For Travellers, Career Changers, Heritage Speakers & Lifelong Learners

12 Languages.
One Subscription.

Spanish, French, German, Italian, Portuguese, Russian, Arabic, Mandarin, Japanese, Korean, Hindi, Turkish — all four CEFR skills graded by AI on the AVIAN adaptive engine. Coming Summer 2026.

$19/mo

All 12 languages. One subscription. Pricing finalized at launch.

Notify Me at Launch

What Makes AccelaStudy® AI Languages Different

Twelve languages, all four CEFR skills, one adaptive engine that learns what you already know and skips it.

All Four CEFR Skills, Graded

Listening, reading, writing, and speaking — each scored against the official CEFR rubrics (A1 through C1 at launch, C2 in Phase 2). No competitor grades all four. Most don’t even attempt writing or speaking.

One Subscription, All 12 Languages

$19/mo unlocks Spanish, French, German, Italian, Portuguese, Russian, Arabic, Mandarin, Japanese, Korean, Hindi, and Turkish. Switch between them anytime — your adaptive profile carries vocabulary and grammar mastery across language families.

Cross-Language Knowledge Transfer

Mastered Spanish preterite? When you start Italian, the engine credits you for the related concepts (passato remoto, periphrastic past) automatically. Romance, Germanic, Slavic, and Indic families each transfer ~30–60% of their core grammar.

AI Speaking Scoring with Tone & Pitch

Per-language phoneme alignment, tone evaluation for Mandarin, pitch-accent for Japanese, vowel-harmony for Turkish, stress placement for Russian. Real pronunciation feedback, not just “repeat after me.”

Authentic Listening Passages

Synthesized native-speaker audio across multiple voices and regional variants — LatAm vs Iberian Spanish, Brazilian vs European Portuguese, PRC vs Taiwanese Mandarin. Adaptive difficulty by CEFR level.

CEFR Readiness Prediction

Predicted band/level per language with confidence intervals. Know exactly when you’re ready for the DELE, DELF, Goethe-Zertifikat, JLPT, HSK, TOPIK, or whichever exam you’re targeting before you pay the fee.

How It Works

Six Principles That Make Adaptive Learning Actually Work

No streak gamification. No same-content-for-everyone curriculum. Just an engine that knows where you are.

Your Knowledge, Mapped

The engine builds a real-time map of what you know at the concept level — vocabulary, conjugations, cases, tones, scripts, sociolinguistic register. Not chapters. Not modules. Individual concepts.

The Right Activity at the Right Time

Every question is chosen to teach you the most in the least time. Conjugation drill, sentence reordering, listening dictation, oral role-play — matched to your gaps.

Root-Cause Diagnosis

Wrong answer on a German dative case? The engine traces it to the prerequisite you're actually missing — not just “review cases.”

Autopilot Study Planning

Set your target CEFR level and daily time. The system builds your plan, adapts when life gets in the way, and tells you when you're ready for a real exam.

Cross-Language Knowledge Transfer

Pass Spanish A2? Start Italian A2 with credit for the ~60% of concepts that transfer. Romance, Germanic, Slavic, and Indic families each share substantial structure.

Every Practice Test Is Unique

Practice exams are dynamically composed across the full CEFR rubric. You never see the same test twice. No memorization, just real reasoning practice.

Pricing

One Subscription. Twelve Languages.

Cheaper than Duolingo Family Plan, includes all CEFR skills Duolingo doesn’t even attempt.

Monthly

$19/mo

Pay as you go. Pause or cancel anytime in one click.

All 12 languages — Spanish, French, German, Italian, Portuguese, Russian, Arabic, Mandarin, Japanese, Korean, Hindi, Turkish
All four CEFR skills graded by AI (listening, reading, writing, speaking)
Per-language pronunciation scoring with tones (Mandarin), pitch-accent (Japanese), vowel harmony (Turkish), stress (Russian)
Native-speaker TTS in regional variants — LatAm vs. Iberian, BR vs. PT, PRC vs. Taiwan
Cross-language knowledge transfer (Spanish → Italian, German → Russian cases, Mandarin Hanzi → Japanese Kanji)
CEFR readiness prediction for DELE, DELF, Goethe-Zertifikat, CILS, JLPT, HSK, TOPIK, and more
Cultural notes module covering register, formality, taboos, and regional variation
Autopilot adaptive study planning
Cancel anytime

SAVE 22%

Annual

$15/mo

$179 billed annually — save $49 vs. monthly

Everything in Monthly
22% off the monthly price
Lock your rate for a full year of language study
One billing cycle — no surprise charges

Languages Covered

12 Languages at Launch · 5 Writing Systems

Every CEFR level A1 through C1 at launch. C2 mastery in Phase 2.

Spanish

FSI Class I

Español

Variant: LatAm neutral (Iberian variant in Phase 2)
Script: Latin
Reach: 500M speakers

French

FSI Class I

Français

Variant: Metropolitan
Script: Latin
Reach: 300M speakers

German

FSI Class II

Deutsch

Variant: Standard (Hochdeutsch)
Script: Latin
Reach: 135M speakers

Italian

FSI Class I

Italiano

Variant: Standard
Script: Latin
Reach: 85M speakers

Portuguese

FSI Class I

Português

Variant: Brazilian (European variant in Phase 2)
Script: Latin
Reach: 265M speakers

Russian

FSI Class III

Русский

Variant: Standard
Script: Cyrillic
Reach: 260M speakers

Arabic

FSI Class IV

العربية

Variant: Modern Standard (MSA)
Script: Arabic (RTL)
Reach: 370M speakers

Mandarin

FSI Class IV

中文

Variant: Simplified, PRC variant
Script: Hanzi (CJK)
Reach: 1.1B speakers

Japanese

FSI Class IV

日本語

Variant: Standard
Script: Kanji + Hiragana + Katakana
Reach: 125M speakers

Korean

FSI Class IV

한국어

Variant: Standard (Seoul)
Script: Hangul
Reach: 80M speakers

Hindi

FSI Class III

हिन्दी

Variant: Standard
Script: Devanagari
Reach: 600M speakers

Turkish

FSI Class III

Türkçe

Variant: Standard (Istanbul)
Script: Latin (modified)
Reach: 85M speakers

Phase 2 adds Dutch, Polish, Greek, Vietnamese, Thai, Indonesian, Hebrew, and Tagalog — included in the same $19/mo subscription at no extra cost.

How AccelaStudy® AI Languages Compares

Every other major language app charges per language. We charge once for the whole catalog — and ship features Duolingo and Babbel don’t even attempt.

Feature	AccelaStudy® AI Languages	Duolingo Super	Babbel	Pimsleur	Rosetta Stone
Price	$19/mo for ALL 12 languages	$14/mo each	$13/mo each	$20/mo each	$14/mo each
Adaptive at concept level	Yes	No	No	No	No
AI writing scoring (CEFR rubric)	Yes — point by point	No	No	No	No
AI speaking scoring with tone & pitch	Yes	Repeat-after-me only	Repeat-after-me only	Repeat-after-me only	Limited
Cross-language knowledge transfer	Yes	No	No	No	No
Cultural notes module	Yes	No	Limited	No	No
CEFR readiness prediction	Yes — per real exam	No	No	No	No
Multi-script support (Hanzi, Hangul, Devanagari, Arabic, Cyrillic)	Yes	Limited	Limited	n/a (audio only)	Limited
Cancel anytime	Yes	Yes	Yes	Yes	Yes

Duolingo, Babbel, Pimsleur, and Rosetta Stone are trademarks of their respective owners; mentioned here for comparison purposes.

Common Questions

When can I sign up?

We’re targeting Summer 2026 for general availability. Drop your email below and we’ll let you know the moment subscriptions open.

Does $19/mo really unlock all 12 languages?

Yes. One subscription, all of them. No per-language fees, no “premium” tier upsell, no surprise charges. Switch between languages anytime.

How is this different from Duolingo or Babbel?

Duolingo and Babbel charge per language ($13–$14/mo each) and don’t grade writing or speaking. We grade all four CEFR skills with AI rubrics, transfer knowledge across language families (Spanish → Italian, etc.), and charge once for the entire catalog.

How accurate is the speaking scoring?

Per-language phoneme alignment + tone evaluation for Mandarin, pitch-accent for Japanese, vowel-harmony for Turkish, stress for Russian. Each language uses native-speaker reference distributions calibrated against CEFR speaking descriptors. Calibration data published alongside the product.

Will it prepare me for a real exam like DELE or JLPT?

Yes. AccelaStudy AI Languages includes CEFR readiness prediction for the major exams — DELE (Spanish), DELF/DALF (French), Goethe-Zertifikat (German), CILS (Italian), CELPE-Bras (Portuguese), TORFL (Russian), HSK (Mandarin), JLPT (Japanese), TOPIK (Korean), and others. The engine tells you when your projected pass probability hits 90%.

Which Spanish/Portuguese/Mandarin variant ships at launch?

Spanish: Latin American neutral (Iberian in Phase 2). Portuguese: Brazilian (European in Phase 2). Mandarin: Simplified PRC (Traditional Taiwanese in Phase 2). Arabic: Modern Standard (MSA only at launch; Egyptian, Levantine, Gulf, and Maghrebi dialects in Phase 2).

Are there free courses?

Free courses on AccelaStudy AI are at accelastudy.ai — programming, DevOps, computer science, data science, plus other academic subjects. World-language courses are paid; the AI-graded speaking, writing, and tone evaluation are compute-intensive.

Does the subscription cover phase-2 languages too?

Yes. When Dutch, Polish, Greek, Vietnamese, Thai, Indonesian, Hebrew, and Tagalog ship in Phase 2 (Q1 2027), they’re automatically included for active subscribers at no extra cost.

Coming Summer 2026.

Twelve languages, all four CEFR skills, one subscription. Adaptive intelligence that no language app has shipped before.

Notify Me at Launch

12 Languages.One Subscription.

What Makes AccelaStudy® AI Languages Different

All Four CEFR Skills, Graded

One Subscription, All 12 Languages

Cross-Language Knowledge Transfer

AI Speaking Scoring with Tone & Pitch

Authentic Listening Passages

CEFR Readiness Prediction

Six Principles That Make Adaptive Learning Actually Work

Your Knowledge, Mapped

The Right Activity at the Right Time

Root-Cause Diagnosis

Autopilot Study Planning

Cross-Language Knowledge Transfer

Every Practice Test Is Unique

One Subscription. Twelve Languages.

Monthly

Annual

12 Languages at Launch · 5 Writing Systems

Spanish

French

German

Italian

Portuguese

Russian

Arabic

Mandarin

Japanese

Korean

Hindi

Turkish

How AccelaStudy® AI Languages Compares

Common Questions

Be First In When We Launch

Coming Summer 2026.

Trademark Notice

12 Languages.
One Subscription.