Preparing for a specialized language proficiency exam is no small task, whether you’re aiming for the DELE (Diplomas de Español como Lengua Extranjera), JLPT (Japanese Language Proficiency Test), or HSK (Hanyu Shuiping Kaoshi – Chinese Proficiency Test). These standardized exams each come with unique formats, time constraints, and specific expectations. Thankfully, modern learners have a range of targeted apps that streamline the process, offering practice tests, vocabulary drills, and grammar exercises that mimic the real thing.
TLDR (Too Long, Didn’t Read)
If you’re studying for the DELE, JLPT, or HSK and want focused, reliable prep tools, this article highlights the top 7 apps designed specifically for each exam. These apps offer features such as adaptive learning, in-depth feedback, and authentic mock exams. Whether you’re a beginner or nearing fluency, there’s an app in this list to make your test prep both efficient and engaging. From AI-driven assessments to community-based review tools, these are the go-to resources successful test-takers swear by.
1. FluentU – Immersive Learning Meets Exam Readiness
Best for DELE, JLPT, HSK
FluentU stands out because it integrates authentic videos—like movie trailers, news, and inspirational talks—with interactive subtitles and quizzes. While it’s not a traditional mock test platform, its immense vocabulary and comprehension prep capabilities make it invaluable for learners working toward DELE, JLPT, or HSK exams.
- Key Feature: Real-world content tailored by language level
- Strength: Excellent for listening and vocabulary reinforcement
- Limitation: Lacks structured full-length mock exams
Its ability to bridge the gap between textbook learning and native media helps students deeply immerse themselves in their target language, especially helpful for the listening sections of all three exams.
2. JLPT N5-N1 Official Practice Apps – Authenticity at Its Best
Best for JLPT
For those chasing Japanese proficiency credentials, the JLPT Official Practice Workbooks App presents original content developed by the test administrators. These apps are categorized by level (N5 to N1) and mirror the format of the real exam. Each section—Listening, Grammar, Vocabulary, and Reading—is separately available for focused training.
- Key Feature: Direct-from-source mock exams
- Strength: Unparalleled accuracy and structure
- Limitation: Interface could be more intuitive for new users

Because it replicates the true exam environment, frequent use of this app greatly improves familiarity with question types and pacing—two crucial elements for JLPT success.
3. HSK Online – Top Pick for Chinese Test-Takers
Best for HSK
HSK Online is often regarded as the gold standard for preparing for the Chinese language exam. With a sleek interface and HSK-specific vocabulary, reading passages, and listening exercises, users can take full-length mock exams or practice individual sections tailored by HSK level.
- Key Feature: Smart AI grading and progress tracking
- Strength: Closely follows the official HSK structure
- Limitation: Occasional mistranslations spotted in English explanations
An especially useful feature is the auto-marked writing section and analytics report, helping test-takers understand their weaknesses and shore up their performance with data-based feedback.
4. DELE Exam Preparation – Habla Español
Best for DELE
This lesser-known but incredibly well-focused app serves those preparing for all levels of the DELE exam. It breaks down the exam structure into module-based lessons, offering grammar drills, timed comprehension quizzes, and speaking prompts designed to mimic the real-world setting.
- Key Feature: Specialized speaking test simulator
- Strength: Covers A1 through C2 levels comprehensively
- Limitation: Speaking evaluator is less responsive in free version
It’s particularly beneficial for exam-takers at higher levels (B2 and above), where grammar complexity and nuanced usage become critical. Its precision in simulating tasks makes it an effective tool for long-term prep as well.
5. LingQ – For Building Vocabulary in Context
Best for DELE, JLPT, HSK
LingQ is built around the idea that understanding vocabulary in context is the best way to learn. Users gain access to a massive library of texts, podcasts, and articles in their target language with clickable words that turn into flashcards and track reading progress.
- Key Feature: Sentence-level context storage for vocabulary review
- Strength: Adaptive learning based on known vs. unknown words
- Limitation: Not a traditional mock test provider
Though more of a “reading fluency” tool than a mock test simulator, LingQ amplifies passive language exposure—a major factor in doing well on all sections of DELE, JLPT, and HSK exams, especially at intermediate and advanced levels.
6. Kanji Study – A JLPT-Killer App Focused on Writing
Best for JLPT (N5–N2)
Kanji Study is a laser-focused app designed to help learners conquer the writing and recognition challenges posed by the JLPT. With deep deconstruction of each kanji character, including stroke order, usage examples, and JLPT categorization, it offers an indispensable tool for the reading and writing sections.
- Key Feature: Personalized SRS (Spaced Repetition System)
- Strength: Comprehensive kanji breakdown for better retention
- Limitation: Best used in tandem with another app for listening and grammar
Its handwriting input recognition allows learners to trace characters and reinforce memory—especially important for comprehension and matching questions.
7. Anki with Custom Decks – Mastery Through Repetition
Best for DELE, JLPT, HSK
If you’re a fan of DIY learning or want full control over your study strategy, Anki offers immense flexibility. Thousands of pre-made decks created by fellow DELE, JLPT, and HSK learners include sample questions, vocabulary lists, and grammar templates. With a robust spaced repetition algorithm, it ensures long-term retention without fatigue.
- Key Feature: Customizable flashcard system with multi-language support
- Strength: Learner-made decks closely tailored to real exam content
- Limitation: Steep initial learning curve for app setup
Using shared decks like “JLPT N3 Grammar Patterns” or “HSK 4 Vocabulary” allows learners to synergize with community-driven resources, ensuring nothing from the syllabus is left behind.
Pro Tip: Combine Apps for Maximum Effect
No single app can cover everything. Savvy test-takers often combine tools to fully prepare for all exam sections. For instance:
- DELE: Use FluentU for listening, DELE Prep for grammar/tests, and Anki for vocab.
- JLPT: Blend Kanji Study with JLPT Official App and LingQ for reading exposure.
- HSK: Start with HSK Online for full tests, then reinforce with FluentU and Anki decks.
Conclusion: Choose Your Arsenal Wisely
There are thousands of language apps, but only a select few target the granular needs of DELE, JLPT, and HSK test-takers. From full-scale practice tests to intelligent flashcards and contextual learning platforms, these seven apps are tried-and-true choices among high scorers.
Whether you’re cramming in the final month or pacing your study over the year, the right combination of these targeted apps can elevate your confidence and drastically improve your exam results.
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