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Japanese English Dictionary ++ vs its rivals

Side-by-side comparison against Japanese English Dictionary ++'s closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Japanese English Dictionary ++
This App
English Dictionary - Offline
Nemesis
English Verb Conjugation
Contender
Spanish Verb Conjugation
Contender
Esperanto-English Dictionary
Contender
Yoruba-English Dictionary
Contender
Kana Town
Peer
LP Ancient Greek
Peer
Roybi
Peer
Learn Persian (Beginners)
Peer
Core Identity
DeveloperSing Fu ChanZeeAlpha TechWebtowebWebtowebFB PUBLISHING LLCFB PUBLISHING LLCGuillaume BernardDavid ArthurRoybi Inc.BNR LANGUAGES INC.
CategoryEducationReferenceEducationEducationReferenceReferenceEducationEducationEducationEducation
PlatformAndroid, iOSAndroid, iOSiOS, AndroidAndroidiOSiOSiOSiOS, AndroidiOS, AndroidiOS, Android
Store Metrics
Rating4.4 / 53.5 / 50.0 / 54.4 / 53.5 / 54.5 / 54.7 / 54.8 / 52.4 / 54.5 / 5
Ratings Count284015857366578130169
PriceFreeFree$0.99FreeFreeFreeFree$3.99FreeFree
Release DateMar 9, 2014Jan 7, 2026May 22, 2016Dec 20, 2024Mar 20, 2020Jun 25, 2023Mar 12, 2016May 10, 2012Nov 23, 2019Dec 18, 2023
Last UpdatedOct 2, 2025Jan 27, 2026Nov 28, 2025Jan 8, 2026Nov 28, 2021Nov 29, 2023Mar 25, 2018Jan 26, 2026Jul 27, 2022May 13, 2026
Sentiment & Reviews
Sentimentmixedexcellentpositivemixed--excellentpositivenegative-
Score60/10088/100100/10070/100--90/10085/10035/100-
Praises
  • Offline functionality and search speed
  • Reliable offline functionality allows users to access definitions without requiring an active internet connection
-
  • Offline accessibility
--
  • Typing answers from scratch forces deeper retention compared to multiple choice alternatives
  • Comprehensive vocabulary and grammar drills provide effective reinforcement for students learning ancient Greek
--
Complaints
  • Ad-supported interruptions
  • Lack of synonym and thesaurus features limits the utility for advanced writing and vocabulary expansion
-
  • Ad frequency
--
  • Application crashes during practice sessions following the latest update on specific devices
  • Automatic quiz advancement prevents students from reviewing incorrect answers or reinforcing difficult lessons
--
Requests
  • Advanced grammatical tools
  • Integration of specialized business and commerce terminology would support professional and academic study needs
-
  • Progress tracking
--
  • Integrated audio pronunciation for all characters to support auditory learning styles
  • Manual quiz progression would allow students to pause and reflect on their responses
--
Strategic Intel
Strengths
  • Offline database functionality sustains utility in low-connectivity travel scenarios
  • Quick Search Technology minimizes lookup friction for high-frequency users
  • Offline-first architecture eliminates server-side latency
  • Dictionary API enables B2B distribution into third-party apps
  • Ad-free IAP conversion path sustains revenue without degrading UX
  • Focused interface for conjugation workflows
  • 9000-verb database provides deep coverage
  • Offline-first database architecture enables usage in low-connectivity environments
  • Specialized focus on verb mechanics provides a streamlined experience
--
  • Keyboard-based active recall mechanism drives deeper character retention than multiple-choice rivals
  • SRS-based scheduling reduces user study-planning friction
  • Specialized academic content acts as a brand barrier to entry into the classical language segment
  • One-time purchase model avoids subscription fatigue for price-sensitive students
  • Face and emotion detection enables personalized interaction
  • 500+ lesson library provides broad educational content
  • Offline-first architecture enables usage in travel environments without connectivity
  • Linear curriculum lowers the barrier to entry for absolute beginners
Weaknesses
  • 1.36-point Android-iOS rating gap indicates performance regressions on the Android build
  • Ad-supported monetization creates a cluttered user experience
  • Absence of thesaurus/synonym tools limits utility for advanced writers
  • 3.5-star rating on iOS suggests poor feature parity with Android
  • Reliance on external Wiktionary data limits proprietary content differentiation
  • $0.99 price on iOS limits acquisition
  • 0 reviews on iOS indicates low visibility
  • Ad-supported model creates friction for daily study sessions
  • Lack of progress tracking limits long-term user engagement
--
  • Technical instability during practice sessions causes forced app closures
  • Lack of social leaderboards limits long-term engagement
  • Automatic quiz advancement creates friction for active learners
  • Ambiguous vocabulary glosses cause frustration due to rigid answer validation
  • 2.37-star rating on iOS indicates poor app stability
  • Hardware-gated access creates high entry friction
  • Ad-only monetization limits revenue per user
  • Absence of interactive speaking practice creates high churn risk
Pricingfreefreemiumfreemiumfreemiumfreefreefreepaidfreemiumfree
MomentumMaintenanceMaintenanceMaintenanceZombie--ZombieMaintenanceZombieMaintenance
Update Cadence2 versions, ~299d avg4 versions, ~60d avg4 versions, 3 majors/6mo, ~1164d avg1 versions--1 versions, 1 majors/6mo2 versions, ~158d avg2 versions, 1 majors/6mo, ~1056d avg2 versions, ~2d avg

Compare Japanese English Dictionary ++ head-to-head

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AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Japanese English Dictionary ++, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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