Learn Languages The Real Way.
The complete language system with a personal AI coach, CEFR standard academic tracks, and authentic everyday conversation — over 5,500 lessons with pristine neural audio. From A1.1 to C2.2.
An Intelligent Ecosystem. Zero Gaps. Zero Compromises.
Most apps repeat disconnected robotic phrases. Dualex gives you a private AI tutor, an accredited CEFR academic track, authentic street slang, and an interactive practice hub — all in one unified subscription.
Arabic Dual Track
A global first: Full Standard Vocalized Fusha + Educated Spoken Arabic for everyday life. 480 lessons solving the dialect vs formal Arabic divide with 0 slang bleed.
Adaptive AI Coach
Real-time conversational roleplay that adapts to your proficiency. Detects register (Standard vs Slang), corrects grammar mistakes instantly, and speaks with natural neural audio.
Standard Track (CEFR)
Curriculum structured from A1.1 to C2.2. Master complex grammar, professional vocabulary, and listening comprehension structured for real-world fluency and professional communication.
Real-Life Street Slang
Berlin Umgangssprache, everyday American colloquialisms, and Mexican expressions. The spontaneous language native speakers use at cafes, work, and with friends.
Comprehensive Practice Hub
5 homework exercise formats, timed level self-assessments, printable A4 reference memos, and a personalized error library targeting your weak points.
SM-2 Spaced Repetition
Cognitive science algorithm predicts your exact forgetting curve and schedules flashcard reviews right at the optimal neural retention threshold.
Neural Studio HD Voices
High-fidelity neural text-to-speech across all target accents and native languages. Authentic intonation, adjustable playback speeds, and crystal-clear pronunciation.
Direct Comparison: Dualex vs Traditional Language Apps
See why learners switch from gamified drills to Dualex for genuine communicative competence.
| Feature / Service | Dualex 🚀 | Traditional Apps (e.g. Duolingo) |
|---|---|---|
| Adaptive AI Coach & Conversational Tutor | ✓ Live conversation, instant corrections & register analysis | ✗ Missing (multiple-choice drills only) |
| Full CEFR Progression (A1.1–C2.2) | ✓ 12 verified levels structured for real-world & job readiness | ✗ Unverified, random sentences ("the duck drinks milk") |
| Authentic Street Slang Track | ✓ Dedicated track for Berlin, American & Mexican street language | ✗ None (sterile textbook language only) |
| Practice Hub, Timed Assessments & A4 Memos | ✓ Timed assessments, printable study memos & smart error tracker | ✗ Not available |
| Standard Arabic (MSA) Foundation | ✓ 100% human-verified Modern Standard Arabic | ✗ Low-grade machine translations |
Four Proven Steps to Real Fluency
From day one to spontaneous, confident conversations in everyday life and professional settings.
Set Your Goal & Level
Pick your target and native language. Take our adaptive placement diagnostic or jump straight to your known CEFR stage.
Learn Dual-Track
Acquire rigorous formal grammar for your career alongside authentic colloquial idioms for daily social survival.
Train with Your AI Coach
Engage in realistic interactive dialogue. Get live syntax corrections and register guidance, with native pronunciation from neural voices.
Retain, Test & Master
Lock vocabulary in long-term memory via SM-2 spaced repetition, take timed self-assessments, and download offline A4 summary memos.
Available Languages
For Arabic, English & German speakers — with full Arabic (Fusha) translation throughout.
Built for Real Learning
Every lesson pairs standard curriculum precision with real-life authenticity.
- ✓ CEFR-graded standard track (A1.1 → C2.2)
- ✓ everyday language track (S1 → S5)
- ✓ Full Arabic (Fusha) translation
- ✓ AI voice practice & feedback
- ✓ SM-2 spaced repetition
- ✓ Progress tracking & streaks
The Real World Reality Check
Why traditional apps fail when real life hits — and how Dualex pairs academic grammar with street fluency across 4 native coaches.
- The real-world test: why textbook memorization fails
- Dual tracks: standard academic mastery + authentic street fluency
- Over 5,520 interactive lessons across 15 language pairs
- Adaptive 24/7 AI coach guiding your grammar, phrasing and fluency
Real People, Real Progress
Learner feedback on the dual-track method and the adaptive AI coach.
"Dualex is the only platform that cracked the Arabic diglossia dilemma. I study standard vocalized Fusha for reading literature while simultaneously training on natural spoken communication without any slang bleed. The parallel tracks gave me real confidence."
"The AI Coach feels like a patient 1-on-1 private tutor available 24/7. When I make a mistake, it immediately points out whether my phrase is overly academic or natural conversational slang, complete with instant contextual quick reply chips!"
"I studied German for 3 years at university but froze during casual banter with locals. Dualex's everyday slang track changed everything — now I genuinely understand workplace jokes, idioms, and what people chat about at the Späti."
"Finally an app that teaches authentic Mexican Spanish instead of archaic European textbook phrases. The conversational track reflects how my partner's family actually speaks, and spaced repetition keeps idioms fresh in my head."
"Between demanding meetings, I only have 10-minute pockets. Dualex's zero-delay lesson loading, printable A4 cheat-sheet memos, and SM-2 spaced repetition let me master B2 professional terminology during my daily commute."
Start Free. Upgrade When Ready.
No credit card required. All prices include VAT.
- 10 standard lessons
- 5 everyday language lessons
- 1 AI Coach session per day
- Basic progress tracking
- All 240 standard lessons (A1→C2)
- All 100 everyday language lessons (S1→S5)
- Unlimited daily reviews
- All practice assessments
- Full TTS voice selection
- No ads
- AI Everyday Mentor (voice everyday language bot)
- Unlimited TTS
- Priority support
- Early access to new features
- Custom study plans
- Everything in Pro Max
- Up to 5 family members
- Shared progress dashboard
- AI Everyday Mentor for everyone
- Priority support
| Feature | Free | Pro | Pro Max | Family |
|---|---|---|---|---|
| Standard Lessons | 10 free | All 240 | All 240 | All 240 |
| Everyday Language Lessons | 5 free | All 100 | All 100 | All 100 |
| Daily Reviews | Limited | Unlimited | Unlimited | Unlimited |
| Practice Assessments | — | ✓ | ✓ | ✓ |
| Full TTS Voices | — | ✓ | ✓ | ✓ |
| AI Everyday Mentor | — | — | ✓ | Pro Max only |
| Family Sharing (5 members) | — | — | — | ✓ |
| Priority Support | — | — | ✓ | Pro Max only |
All prices include VAT. USt-IdNr.: DE369274051 · Subscriptions managed via Google Play / Apple StoreKit · Cancel anytime.
Common Questions
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