3000 Core English Vocabulary
By Doan Dat
3000 Core English Vocabulary is a language learning tool for TOEIC test preparation, featuring thematic word lists and gamified exercises on iOS and Android.
The App DNA
What makes this app unique?
Learners use the spaced repetition system to overcome the cognitive friction of long-term vocabulary retention, replacing manual flashcard methods with automated interval scheduling.
For English language learners ranging from beginners to advanced, specifically those preparing for standardized tests like TOEIC.
What does it look like?
Key features
Vocabulary categorized by topic with supporting illustrations, transcriptions, and pronunciation guides.
Spaced repetition system using intervals of 3, 7, 14, and 30 days to reinforce memory retention.
Full vocabulary and learning content available without internet connection.
How much does it cost?
Freemium model utilizes ad-supported free access to drive volume, with subscription and one-time purchase options for feature access.
Velocity
Maintenance developmentperformanceopaqueShow more...
The app maintains a maintenance-level cadence, with only one release identified in the recent window. Development is currently limited to performance and stability improvements, with no evidence of new features or content updates. The latest release occurred 69 days ago, reflecting a stable but slow development cycle. The publisher provides no insight into specific changes, as all recent notes are opaque.
Who built it?
Doan Dat
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3000 Core English Vocabulary
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600 Essential Words for ExamsUser Sentiment
What do users think recently?
The recent review mood reads mixed. Users appreciate vocabulary acquisition features like flashcards and ipa support provide a clear learning path for students.
How are ratings & reviews evolving?
What users say, by theme
- Vocabulary acquisition features like flashcards and IPA support provide a clear learning path for students
- Critical data loss of saved vocabulary lists occurs following updates, forcing users to restart their progress
18 of 18 recent reviews analyzed · moderate confidence · Mixed overall
Read the full review analysisUnlock 2 more frustration themes, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for 3000 Core English Vocabulary
How's the Education market?
3000 Core English Vocabulary maintains a 4.78 rating across 180 total ratings, though the lack of recent feature updates signals a maintenance-mode posture.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for 3000 Core English Vocabulary
Where is it heading?
The app is currently in a maintenance-mode cadence, with no significant feature expansion in the last three months. Unless the technical instability regarding data persistence is resolved, the current sentiment decline will likely accelerate churn among the core TOEIC-prep user base.
- Critical data loss following the latest update forces users to restart progress, which erodes the long-term retention habit.
- Audio playback failures prevent pronunciation practice, rendering the app ineffective for language study and driving negative sentiment.
The SWOT
- Spaced repetition system creates a defensible retention loop
- Offline-first architecture removes connectivity dependency
- Localized content expansion for specific test markets
Next best moves
Audit data persistence logic because saved word lists disappear after the latest update → stabilize user progress
+ 1 more prioritized moveThe counter-intuitive read
The app's reliance on offline-first architecture is a…
Read the full takeBottom line
Addressing the data persistence and audio failures is essential to prevent further sentiment erosion, as the current technical instability undermines the core value of the spaced repetition system.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is 3000 Core English Vocabulary good for TOEIC preparation?
Does 3000 Core English Vocabulary work offline?
Are there any known issues with the latest update?
Sources
- [1] App Store
Report last updated