Comparison

Clasidocs vs JLPT Ninja

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Clasidocs

Features
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Clasidocs is the fastest way for students to capture and organize their classes โ€” photos of whiteboards and slides, PDFs, voice notes, and written notes โ€” into a clean per-subject structure. The difference: schedule-aware auto-filing. Set your weekly timetable once, and a photo you snap during class is filed into the subject happening right now โ€” automatically, with one-tap override. โ€ข Subjects, course folders, and loose items in a simple structure โ€ข Photos, PDFs, voice notes, text notes, and saved links โ€ข Save into Clasidocs from other apps via the share sheet โ€ข Export any subject as a shareable PDF โ€ข Your notes, photos and files stay on your device โ€” no account, no cloud Snap. Sort. Study.

About

JLPT Ninja

Features
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Ace the Japanese-Language Proficiency Test with JLPT Ninja โ€” your all-in-one, intelligent study companion designed to take you from beginner (N5) to advanced fluency (N1). Whether you are preparing for your very first N5 test, aiming for the pivotal N3 intermediate benchmark, or gearing up for the high-stakes N2 and N1 professional certifications, JLPT Ninja provides everything you need to pass with confidence. ================================== WHY LEARNERS CHOOSE JLPT NINJA ================================== โ€ข COMPLETE N5 TO N1 COVERAGE Switch seamlessly between all 5 JLPT levels. Access curated vocabulary, high-frequency kanji, essential grammar rules, and authentic listening dialogues tailored to official test requirements. โ€ข SCIENTIFIC SRS FLASHCARDS Never forget a word again. Powered by the proven SM-2 Spaced Repetition algorithm, cards adapt dynamically to your personal retention curve: - Authentic Japanese Audio: Tap to listen to crystal-clear pronunciations. - Pitch Accent Notation: Master natural Tokyo pitch patterns with color-coded contours (Heiban, Atamadaka, Nakadaka, Odaka). - Furigana Toggle: Toggle readings on or off with a single tap to test your reading retention. - Real-World Collocations & Context: Learn how words are actually used in natural sentences. - Multilingual Support: Switch explanations instantly between English, Chinese, and Japanese. โ€ข COMPREHENSIVE KANJI CODEX Explore kanji from the ground up: - Filter by all 214 traditional radicals (้ƒจ้ฆ–) or stroke count. - Master On'yomi (Chinese readings) and Kun'yomi (Japanese readings). - Learn high-frequency compound words (็†Ÿ่ชž) for every character. - Track mastery states: Unlearned, Reviewing, and Mastered. โ€ข INTERACTIVE GRAMMAR POINT DRILLS Demystify Japanese syntax with clear, bite-sized lessons: - Detailed connection formulas and grammatical rules. - Nuance comparisons and explanations for similar or easily confused structures. - Instant feedback multiple-choice drill questions with thorough explanations. โ€ข REAL-WORLD LISTENING COMPREHENSION Train your ears for test day with authentic audio dialogues: - Realistic exam-style scenario audio (conversations, announcements, instructions). - Concealable scripts: practice pure listening first, then reveal the full transcript. - Adjustable playback speed (0.4x to standard) for gradual listening mastery. โ€ข AUTHENTIC TIMED MOCK EXAMS Experience the real test before exam day: - Full-length simulated exam sessions with accurate real-time countdown timers. - Sectional tests: drill Language Knowledge, Reading Comprehension, or Listening separately. - Official JLPT Scoring System: Computes sectional scores (0โ€“60) and overall score (0โ€“180). - Pass/Fail Verification: Evaluates the 90/180 overall passing threshold and 19-point sectional cutoff marks. - Review every question post-exam with in-depth answer rationales. โ€ข WEAKNESS BANK & TARGETED TRAINING Eliminate stubborn mistakes before they cost you marks on exam day: - Curated pitfall bank tackling tricky particle distinctions (e.g., ใซใŠใ„ใฆ vs ใซใŠใ‘ใ‚‹), honorific speech (ๆ•ฌ่ชž), and transitive vs. intransitive verb pairs. - Quick 3-minute / 5-question targeted drills. โ€ข PASS PREDICTION & ANALYTICS DASHBOARD Stay motivated with clear visibility into your progress: - Real-time exam pass probability percentage. - Skill radar assessing Vocabulary, Kanji, Grammar, Reading Speed, and Listening Accuracy. - Daily study timer, streak tracking, and personalized review queues. ================================== START YOUR JOURNEY TODAY ================================== Stop juggling multiple textbooks, flashcard apps, and audio files. Master Japanese with JLPT Ninja and walk into your exam room ready to pass. Download JLPT Ninja today and start your path to JLPT mastery!

Screenshots

Clasidocs4 screens
JLPT Ninja4 screens

Verdict

The call

Clasidocs and JLPT Ninja are too close to call on the numbers: across 5 compared parameters โ€” price, ads, in-app purchases and device support among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Clasidocs versus JLPT Ninja: the parameters behind the verdict, then further details
ParameterClasidocsJLPT Ninja
PriceFreeFree
Update frequencyโ€”Monthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS16.4 โ€” better17.0
Further details โ€” not scored
Size73 MB19 MB
Age rating4+4+
DeveloperYassin ChrorouHui Zhang

In-app purchases

None

Clasidocs

No in-app purchases

None

JLPT Ninja

No in-app purchases

Questions

Is Clasidocs free?
Clasidocs is free to download, with no in-app purchases.
Is JLPT Ninja free?
JLPT Ninja is free to download, with no in-app purchases.
Do Clasidocs or JLPT Ninja have ads?
Neither Clasidocs nor JLPT Ninja shows ads.

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