InputDojo
Summary
Most language apps plateau the moment you leave the tourist vocabulary tier — you've memorized 'hello' and 'thank you' and the app has nothing harder to show you. InputDojo targets that gap with AI-guided study plans and spaced repetition tuned to exam benchmarks like JLPT and HSK.
The core loop is structured around proficiency levels: you work through vocabulary in context, get speech feedback on conversation practice, and the system reschedules reviews based on what you're actually forgetting. That beats flashcard apps that treat every word the same. The constraint shows up when you need niche language pairs or want to export your progress data — the vendor does not describe an open API, so your learning history stays inside the platform. Teams using this to supplement formal instruction get the most mileage; learners who want to pipe data into a custom dashboard hit a wall fast.
Bottom line: InputDojo earns its place in a JLPT or HSK prep stack where structured AI feedback replaces a human tutor — but if you need data portability or an API to feed a learning management system, you're building a workaround from day one.
Pricing Plans
Subscription- Price
- $7.99–$14.99/month
- Free Tier
- 14-day free trial of Ultimate features; free tier allows exploration of JLPT & HSK content, basic import, and quizzes without AI features
Free
Explore JLPT & HSK content, instant word lookup, 13 languages, mark progress, basic quizzes
- Explore JLPT & HSK content
- Import text from URLs
- Instant word lookup
- 13 languages supported
- Mark items as known & track progress
- Quizzes for vocab, kanji, hanzi, grammar
Pro
Save vocabulary with spaced repetition (SM-2), character review, anki-style mastery levels, YouTube imports
- Save vocabulary with context
- SRS flashcards (SM-2 algorithm)
- Character review deck
- Anki-style mastery levels
- YouTube imports
- Import from URLs
Ultimate
Everything in Pro plus AI-generated reading material, conversation practice, personalized study plans, priority support, speech feedback
- AI-generated reading material
- AI conversation practice
- AI personalized study plans
- Speech feedback
- Priority support
- Everything in Pro
View full pricing on inputdojo.com →
Pricing may have changed since last verified. Check the official site for current plans.
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Pros
Sign in to edit- Exam-aligned study plans for JLPT and HSK mean practice time maps directly to what standardized tests score, so you're not drilling vocabulary that won't appear on the test you're sitting.
- Vocabulary presented in native-media context rather than textbook sentences, which means words land with the register and colocation patterns you'll actually encounter in listening or reading sections.
- Instant speech feedback on conversation practice closes the gap that silent review apps leave — you hear whether your pronunciation is off before bad habits calcify.
- Spaced repetition tuned to individual mastery levels, so the system reschedules reviews based on where you actually struggle rather than applying a one-size decay curve to every learner.
- Mobile and web access from a single account, so review sessions fit around a schedule that doesn't include dedicated study blocks.
Cons
Sign in to edit- No API and no data export path: every progress metric, vocab list, and mastery score lives inside the platform. Learners or institutions that need to feed data into an LMS or run their own retention analysis have no route out — they're maintaining a parallel tracking system manually.
- AI-powered features — personalized plans, speech feedback — are paid-only features. The free tier does not deliver the core differentiator, which means evaluating whether the tool actually fits your learning style requires committing to a paid account.
- Learners whose goal is conversational fluency in an unsupported language pair, or who need a tutor-like correction model beyond speech feedback, will hit the ceiling of what a structured app can offer and move to a platform with live tutors or a larger language coverage list.
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About
- Platforms
- Web, iOS, Android
- API Available
- No
- Self-Hosted
- No
- Last Updated
- 2026-06-04T14:01:18.645Z
Best For
Who it's for
- Language learners preparing for standardized exams (JLPT, HSK)
- Self-directed learners who prefer learning from authentic content
- Users who want AI-powered personalized study plans and feedback
- People studying less common language pairs beyond major apps
- Learners seeking mobile and web access for flexible study
What it does well
- Preparing for JLPT or HSK exams with structured, AI-guided study plans
- Building vocabulary in context from native media and real-world content
- Practicing conversation and receiving instant speech feedback in multiple languages
- Tracking vocabulary mastery across multiple proficiency levels
- Supplementing formal language courses with personalized content and spaced repetition
Integrations
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Frequently Asked Questions
- Is InputDojo free?
- InputDojo is a paid tool ($7.99–$14.99/month). A 14-day free trial is available.
- Is InputDojo open source?
- No — InputDojo is a closed-source tool. Source code is not publicly available.
- What platforms does InputDojo support?
- InputDojo is available on: Web, iOS, Android.
Hours Saved & ROI Stories Community
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Language learners preparing for standardized exams face a specific problem: generic apps don’t map to the vocabulary lists and grammar patterns that exams actually test, so practice time and test-day readiness stay poorly correlated. InputDojo addresses this by building study plans around exam structures — JLPT and HSK levels — and layering spaced repetition over vocabulary drawn from authentic content rather than curated textbook sentences. The workflow runs on both mobile and web, so reviews fit into transit time, and speech practice with instant feedback closes the loop that silent flashcard drills leave open.
The differentiating feature is AI-personalized content from native media. Instead of a fixed corpus, the vendor describes a system that surfaces vocabulary in context from real-world material, which means the words you encounter look and sound the way a native speaker actually uses them. Spaced repetition then schedules those words based on individual mastery signals rather than a generic decay curve — so a learner who nails ‘kanji reading’ but fumbles pitch accent gets a different review schedule than one with the opposite gap.
Where InputDojo fits well: self-directed learners who want exam-aligned structure without enrolling in a course, or learners studying less common language pairs that mainstream apps underserve. Where it breaks: the platform has no API the vendor describes, no self-hosted option, and no data export path visible in the source documentation. Learners who want to integrate progress tracking into a broader LMS or analyze their own retention data will find the platform a closed system. AI features — including the personalized study plan layer and speech feedback — are paid-only features, meaning the free tier is closer to a trial than a permanent option for the core value proposition.