus and synonym tools that provide a more holistic vocabulary resource
  - Maintains a clean, professional interface that prioritizes speed and readability for academic users

### Peers (What They Do Better)
- **[Wikipedia](https://marlvel.ai/apps/org-wikimedia-wikipedia)** by Wikimedia Foundation: Serves as the primary alternative for encyclopedic knowledge, shifting the user intent from definition to deep-dive research.
  - Provides crowdsourced, multi-disciplinary knowledge that far exceeds the scope of a standard dictionary
  - Operates as a non-profit, ad-free platform which creates a distinct trust advantage over commercial apps
- **[Dicio Portuguese Dictionary](https://marlvel.ai/apps/com-setegraus-dicio)** by 7 Graus: Represents a strong regional reference competitor, demonstrating the viability of language-specific dictionary apps.
  - Optimized specifically for Portuguese linguistic nuances, including verb conjugation and regional variations
  - Utilizes a lightweight, fast-loading architecture that performs well on older mobile hardware

### New Kids on the Block (What's Innovative)
- **[DeepL Translate](https://marlvel.ai/apps/com-linguee-deeplmobiletranslator)** by DeepL SE: An aggressive, high-velocity competitor that has shipped 16 updates in six months, signaling rapid innovation.

<!-- /section:rivals -->
<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Maintenance-mode cadence, no major updates.
- Last store update 336 days ago.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 244 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Dictionnaire Le Robert Mobile is a reference app that is a paid app.
With a 4.14/5 rating from 14 reviews, it shows mixed user reception.

<!-- speakable-start -->
> **Bottom Line:** The app provides high-quality content, but technical instability and lack of updates threaten its premium positioning [1, 2]. The PM should prioritize stability fixes to defend the user base against high-velocity rivals.
<!-- speakable-end -->

**Best for:** Language enthusiasts, students, and crossword solvers.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] Audit crash logs because frequent crashes are the top complaint theme → improve retention
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors


- Contextual translation examples (available in Reverso but absent here)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Mixed

The reference market is consolidating around high-velocity, multi-modal tools, leaving static dictionary apps exposed. Le Robert Mobile must transition from maintenance to active feature iteration to prevent further churn of its professional user base [1, 2].

- 🔴 Frequent crashes in the latest version erode the daily active habit, which compounds the rating drag already visible on the platform.
- 🔴 The lack of feature updates over the last year allows high-velocity rivals to capture the attention of modern language learners.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.14/5 |
| Total Reviews | 14 |
| Sentiment | Mixed (55/100) |
| Confidence | Medium |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Declining |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Dictionnaire Le Robert Mobile** (this app) | 4.14/5 | Mixed | Diagonal SAS |
| [Reverso translate and learn](https://marlvel.ai/apps/com-softissimo-reversocontext) | 4.7/5 | Mixed | Theo Hoffenberg |
| [Dictionary.com: English Words](https://marlvel.ai/apps/com-reference-dictionary-dictionary) | 4.8/5 | n/a | Curiosity Media |
| [DeepL Translate](https://marlvel.ai/apps/com-linguee-deeplmobiletranslator) | 4.8/5 | Mixed | DeepL SE |
| [Merriam-Webster Dictionary](https://marlvel.ai/apps/com-m-w-dictionary) | 4.8/5 | Thrilled | Merriam-Webster, Inc. |
| [Wikipedia](https://marlvel.ai/apps/org-wikimedia-wikipedia) | 4.4/5 | Mixed | Wikimedia Foundation |

## Company Profile
- **Developer:** Diagonal SAS
- **Website:** [https://www.prolexis.com/lerobertmobile/](https://www.prolexis.com/lerobertmobile/)
- **Social:** [Facebook](https://www.facebook.com/prolexis.diagonal) · [YouTube](https://www.youtube.com/user/EditionsDiagonal) · [LinkedIn](https://www.linkedin.com/company/editions-diagonal-prolexis)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/dictionnaire-le-robert-mobile/id1018216485?uo=2)
- **Dev Site:** [Official Website](https://www.prolexis.com/lerobertmobile/)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*Reverso translate and learn*](https://marlvel.ai/apps/com-softissimo-reversocontext) (Theo Hoffenberg) · 4.7/5 Rating
- [*Dictionary.com: English Words*](https://marlvel.ai/apps/com-reference-dictionary-dictionary) (Curiosity Media) · 4.8/5 Rating
- [*DeepL Translate*](https://marlvel.ai/apps/com-linguee-deeplmobiletranslator) (DeepL SE) · 4.8/5 Rating
- [*Merriam-Webster Dictionary*](https://marlvel.ai/apps/com-m-w-dictionary) (Merriam-Webster, Inc.) · 4.8/5 Rating | Excellent Sentiment
- [*Wikipedia*](https://marlvel.ai/apps/org-wikimedia-wikipedia) (Wikimedia Foundation) · 4.4/5 Rating
- [*Dicio Portuguese Dictionary*](https://marlvel.ai/apps/com-setegraus-dicio) (7 Graus) · 4.5/5 Rating
- [*Hallow: Prayer & Meditation*](https://marlvel.ai/apps/hallow-prayer-meditation) (Hallow, Inc.) · 4.7/5 Rating
- [*고려대 한국어 속담 사전*](https://marlvel.ai/apps/app--428) (DaolSoft, Co., Ltd.) · N/A Rating
- [*우리말 의학사전*](https://marlvel.ai/apps/app--427) (DaolSoft, Co., Ltd.) · N/A Rating
- [*공인중개사 용어사전*](https://marlvel.ai/apps/app--429) (DaolSoft, Co., Ltd.) · N/A Rating

## Frequently Asked Questions {#faq}

### Is Dictionnaire Le Robert Mobile worth the price?

The app is a one-time purchase of $19.99. It is best suited for users who need a reliable, high-quality French dictionary that works offline, whereas casual users may find ad-supported or free alternatives like Wikipedia or Reverso sufficient.

### How does this compare to Reverso?

Reverso offers contextual translation examples and a broader language-learning suite, while Le Robert Mobile focuses on a specialized, deep dictionary experience without the clutter of secondary tools.

### Does the app work offline?

Yes, the dictionary database is stored locally on your device, allowing for full access without an internet connection after the initial download.

### What are some free alternatives?

Users looking for free reference tools often consider Wikipedia for encyclopedic knowledge or ad-supported dictionary apps like Dictionary.com, though these may require an active internet connection.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.45/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 7
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 20 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/com-rainero-lrm)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.