Mazii Japanese Dictionary JLPT is a reference and exam-preparation tool for Japanese language learners on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Reference
Sentiment
4.6
93k reviews
Nemesis
English Bangla Dictionary
The App DNA
What makes this app unique?
The app removes the friction of switching between multiple study tools by centralizing dictionary, grammar, and test-prep resources in one interface.
For Japanese language learners, JLPT candidates, and expatriates or travelers in Japan.
Key features
Lookup via camera, handwriting, voice, and text input.
500 total mock tests covering N5 through N1 levels.
Customizable vocabulary decks with spaced repetition.
How much does it cost?
The freemium model utilizes ad-supported access to drive scale, with premium upgrades gated behind feature-specific unlocks.
Velocity
Maintenance developmentperformanceopaqueShow more...
The app currently ships at a cadence of approximately 1 release per week, but all recent updates are limited to minor bug fixes and stability improvements. There is no evidence of new features, content, or live operations in the observed data. The development trend is stable but strictly focused on maintenance. The publisher is currently providing opaque release notes, offering no insight into specific technical improvements.
Who built it?
Ghi Nguyen
8 apps tracked · Reference
Todaii: Learn German A1-C1
Mazii: Learn Japanese Kanji
Enny Toeic:Toeic practice test
Todaii: Learn English
TODAI: Learn Spanish by news
Todaii: Easy Korean
Todaii: Learn Japanese N5-N1User Sentiment
What do users think recently?
Recent user voice shows an excited sentiment. Users appreciate accuracy of the dictionary database, but report ad-load fatigue.
How are ratings & reviews evolving?
What users say, by theme
- Accuracy of the dictionary database
- Ad-load fatigue
Competition
Competitive landscape for Mazii Japanese Dictionary JLPT
How's the Reference market?
Mazii Japanese Dictionary JLPT maintains a 4.62 rating across 92,870 total ratings. The app's consistent presence in the Books & Reference charts across multiple international markets signals a stable, albeit competitive, position in the language-learning segment.
Read the market outlookThe rivals identified
By Innnovative-Software
This app competes for the same utility-focused user base seeking high-volume, offline-accessible reference tools for language translation and vocabulary management.
- Massive user base and review volume create a significant barrier to entry for new competitors
- Integrated OCR functionality allows users to translate text directly from physical documents or images instantly
- Two-way search capability provides a more versatile experience for bilingual users compared to unidirectional dictionaries
imiwa?Contender
Advanced English Dictionary HDContender
EijiroidContender
English Dictionary - LDOCE PROContenderUnlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Mazii Japanese Dictionary JLPT
Where is it heading?
The Japanese language learning market is consolidating around tools that offer both deep reference utility and structured exam prep. Mazii's current maintenance-only cadence risks ceding ground to rivals that ship frequent live-ops or feature updates, meaning the PM must prioritize retention-focused UX changes to defend the current user base.
- The maintenance-only release cadence suggests a lack of active feature investment, which leaves the app vulnerable to rivals with faster innovation cycles.
- High user satisfaction regarding dictionary accuracy provides a stable foundation for potential monetization shifts away from ad-heavy models.
The SWOT
- Multi-modal search reduces lookup friction
- Comprehensive JLPT mock test library
- Localized pricing in high-ARPU markets
Next best moves
Reduce ad frequency in the free tier because ad-load fatigue is the top complaint → increase daily active retention
The counter-intuitive read
The reliance on ad-supported revenue is a strategic vulnerability…
Read the full takeFeature gaps
Integrated OCR for physical documents (available in English Bangla Dictionary but absent here)
Since the last report: The app's strategy shifted from UI-focused repairs to addressing ad-load fatigue through monetization adjustments. The competitive profile now highlights a maintenance-only release cadence as a primary weakness.
Bottom line
Transitioning the ad-heavy free tier to a more balanced freemium model would address the primary churn driver identified in user reviews, unlocking higher long-term retention for the JLPT study base.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Mazii Japanese Dictionary JLPT good for beginners?
How does Mazii compare to other Japanese dictionaries?
Does the app have intrusive ads?
What is a free alternative to Mazii?
Sources
- [1] Play Store listing, source
Report last updated