Report updated May 7, 2026
Oxford Dictionary & Thesaurus
For academic students, language learners, and professionals such as lawyers and writers.
Oxford Dictionary & Thesaurus is an established reference app that is available. With a 4.3/5 rating from 565K reviews, it shows polarized user reception. Users particularly appreciate comprehensive dictionary content provides reliable definitions and etymology for academic and professional study, though intrusive full-screen advertisements disrupt the user experience and hinder basic dictionary lookups remains a common concern.
What is Oxford Dictionary & Thesaurus?
Oxford Dictionary & Thesaurus is a multi-language reference app for students and professionals, providing access to 15 distinct Oxford databases on iOS and Android.
Users hire this app to access authoritative linguistic data for academic and professional tasks, relying on its offline capability to ensure consistency in low-connectivity environments.
Current Momentum
v15.21 · 1w ago
Maintenance- Ships font size and camera flow updates.
- Redesigned Word of the Day card.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Single interface providing access to 15 distinct Oxford language databases.
Full database access without an active internet connection.
How much does it cost?
- Free tier with ad support
- Premium tier with offline access, audio, and ad-free experience
Freemium model uses ad-supported access to build a large user base, gating core utility features to drive subscription conversion.
Who Built It?
MobiSystems
Providing mobile professionals with essential document management and utility tools. Streamlining productivity across local, cloud, and network storage.
Portfolio
13
Apps
What other apps does MobiSystems make?
Concise Oxford German Dict.
File Commander Manager & Vault
Collins French Dictionary
Nurse's Pocket Drug Guide
Concise Oxford Thesaurus
Collins Cobuild Intermediate
Explore the full MobiSystems report
Portfolio breakdown, audience, momentum, and every app published by MobiSystems.
What do users think recently?
High confidence · 99 reviews analyzed · Based on 99 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate comprehensive dictionary content provides reliable definitions and etymology for academic and professional study, but report intrusive full-screen advertisements disrupt the user experience and hinder basic dictionary lookups.
What Users Love
What Frustrates Users
What Users Want
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Oxford Dictionary & Thesaurus?
How's The Reference Market?
How does it evolve in the Reference market?
The app holds a #84 Grossing position in the US Reference category. The gap between its high-utility content and current monetization friction suggests a ceiling on long-term revenue growth.
Rank progression
182 active rankings tracked — 30-day window
The rivals identified
Nemeses(1)
This is the most direct competitor, sharing the exact same reference dictionary niche with a massive, established user base and high-authority brand recognition.
Differentiators
- Leverages a century of brand authority as the primary American English language reference standard.
- Integrates daily word games and quizzes to drive higher daily active user engagement metrics.
- Provides a more robust offline mode that functions without requiring persistent data connectivity.
Head to head
The target app must pivot toward gamification or community-driven learning features to compete with the high retention rates of the Merriam-Webster daily engagement model.
Contenders(2)
A highly-rated, stable alternative that serves the same core dictionary utility with a focus on simplicity.
Differentiators
- Prioritizes a minimalist, distraction-free interface that appeals to users seeking pure reference utility.
- Optimized for rapid lookup speeds, reducing the time from app launch to definition display.
A massive-scale competitor that dominates the reference category through high-frequency updates and broad feature sets.
Differentiators
- Aggressive release cadence ensures the app remains compatible with the latest OS features and UI trends.
- Features a comprehensive thesaurus and word origin database that exceeds standard dictionary definitions.
Same space(3)
An adjacent peer that focuses on contextual learning, bridging the gap between dictionary lookups and language acquisition.
Differentiators
- Provides real-world usage examples from documents and subtitles to show words in actual context.
- Includes a dedicated flashcard system for users to save and practice vocabulary over time.
A high-performance translation peer that captures users interested in linguistic accuracy and professional-grade output.
Differentiators
- Utilizes advanced neural machine translation models that provide more natural, context-aware sentence translations.
- Maintains a clean, professional UI that avoids the clutter of ad-supported reference applications.
While primarily a translation tool, its massive footprint in the reference category makes it a default utility for the target's audience.
Differentiators
- Provides real-time camera-based translation and voice-to-voice conversation modes that dictionary apps lack.
- Deep integration with the broader Google ecosystem allows for seamless cross-platform data synchronization.
New entrants(1)
An emerging threat leveraging AI-driven voice translation to capture users looking for modern, interactive language tools.
Differentiators
- Implements real-time AI voice-to-voice translation, moving beyond static text-based dictionary definitions.
- Focuses on a subscription-based model that prioritizes premium AI features over ad-supported legacy dictionary models.
Compare Oxford Dictionary & Thesaurus against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Oxford Dictionary & Thesaurus
Strengths to defend, gaps to attack
Core Strengths
- 15-language database aggregator creates high switching costs
- Offline-first architecture supports professional usage
Critical Frictions
- Subscription-only model alienates legacy users
- High-frequency unskippable ads degrade session quality
Growth Levers
- Implement a one-time lifetime purchase option
- Introduce B2B licensing for educational institutions
Market Threats
- Merriam-Webster's gamification model increases retention
- Google Translate's real-time translation erodes static lookup utility
What are the next best moves?
Introduce one-time lifetime purchase option because subscription-only model is the top-cited barrier to adoption → increase conversion of churned users.
Top request theme in sentiment analysis.
Trade-off: Pause the annual subscription price-test — lifetime conversion has higher immediate revenue potential.
Audit ad-frequency logic because unskippable ads are the #1 complaint theme → improve daily session retention.
High-frequency complaint in sentiment analysis.
Trade-off: Delay the next language database integration — session quality is currently the primary churn risk.
A counter-intuitive read
The app's #84 grossing rank is a liability, not an asset, as it signals that the current monetization model is failing to convert the massive free-tier user base.
Feature Gaps vs Competitors
- Daily word games (available in Merriam-Webster but missing here)
- Real-time camera translation (available in Google Translate but missing here)
Key Takeaways
The app maintains a strong content moat but risks long-term churn due to aggressive monetization, so the PM should prioritize a lifetime purchase option to stabilize the user base.
Where Is It Heading?
Declining
The reference market is consolidating around engagement-focused models, leaving static dictionary apps exposed to churn. The target app faces a declining outlook unless it pivots from aggressive ad-gating to a more balanced monetization strategy that respects the user's primary job-to-be-done.
The shift to subscription-only models triggers high-frequency billing complaints, which erodes the trust required for long-term user retention.
Intrusive ad frequency in the latest release disrupts core lookup utility, driving users toward competitors like Merriam-Webster.