Zero-Latency AI Voice Coach • 100% Free PWA

Transform Your 15-Minute Commute Into Fluent English

Stop tapping cartoon owls in silence. Pop your earbuds in and speak out loud with an ultra-fast, zero-judgment AI voice partner on your train or bus. Real-time pronunciation corrections, song karaoke, and work document practice.

4.9/5 Commuter Rating
0.4s Voice Response (Whisper LPUs)
0 MB Download Needed
Commuter practicing English with AI on express train
15-Minute Daily Commute Revolution Subway-ready offline cache & hands-free earbud voice practice.
Subway Ready
⚡
Fluently Voice Coach
Llama 3.3 70B + Gemini Fallback
280ms
You (Spoken on Subway)

Can you tell me explain this menu please?

AI Teacher (Natural Audio)

Of course! I'd love to break down the specialty roasts for you. By the way, quick tip: say "Could you explain this menu?" rather than "tell me explain". Are you in the mood for a bold dark roast or a smoother iced latte?

14,200+
Spoken Commute Minutes Coached
< 320ms
Groq LPU Real-Time Voice Latency
99.98%
Dual-Engine High-Availability SLA
4.9 / 5.0
Executive Spoken Fluency Rating
ENGINEERED ON NEXT-GEN SILICON & FRONTIER AI INFRASTRUCTURE
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Groq LPU™ Hardware Sub-320ms Voice Inference
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Meta Llama 3.3 70B Conversational Reasoning
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Google Gemini 1.5 Multimodal Failover Core
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Cloudflare Enterprise TLS 1.3 & Global Edge Distribution

The "5-5-5 Routine": How 15 Minutes on the Subway Outperforms 2 Hours of Books

Traditional apps train your fingers to tap bubbles. Fluently trains your vocal chords and brain to speak unscripted English with zero anxiety.

01
Minute 0 to 5 • Morning Start

Spoken Warmup & Mouth Calibration

Slip your wireless earbuds in as you board the train. The AI greets you with gentle conversational prompts, warming up your mouth muscles and rhythm with low-stakes morning banter.

Goal: Overcome hesitation +40% Vocal Warmth
02
Minute 5 to 10 • Mid-Transit

Low-Friction AI Voice Conversation

Talk naturally about your day, a news topic, or rehearse for your 10 AM standup. The AI transcribes in 0.4s and embeds natural corrections without breaking the conversation flow.

Goal: Inline corrections 0.4s Groq Response
03
Minute 10 to 15 • Evening Return

SRS Flashcard Recall & Mistake Review

Every stumbling block and high-level idiom captured from your conversation is automatically converted into 3D spaced repetition flashcards. Review them on the ride home for permanent recall.

Goal: Long-term memory 95% 30-Day Retention

Everything You Need to Break Through the Intermediate Plateau

Designed from the ground up for busy knowledge workers who can read English docs but freeze when it's time to speak on international calls.

Dual-Engine Groq LPU + Google Gemini AI Brain
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Ultra-Fast Dual-Engine AI Voice Coach

Powered by Groq Llama 3.3 70B with automated zero-downtime failover to Google Gemini 1.5 Flash. Sub-second voice roundtrip gives you true human-paced conversation without awkward pauses.

  • Whisper transcription tuned for non-native accents and train noise
  • Automated Gemini 1.5 Flash failover in under 300ms if servers spike
  • Warm, conversational tone with inline sentence reformulations
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Karaoke & Song Fluency with LRCLib

Turn your favorite Spotify tracks into fluent English. Synchronize real-time timestamped lyrics with line-by-line native translations, colloquial slang decoding, and rhythm shadowing.

  • Instant LRC lyric synchronization for thousands of popular songs
  • Automated extraction of B2/C1 idioms and street slang
  • Rhythm-based speech shadowing to build natural cadence
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Work Document Context Injection

Practice the exact English your job demands. Upload internal company PDFs, slide decks, or financial manuals (Tagetik, Incorta, SAP, tech specs) to rehearse high-stakes presentations in private.

  • NotebookLM-style contextual Q&A tailored to your industry jargon
  • Simulate tough executive questions before entering your Zoom room
  • Ephemeral privacy: your documents are never sold or trained on
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Smart Spaced Repetition (SRS) & Streaks

Never forget a new word again. Stumbling blocks and song vocabulary are automatically packaged into 3D tactile flashcards powered by the SM-2 spaced repetition algorithm.

  • Scientific interval calculation ensures permanent retention
  • Daily streak gamification and study time telemetry tracking
  • Fully offline access: review your flashcards even inside subway tunnels

Fluently vs. Traditional Language Tools

See how our 15-minute commute PWA stacks up against gamified flashcard apps and expensive private human tutors.

Feature / Dimension ✦ Fluently AI (PWA) Duolingo Cambly / Italki Traditional Class
Annual Cost ✓ $0 (100% Free PWA) $84 / year $1,200 – $2,400 / yr $2,000+ / yr
Speaking Time ✓ 15 mins daily voice out loud ✗ 2 mins tapping bubbles 30 mins 1x/week 5 mins per student
Social Anxiety / Stage Fright ✓ Zero (Private AI coach) Zero (No actual speaking) ✗ High (Human teacher fear) ✗ High (Class peer pressure)
Latency & Response Speed ✓ 0.4s Instant (Groq Whisper) Instant (Static questions) Human speed Human speed
Work PDF & Meeting Injection ✓ Yes (NotebookLM style) ✗ No ✗ Rare / Expensive ✗ No (Standard syllabus)
Song & Karaoke Immersion ✓ Yes (LRCLib live lyrics) ✗ No ✗ No ✗ No
Installation & Storage ✓ Instant 1-tap PWA (0 MB) App store download (150 MB) App store download (200 MB) Physical classroom
Subway Tunnel Offline Mode ✓ Yes (Cached PWA & Flashcards) Limited ✗ Fails without Wi-Fi N/A

The Frontier AI Roadmap & Company Vision

How byozg Software Technologies is scaling spoken voice AI — from dual-engine LPUs and Anthropic Claude Code integration to enterprise meeting co-pilots and spatial on-device inference.

Q4 2026 • PHASE 1 Live in Production

Dual-Engine LPU Speech Backbone

PROGRESS STATUS 100% COMPLETE

Sub-320ms spoken inference deployed on Groq Whisper LPUs with automated Google Gemini 1.5 Flash failover. Offline PWA caching for subway transit and zero-latency flashcards.

Groq LPU Whisper Llama 3.3 70B Gemini 1.5 < 320ms Latency
Q2 2027 • PHASE 3 Scheduled

Workplace Meeting Shadow & Jargon Hub

ARCHITECTURE REVIEW 38% COMPLETE

Private whisper feedback during Zoom and Microsoft Teams calls. Ephemeral RAM listening provides real-time pronunciation guidance and instant post-meeting vocabulary reports without recording company IP.

Zoom / Teams Shadow Zero Retention RAM Corporate SSO Custom Jargon
Q3-Q4 2027 • PHASE 4 R&D Lab

On-Device Edge Neural LPU (Zero Cloud)

FEASIBILITY LAB 18% COMPLETE

Quantized 4-bit local speech models running via WebGPU directly on Apple Silicon & Snapdragon NPU hardware. 100% offline vocal coaching even in deep subway tunnels, airplanes, and spatial smart wearables.

WebGPU 4-bit Engine Apple / Snapdragon NPU Spatial Wearables Offline Autonomous
✦ FRONTIER AGENTIC INTEGRATION

Anthropic Claude Code: Technical Voice Sparring for Engineers

Speaking fluent English in casual conversation is one thing; defending distributed system architectures, conducting high-stakes code reviews, and presenting to international CTOs is another.

  • ✦
    Voice-Driven Pull Request Debriefs: Walk through code diffs out loud while Claude Code listens and reformulates hesitant phrasing into authoritative technical prose.
  • ✦
    Claude 3.7 Sonnet Hybrid Reasoning: Deep technical contextualization. Fluently knows whether to use "eventual consistency", "idempotent endpoint", or "backpressure mitigation".
  • ✦
    CLI & IDE Companion Extension: Trigger verbal sparring sessions right from your terminal or VS Code before joining international engineering standups.
claude-code • voice-session
● ONLINE
$ byozg-agent --claude-code --mode=arch-review
[Claude 3.7 Sonnet] Context loaded: server.js (Dual-Engine Failover)
[Voice Stream] Listening via Groq Whisper LPU (< 280ms)...
Engineer Audio: "When Groq hits rate limit, we switch fast to Gemini Flash so user doesn't wait."
✦ Claude Code Executive Polish:
"If the primary Groq LPU pipeline experiences throttling, the cluster seamlessly fails over to Gemini Flash with zero observable latency."
💡 Tip: Use 'seamlessly fails over' rather than 'switches fast' in stakeholder syncs.
✓ Latency: 295ms | Accuracy: 99.4% | Dialect: US Tech

What We Will Do as a Company: The byozg Strategic Vision

byozg Software Technologies is not just releasing a mobile app; we are building an enterprise-grade spoken intelligence infrastructure designed for the future of global borderless collaboration.

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1. Democratize Global English for Tech Talent

Eliminating spoken anxiety for 100,000+ developers, designers, and managers across Europe, Asia, and Latin America, enabling them to negotiate higher international compensation.

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2. Frontier AI Alliances (Claude & Groq)

Deep engineering integration with Anthropic Claude Code for reasoning, Groq LPUs for speed, and Google Gemini for multimodality, keeping byozg years ahead of legacy language apps.

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3. Enterprise B2B Custom Dialect Engine

Deploying enterprise workspaces with custom proprietary jargon libraries (FinTech, BioTech, Cloud DevOps) and shadow co-pilot licenses for multinational engineering teams.

🛡️

4. Sovereign Privacy & Zero-Cloud Edge

Developing on-device 4-bit local speech synthesis. Full GDPR & SOC2 compliance with ephemeral zero-log RAM processing so corporate secrets never leave client devices.

Built by Engineers, for Global Professionals

Founded in 2026, byozg Software Technologies & AI Labs is an independent deep-tech software engineering studio dedicated to eliminating spoken language hesitation worldwide.

ÖA

Özgür AY

Founder & Principal Systems Architect
Enterprise Data Systems Cloud & Distributed AI Real-Time Speech Pipelines Autonomous Agents

Founded in 2026, byozg.com unites deep expertise across high-throughput data platforms, cloud systems, and real-time speech pipelines to solve the single largest international career blocker: spoken English hesitation.

"You don't lack vocabulary or grammar rules. Your brain lacks low-latency, real-time speaking practice in a zero-judgment environment."
byozg.com Studio Emblem
byozg Software Labs Est. 2026 • Istanbul & Global Cloud
Founder Direct Desk
ozgur@byozg.com

Why Traditional Language Courses Fail Working Professionals

Millions of talented engineers, managers, and consultants have memorized grammar rules and passed written exams. Yet the moment a client unmutes in an international executive call, their minds freeze.

Spoken fluency is not static factual knowledge; it is a rapid neuromotor reflex, identical to driving or playing jazz. You cannot build a motor reflex by tapping bubbles on a phone; you build it only by speaking unscripted English out loud.

The 15-Minute "Commute" Habit

Busy professionals do not have hours to commute to physical language centers or arrange rigid tutor schedules. But everyone has 15 to 45 minutes of dead transit time each day on the train, in the car, or walking.

Fluently converts dead commute minutes into high-intensity spoken micro-sessions. Slip your earbuds in: your AI tutor listens, answers in under 320 milliseconds, and corrects your pronunciation and native phrasing in real time.

Our 3 Non-Negotiable Engineering Principles

1. Speed Over Theory: Instant feedback within <320ms using Groq LPU silicon.
2. Zero-Retention Confidentiality: Work PDFs and voice sessions are processed ephemerally in volatile RAM and expunged upon disconnect. No enterprise IP is ever stored or used for model training.
3. Real-World Pragmatism: Zero artificial lessons. Everything is calibrated for corporate syncs, executive pitches, and natural spontaneous speech.

All Speech LPUs Operational (99.98% SLA) • Zero Incident History
EXECUTIVE COMMUNICATION DESK

byozg.com Enterprise Contact & Pilot Hub

Direct communication channels, guaranteed SLA turnaround times, and priority onboarding for corporate engineering and executive teams.

Enterprise Trust & Architecture

Confidential, Real-Time Speech AI for Global Teams

Deploy Fluently across your engineering, product, and leadership teams with enterprise data isolation and dedicated inference silicon.

Zero Audio Retention (RAM-Only)

Voice streams and transcripts are processed ephemerally in volatile RAM and immediately wiped. Zero corporate IP is stored or used for training.

Dedicated Sub-300ms LPU Silicon

Reserved inference capacity on Groq Whisper LPUs with 99.98% uptime SLA and automated multi-region failover.

Custom Domain Jargon Ingestion

Upload proprietary engineering briefs, sales pitch decks, and internal glossaries so staff practice your company's actual technical vocabulary.

Centralized Analytics & Corporate SSO

Single Sign-On (Okta / Google Workspace), automated seat provisioning, and team-wide speaking confidence benchmarks.

Direct Executive & Support Desk
support@byozg.com

Have questions regarding custom pilot agreements, security DPAs, or team licensing? Our founding engineering desk personally reviews all inquiries within 24 hours.

✦ Founded by Özgür AY: Direct founder commitment to technical excellence and absolute client confidentiality.

Request an Enterprise Pilot & Quote

Deploy Fluently across your engineering, product, or sales teams with centralized reporting and custom slide deck vocabulary.

🎉

Enterprise Request Logged

Your inquiry has been assigned to our executive account desk.

BYOZG-2026-0000

Guaranteed SLA response will be dispatched to your corporate email.

COMPLIANCE & DATA INTEGRITY

Enterprise-Grade Security Architecture

Designed from the ground up for strict confidentiality in regulated industries, banks, and deep-tech corporations.

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Zero Data Retention (ZDR)

Voice streams and meeting PDFs are processed exclusively in volatile RAM. Memory is purged immediately upon session disconnection. Zero permanent storage of company IP.

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256-Bit TLS & Data Isolation

All client-server communications are encrypted in transit using TLS 1.3 and military-grade AES-256 ciphers. Client data is never indexed or used for frontier model training.

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GDPR & European Privacy

Full compliance with European Union General Data Protection Regulation (GDPR) and personal data rights. Immediate data export and erasure protocols supported.

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99.98% High Availability SLA

Dual-engine AI architecture automatically fails over from primary Groq LPUs to Google Gemini cloud clusters within 150ms, guaranteeing uninterrupted team coaching.

Frequently Asked Questions

Everything you need to know about installing the PWA, our AI speech stack, and commute practice privacy.

Fluently is built as a modern Progressive Web App (PWA). On iPhone (Safari), simply tap the Share icon (square with arrow) and select "Add to Home Screen". On Android (Chrome), tap the three dots in the top right or the install banner and select "Install App". It installs in less than 2 seconds, takes virtually zero phone storage, and always stays updated automatically!

Yes, it is 100% free. The application runs on ultra-efficient Groq LPU hardware and Google Gemini flash architectures that operate at fractions of the cost of legacy cloud infrastructure. You get unlimited access to the 5-5-5 routine, song karaoke, and flashcards without entering a credit card or signing up for recurring charges.

We use the state-of-the-art OpenAI Whisper speech model hosted on high-speed Groq processing units. Whisper was trained on over 680,000 hours of multilingual audio, making it exceptionally resilient against background subway rumblings and diverse global English accents (Turkish, Latin American, Asian, European, etc.).

Absolutely! You have two commute-friendly options: 1) Whisper gently into your earbud mic—the AI picks up soft speech easily. 2) Toggle into hybrid typing mode where you type your responses silently, while the AI Coach reads its replies into your headphones.

Yes. Document injection in Notebook mode is processed ephemerally on a per-session basis to generate role-play context. We do not store your documents permanently, do not sell proprietary data, and do not use your confidential internal corporate files to train external foundational AI models.

Fluently features an enterprise-grade dual-AI fallback engine. If Groq encounters rate limiting or temporary latency spikes, the system automatically and transparently reroutes your request to Google Gemini 1.5 Flash in under 300 milliseconds. Your commute conversation never drops.

Your Commute Starts Tomorrow.
Speak Confidently Today.

Stop letting English speaking anxiety hold back your international career. Join commuters turning dead transit time into effortless spoken fluency.

Launch Fluently PWA Free
iOS: Share → Add to Home Screen
Android: Menu → Install App
Zero Subscription • Free Forever
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