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How to Memorize Vocabulary: Methods and Research
Tomaru Blog covers vocabulary memorization methods, spaced repetition, and how to build English, Japanese and Korean vocabulary faster.
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- October 6, 2026
How to Stop Forgetting Vocabulary: Research and Real Data
Forgetting vocabulary is a method problem. Recall before you check and review the next day, and about 8 to 9 in 10 of what you study is still there a week to a month later.
vocabulary · memory · spaced repetition - October 6, 2026
New HSK 3.0 Vocabulary by Level: 2026 Word Counts
The 2026 HSK syllabus has 11,000 words. Levels add 300, 200, 500, 1,000, 1,600 and 1,800 words for HSK 1 to 6, then 5,600 for HSK 7–9.
HSK · HSK 3.0 · Chinese vocabulary - October 6, 2026
Irodori and JFT-Basic Vocabulary: A1 and A2 Word Counts
JFT-Basic has no official word list. Irodori's A1 vocabulary is 1,182 words and its A2 vocabulary 2,451, so A2 means about 3,600 words in total.
JFT-Basic · Irodori · Japanese vocabulary - October 4, 2026
How Many Words Do You Need for the TOEIC? A Word-by-Word Check Against ETS Official Sample Questions
The 2,000 most common words cover 95.0% of ETS official sample questions; about 4,100 words cover 99.2%. Based on 6,241 words, with conservative score targets.
TOEIC vocabulary · TOEIC Listening & Reading · vocabulary coverage - October 3, 2026
Free JLPT Vocabulary Apps Compared: What Each Free Tier Actually Includes
Anki, renshuu, WaniKani, Bunpro, jpdb, Kanji Study, Migii JLPT and Tomaru compared on what is free, whether there are N5–N1 word lists, and how reviews are scheduled. Prices from official pages and the US App Store, checked October 4, 2026.
JLPT · Japanese vocabulary app · spaced repetition - October 3, 2026
How Many Words for Each JLPT Level? N5 to N1 Word Counts and Sources
JLPT stopped publishing word lists in 2010. The last official figures were about 800 words for the old level 4 (now N5), 1,500 for level 3 (N4), 6,000 for level 2 (N2) and 10,000 for level 1 (N1). Full table with kanji and study hours, the official sources, and which N5 words learners forget most.
JLPT · Japanese vocabulary · JLPT vocabulary - October 3, 2026
How Many Words Do You Need for TOPIK 1–6? Word Counts by Level
TOPIK has no official word list. The Korean government's reference curriculum puts about 1,835 words at levels 1–2, 5,690 at 1–4 and 10,635 at 1–6. Here is the full table, the official sources, the score you need for each level, and how long the words take at 20 new words a day.
TOPIK · Korean vocabulary · TOPIK vocabulary - October 3, 2026
TOPIK I vs TOPIK II: Format, Scores, Levels and Vocabulary Compared
TOPIK I covers levels 1–2 with listening and reading in 100 minutes; TOPIK II covers levels 3–6 and adds writing in 180 minutes. Side-by-side table of questions, scores, level cut-offs and word counts (about 1,835 vs 5,690–10,635 words), plus how long the step up takes.
TOPIK · TOPIK I · TOPIK II - October 3, 2026
3000 Most Common Korean Words: How Long They Take and Which Ones Slip
How long the 3,000 most common Korean words take (about 150 study days at 20 new words a day), what happens after you learn a word, and which kinds of words slip most: short adverbs, near-synonyms and look-alike verbs.
Korean vocabulary · spaced repetition - August 24, 2026
What Is the Testing Effect? Why Quizzing Yourself Beats Re-Reading
The testing effect means one retrieval outlasts one re-reading. In a classic experiment, people who read once and tested themselves three times remembered 61% a week later, versus 40% for those who read four times. On Tomaru, it takes about three looks to learn a word.
memory science · testing effect - August 24, 2026
What Is Active Recall? Why Looking Familiar Is Not the Same as Remembering
Active recall means pulling the answer from memory before checking it. Even after a word is answered correctly, about three in ten people forget the hardest words at the next review, and only trying first shows you which ones.
memory science · active recall - August 24, 2026
What Is the Forgetting Curve? How Much Vocabulary You Keep
The forgetting curve describes how memory decays over time. Words reviewed on schedule are about 80% remembered the next day and 80–90% after a week to a month; new words left a week before their first review drop below half.
memory science · spaced repetition - May 22, 2026
How to Delete Your Tomaru Account and Data
Instructions for requesting deletion of your Tomaru account and related data, including in-app and email request options.
Account · Privacy · Data Deletion - May 22, 2026
Best Vocabulary Apps: Anki vs Quizlet vs Duolingo vs Tomaru
The best vocabulary app brings words back before you forget them. Anki, Quizlet, Duolingo, WORD UP, WordCow and Tomaru compared on decks, review and price.
vocabulary app recommendation · free vocabulary app · spaced repetition - May 21, 2026
What Is FSRS? Free Spaced Repetition Scheduler, Explained
FSRS (Free Spaced Repetition Scheduler) is an open-source algorithm that predicts when you will forget each card and schedules the review just before.
FSRS · spaced repetition · Anki - May 21, 2026
Is Anki Good for Vocabulary? Pros, Cons and an Easier Option
Yes, if you will build decks and tune FSRS yourself. Desktop Anki is free, AnkiMobile is $24.99 on iOS. Tomaru gives ready-made decks with no setup.
Anki vocabulary · spaced repetition · free vocabulary app - May 21, 2026
What is the most effective way to memorize vocabulary? Use spaced review to avoid forgetting words
A practical guide to effective vocabulary learning: context, active recall, spaced review, and real use, so words do not disappear after a few days.
vocabulary learning · spaced review · forgetting curve - May 21, 2026
How to Choose a Free Vocabulary App: Decks, Spaced Repetition and Free-Tier Limits
A comparison of free vocabulary apps by deck availability, spaced repetition, free-tier limits and who each one suits, covering Duolingo, Quizlet, Anki, exam-focused apps and Tomaru.
free vocabulary app · vocabulary app · spaced repetition - May 21, 2026
What is spaced repetition for vocabulary? Review before the forgetting curve wins
An explanation of spaced repetition for vocabulary learning, the forgetting curve, practical review steps, and how tools like Anki and Tomaru help you review before you forget.
vocabulary learning · spaced repetition · forgetting curve - April 23, 2026
What kind of vocabulary app is Tomaru?
A clear explanation of what Tomaru is, how its vocabulary learning flow works, and who it is built for.
Product - April 13, 2026
How Tomaru prepares official vocabulary decks
How Tomaru prepares official vocabulary decks: from learning goals and public materials to AI-assisted generation, review, and ongoing correction.
Product - April 10, 2026
Tomaru Blog Is Now Live
Tomaru Blog is now live, covering product updates, technical articles, and language learning research.
Product · SEO · Engineering
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Tomaru is a free vocabulary app with no ads in the core learning flow, using FSRS spaced repetition to move words into long-term memory.