Best Language Learning Apps for Japanese, Korean, Indonesian and Ukrainian
Language learning apps have transformed how Australians learn languages โ putting a full study system in your pocket, available any time, anywhere. The best apps use spaced repetition science, native speaker audio, gamification and intelligent sequencing to make vocabulary and grammar acquisition measurably faster than traditional methods alone. This guide covers the best apps for each purpose and each language, with honest assessments of what works and what does not.
Spaced Repetition: The Science Behind the Best Apps
The most important concept in language learning app design is spaced repetition โ reviewing vocabulary and grammar at scientifically optimised intervals based on how well you know each item. Your brain forgets information on a predictable curve, and spaced repetition schedules reviews just as you are about to forget, dramatically improving long-term retention. Apps that use SRS include Anki, WaniKani, Clozemaster and iKnow! โ and learners who use them consistently retain vocabulary at rates two to three times higher than those using traditional study methods.
The Essential Apps by Category
๐ฑ Anki โ The Gold Standard (Free)
Anki is the most powerful language learning tool available in app form โ a customisable spaced repetition flashcard system used by serious learners of every language worldwide. Download pre-made decks for JLPT vocabulary, TOPIK vocabulary, Indonesian frequency word lists, or Ukrainian core vocabulary, or build your own decks from words you encounter in your study. Available on desktop (free), Android (free via AnkiDroid) and iOS (AnkiMobile, small one-time purchase). The steep initial learning curve is worth every minute โ Anki users consistently outperform those using any other vocabulary study method over the long term.
๐ฑ Duolingo (Free / Plus subscription)
Duolingo offers courses for Japanese, Korean and Ukrainian โ all three are solid beginner introductions with gamified lessons, audio from native speakers and a well-structured curriculum covering the basics. Duolingo Indonesian is not currently available but Korean, Japanese and Ukrainian courses are among the better offerings on the platform. Duolingo works best as a daily habit-builder and beginner introduction rather than a complete learning system. Use it alongside a textbook or structured course for best results.
๐ฑ WaniKani โ Japanese Kanji (Subscription)
WaniKani is purpose-built for Japanese kanji learning, using spaced repetition and memorable mnemonics to teach 2,000+ kanji and 6,000+ vocabulary words. It is widely considered the most effective systematic kanji learning tool available โ many learners who struggled with kanji for years credit WaniKani as the breakthrough resource. Approximately USD $9/month or USD $300 lifetime. Japanese learners only, but essential for that audience.
๐ฑ Pimsleur (Subscription)
Pimsleur offers audio-based courses for Japanese, Korean and Indonesian โ perfect for commuters and learners with limited screen time. The spaced repetition audio format builds spoken language and pronunciation from day one without requiring reading or writing. More expensive than most alternatives but fills a genuinely unique niche for audio-first learners. Japanese, Korean and Indonesian courses are all well-produced with high-quality native speaker audio.
๐ฑ Drops (Free / Premium)
Drops offers visually beautiful vocabulary building across all four languages โ Japanese, Korean, Indonesian and Ukrainian are all available. Five-minute sessions using image associations and quick swipe interactions make it ideal as a brief daily supplement. Not a complete learning solution, but excellent for building thematic vocabulary quickly and maintaining daily engagement with the language.
๐ฑ Lingodeer (Free / Premium)
Lingodeer is a structured learning app for East Asian languages frequently recommended as a superior alternative to Duolingo for Japanese and Korean specifically. It covers grammar more thoroughly, provides better explanations and has a more carefully sequenced curriculum. Highly regarded in the Japanese and Korean learning communities as the best app-based structured course for beginners in those languages.
๐ฑ Babbel (Subscription)
Babbel offers an Indonesian course that is considered one of the better app-based options specifically for that language โ more substantive than competing apps, with good grammar explanations and practical conversational focus. Speech recognition for pronunciation practice is included. A solid choice for Indonesian beginners who want app-based structured learning.
๐ฑ Clozemaster (Free / Pro)
Clozemaster provides vocabulary practice in sentence context using fill-in-the-blank exercises drawn from real language corpora. Available for Japanese, Korean and Ukrainian. Excellent for intermediate learners who have moved beyond basic flashcard study and want to encounter vocabulary in natural, meaningful contexts. The free tier is generous and covers core vocabulary across all supported languages.
Apps for Speaking Practice
No app replaces genuine conversation with native speakers, but several facilitate language exchange that provides speaking and listening practice. HelloTalk connects you with native speakers of your target language who are learning your language โ text, voice and video exchange for mutual practice. Large Japanese, Korean and Indonesian user bases make finding partners straightforward. Tandem works similarly with a more curated matching system. Both apps are free with optional premium features and are available across iOS and Android.
Building Your App Stack
The most effective approach combines apps purposefully rather than using one app alone. A recommended stack: Anki for core vocabulary retention (daily, 15โ20 minutes), your language-specific SRS tool (WaniKani for Japanese kanji, Clozemaster for intermediate vocabulary), Duolingo or Lingodeer for structured grammar introduction (beginners), and HelloTalk or Tandem for speaking practice (intermediate and above). Resist the temptation to use too many apps simultaneously โ depth with a small, well-chosen set consistently outperforms breadth across many apps used occasionally.
Tips for Staying Consistent with Language Apps
The biggest challenge with language apps is not finding the right one โ it is using any of them consistently enough to see results. The learners who make genuine progress with apps are those who build them into existing daily habits rather than treating them as optional extras. The most effective approach is habit stacking โ attaching your Anki review session to an existing habit you already do every day without fail. Review Anki while your morning coffee brews. Run through Duolingo on your lunchbreak. Do Clozemaster on the train home. These micro-sessions compound dramatically over weeks and months. A daily 20-minute Anki habit maintained for a year produces more vocabulary retention than a sporadic two-hour session once a week. Consistency, not intensity, is what app-based language learning rewards most reliably. Set your daily review goal conservatively โ 10 new cards and 20 reviews daily is sustainable. 50 new cards feels heroic for a week and then collapses entirely. Build the habit first, then gradually increase the load as the habit becomes automatic.
Apps Specifically Useful for Australian Learners
Several apps and features are particularly useful given the Australian context. For Japanese learners in cities with Japanese communities โ particularly Sydney and Melbourne โ the Meetup app surfaces Japanese language exchange events where app-learned vocabulary gets tested in real conversation. For Korean learners, Weverse (์๋ฒ์ค) is the official K-pop fan community platform where Korean is used extensively by fans communicating with artists and each other โ the social motivation of K-pop fandom makes Weverse an unusually engaging incidental vocabulary source. For Indonesian learners, Gojek (Indonesia's super-app) is worth downloading before a Bali trip โ navigating it in Indonesian is both practical and excellent reading practice. For Ukrainian learners, the Duolingo Ukrainian course specifically includes Ukrainian cultural content reflecting contemporary Ukraine โ more culturally resonant than many other language courses on the platform given the community involvement in its creation. Apps that connect to your specific interests and motivations will always outperform technically superior apps that feel like a chore.