Guide · Updated April 2026
Best study apps for language learning
Japanese, Spanish, or any target language: the right study app depends on whether you need sentence mining, native audio, AI card creation, or a free tier with real SRS scheduling. This guide compares 7 apps with per-app verdicts, real pricing, and honest trade-offs.
Quick picks
Best overall
Deckbase →AI card creation from any content, native FSRS, audio support, and free mobile tier.
Best free desktop
Anki →Free on desktop/Android, FSRS, 30k+ community decks including Core 6000 and JLPT.
Best for native audio/video
Memrise →Real native speaker videos, official courses, and immersive content for 20+ languages.
Best sentence-based learning
Clozemaster →Massive sentence library with cloze deletion in context; free and gamified.
Best AI-adaptive course
Lingvist →AI adjusts to your level in real time; strong for European languages.
All 7 apps compared
Quick-reference table — jump to any app's section below for pros, cons, and a verdict.
Deckbase
- AI cards
- Built-in
- FSRS
- Yes
- Audio
- Yes
- Free tier
- Free · $5.99/mo
- Paid from
- iOS, Android, Web
- Platforms
Anki
- AI cards
- Via add-ons
- FSRS
- Yes (v23+)
- Audio
- Yes (add-ons)
- Free tier
- Free · $24.99 iOS
- Paid from
- Win, Mac, Linux, Android, iOS
- Platforms
Memrise
- AI cards
- No
- FSRS
- No
- Audio
- Yes (native)
- Free tier
- Free · $8.49/mo
- Paid from
- iOS, Android, Web
- Platforms
Clozemaster
- AI cards
- No
- FSRS
- Yes (SRS)
- Audio
- Yes (TTS)
- Free tier
- Free · $8/mo
- Paid from
- iOS, Android, Web
- Platforms
Drops
- AI cards
- No
- FSRS
- No
- Audio
- Yes (native)
- Free tier
- Free · $9.99/mo
- Paid from
- iOS, Android
- Platforms
Quizlet
- AI cards
- Limited (paid)
- FSRS
- No
- Audio
- Limited
- Free tier
- Free · ~$7.99/mo
- Paid from
- iOS, Android, Web
- Platforms
Lingvist
- AI cards
- No
- FSRS
- Yes (adaptive)
- Audio
- Yes (native)
- Free tier
- Free · $9.99/mo
- Paid from
- iOS, Android, Web
- Platforms
1. Deckbase — best overall for AI + FSRS language study
Pricing:: Free tier · Pro from $5.99/mo · no separate iOS app purchase.
Pros
- AI generates cards from files, chat, or pasted text in your target language
- Native FSRS scheduling adapts to your personal forgetting curve
- Audio support for pronunciation and listening recall cards
- Anki .apkg import for migrating language decks seamlessly
- Free on iOS and Android without a separate app purchase
Cons
- Newer product — smaller community deck library than Anki
- AI output needs review for nuanced grammar and context
- Full AI features require paid plan
Verdict:: The strongest choice for learners who want to build decks from real immersion material (books, articles, show transcripts) and study consistently with FSRS. The free tier is genuinely usable; upgrade when you need more AI credits.
2. Anki — best for power users, community decks, and free desktop use
Pricing:: Desktop (Windows/Mac/Linux) free · AnkiDroid (Android) free · AnkiMobile (iOS) $24.99 one-time.
Pros
- Completely free on desktop and Android — zero ongoing cost
- 30,000+ shared community decks including Core 6000, JLPT, HSK, and more
- Vast add-on ecosystem including audio auto-play and pitch accent tools
- FSRS added in v23.10 — best-in-class scheduler for long-term retention
- True offline-first; no account required to start reviewing
Cons
- AnkiMobile costs $24.99 as a separate iOS purchase
- Steep learning curve; initial setup takes significant time
- UI is dated; mobile experience lags modern apps
- AI card creation requires third-party add-ons — not built-in
Verdict:: Still the gold standard for power users who invest setup time. Unbeatable for community decks, add-ons, and free desktop+Android use. The $24.99 iOS cost and dated UX push mobile-first learners toward alternatives.
3. Memrise — best for native speaker audio and video immersion
Pricing:: Free (limited) · Pro $8.49/mo. iOS, Android, Web.
Pros
- Real native speaker videos for 20+ languages — excellent for ear training
- Official courses with structured progression and grammar explanations
- Speech recognition for pronunciation practice on mobile
- Gamified experience that keeps beginners engaged
Cons
- No FSRS or SM-2 scheduling — uses proprietary interval system
- Limited control over card creation and scheduling parameters
- Free tier is restrictive; most useful features require Pro
- Not designed for sentence mining from your own immersion content
Verdict:: Excellent for beginners who need structured courses with native audio and video. For advanced learners doing sentence mining or needing FSRS scheduling, Deckbase or Anki are stronger choices. See Deckbase vs Memrise for a full comparison.
4. Clozemaster — best sentence-based learning in context
Pricing:: Free · Pro $8/mo. iOS, Android, Web.
Pros
- Massive sentence library with cloze deletion in real context
- Covers 50+ languages including less common ones
- Built-in SRS scheduling (not FSRS, but functional)
- Text-to-speech audio for most languages
- Gamified progression that motivates daily use
Cons
- No AI card generation from your own content
- Sentences are crowd-sourced — quality varies by language
- UI is functional but not polished
- Limited deck customization and card editing
Verdict:: A strong free option for learners who want sentence-level practice with context clues. Best used alongside a dedicated flashcard app for vocabulary you mine from your own immersion material.
5. Drops — best visual vocabulary builder
Pricing:: Free (5 min/day) · Premium $9.99/mo. iOS, Android.
Pros
- Beautiful visual associations make vocabulary sticky
- 50+ languages including rare and constructed languages
- 5-minute sessions are perfect for habit building
- No typing required — tap and swipe interface
Cons
- No FSRS or meaningful spaced repetition scheduling
- Free tier limited to 5 minutes per day
- No sentence context — isolated words only
- Not suitable for grammar or advanced fluency goals
Verdict:: Best for beginners who want a low-friction way to build foundational vocabulary through visuals. Use Drops for your first 500–1,000 words, then transition to a flashcard app with SRS for long-term retention.
6. Quizlet — best for simple sets and classroom sharing
Pricing:: Free (limited) · Plus ~$7.99/mo. AI features require paid plan.
Pros
- Enormous library — 500M+ user-created study sets
- Zero setup; share and access sets instantly
- Familiar interface; very low learning curve for new users
- Good for collaborative classroom environments
Cons
- No FSRS or SM-2 — study modes are cram-oriented, not retention-optimized
- AI card generation locked behind paid tier
- Not designed for long-term retention over months
- Free tier has become increasingly restricted
Verdict:: Great for quick set creation and classroom use. The lack of a proper spaced repetition scheduler is a hard limit for anyone targeting serious long-term retention. See best Quizlet alternatives if you need to switch.
7. Lingvist — best AI-adaptive vocabulary course
Pricing:: Free (limited) · Premium $9.99/mo. iOS, Android, Web.
Pros
- AI adapts to your level in real time — skips words you know, drills weak areas
- Strong for European languages (Spanish, French, German, Russian)
- Clean, distraction-free interface optimized for mobile
- Includes grammar tips and real-life context sentences
Cons
- Limited language selection — primarily European languages
- No custom card creation from your own content
- Adaptive algorithm is opaque — you cannot tweak scheduling
- Free tier is very limited in daily card count
Verdict:: A strong choice for learners who want a guided, adaptive experience without setup friction. Best for building vocabulary in European languages. For sentence mining from your own immersion content or FSRS scheduling, use Deckbase or Anki instead.
Best free study apps for language learning
Every app listed here has a free tier, but "free" means different things across products. Here is what you actually get at zero cost — and where each free plan hits a wall.
Anki
- Free tier includes
- Desktop + Android fully free, FSRS, 30k+ community decks
- Where free ends
- iOS app costs $24.99 one-time
- Best free use case
- Power users on desktop/Android
Deckbase
- Free tier includes
- FSRS review, deck creation, limited AI credits
- Where free ends
- Higher-volume AI generation requires Pro
- Best free use case
- Mobile FSRS review + light AI creation
Clozemaster
- Free tier includes
- Full sentence library, SRS scheduling, TTS audio
- Where free ends
- Some features and offline mode in Pro
- Best free use case
- Sentence-based practice in 50+ languages
Drops
- Free tier includes
- 5 minutes/day of visual vocabulary learning
- Where free ends
- Unlimited time requires Premium
- Best free use case
- Habit building with visual associations
Quizlet
- Free tier includes
- Access to public sets, basic study modes
- Where free ends
- AI features, set limits, ads on free
- Best free use case
- Quick classroom set access
Memrise
- Free tier includes
- Limited official courses and features
- Where free ends
- Full courses and native videos in Pro
- Best free use case
- Beginner courses with native audio
Bottom line:: Anki gives the most functionality for free if you study on desktop or Android. Deckbase is the best free option if you want FSRS on mobile without a separate app purchase. Clozemaster is the best free sentence-based tool.
Best study app by language and goal
There is no universal winner. The right app depends on your target language, current level, and whether you are using immersion content or structured courses.
Japanese (kanji + grammar)
- Key requirement
- Character writing + sentence mining
- Best pick
- Anki (community decks) or Deckbase (AI from native content)
Spanish vocabulary
- Key requirement
- Fast acquisition + audio
- Best pick
- Deckbase or Memrise
Beginner start (any language)
- Key requirement
- Low friction + motivation
- Best pick
- Drops or Quizlet
Advanced maintenance
- Key requirement
- SRS efficiency + large deck
- Best pick
- Anki or Deckbase
Exam prep (JLPT, DELE, HSK)
- Key requirement
- Structured syllabus coverage
- Best pick
- Anki (shared decks) or Lingvist
Travel phrases
- Key requirement
- Quick visual memorization
- Best pick
- Drops or Memrise
Sentence mining from immersion
- Key requirement
- Context-rich cards from real content
- Best pick
- Deckbase or Clozemaster
Pricing at a glance
For most language learners, the free tier experience matters more than headline features. Verify whether the free tier supports your real daily review volume before building your full deck.
Free-tier depth
- What to verify
- Can you run real daily review, or only test the UI?
- Why it matters
- If free limits are too shallow, migration risk rises later.
Upgrade trigger
- What to verify
- At what card volume or AI usage do paid limits begin?
- Why it matters
- Predict total cost before moving your full library.
Annual vs monthly
- What to verify
- How much discount is real after lock-in?
- Why it matters
- Avoid overpaying for features you won't use daily.
Platform fit: iPhone, Android, and web
Most users miss review sessions due to mobile UX friction, not poor scheduling theory. Confirm platform parity before committing to any app.
Web
- What to test
- Is deck editing fast enough for large batches?
- Why it matters
- If web editing is slow, your creation pipeline breaks.
iPhone
- What to test
- Can you finish daily review queues without friction?
- Why it matters
- Most session drops happen on mobile, not desktop.
Android
- What to test
- Parity with iOS/web on sync and review controls
- Why it matters
- Platform gaps create hidden retention drops.
Offline mode
- What to test
- Can review run offline and sync later?
- Why it matters
- Important for commuting and low-connectivity study.
30-day evaluation scorecard
To validate your choice, run a 30-day trial with one target language topic and track these metrics weekly. Keep the app that improves consistency and recall, not only setup speed.
Daily completion rate
- Healthy signal
- ≥80% planned days
- Why it matters
- Whether your routine is sustainable
New word retention (7-day)
- Healthy signal
- ≥75% on first review
- Why it matters
- How well cards support short-term recall
Mature card retention
- Healthy signal
- ≥85% over 2+ weeks
- Why it matters
- Long-term vocabulary durability
Session time per 100 reviews
- Healthy signal
- Under 15 minutes
- Why it matters
- Efficiency of card design + app UX
If completion drops or session time spikes, improve card quality first. Many performance problems come from weak card design rather than the app itself.
Test Deckbase with one language topic
Start free on web, run a 30-day trial with one vocabulary deck, then scale only if your retention metrics improve.
Frequently asked questions
Written and maintained by the Deckbase editorial team. Pricing and features verified from official product documentation as of April 2026. We update this page when pricing or features change materially. For corrections, contact Contact us. Deckbase is listed in this comparison because it is our product — all competitor information is sourced from public documentation.