Built for professionals & students who already use English daily

Stop practicing English. Start fixing yours.

FixLang is live for professionals and students. You see the workspace, roadmap, and anonymized corrections before subscribing so trust stays real.

Start with FixLangSee How FixLoop Works

Live product tours

See the workspace and roadmap before subscribing.

Sample reports

Review anonymized corrections that show how we explain mistakes.

Human onboarding

Set goals with the FixLang team to align the Error Bank to your workflow.

FixLang app interface showing recurring error detection, Error Bank entries, and personalized practice cards

Category

The Error-Driven Fluency System

FixLang is not a course and not a chatbot. It captures your real errors, builds your personal Error Bank, and trains only what you repeatedly get wrong.

Learn from real usagePersonal Error Bank memoryContextual practiceProgress you can measure

Two paths, same level of trust

FixLang personalizes the loop whether you are reporting to executives or preparing for viva exams.

Choose the persona that mirrors your current goal to preview the experience.

Working Professionals

Ship confident updates to managers, clients, and global teammates.

FixLang lives inside your workflow—Slack threads, product docs, QBR decks—and captures every repeated mistake so that leadership trusts your communication.

  • Guided reviews for stand-ups, retro summaries, and quarterly notes
  • Tone presets for stakeholder-friendly writing
  • Confidence tracking for performance reviews

What you'll experience

Clarity-first reviews

We co-edit standups, retro summaries, and QBR notes with you throughout onboarding.

How we support

Fast loops

Expect async feedback and pattern summaries within two business days.

See professional flow

Why Professionals Plateau

You already use English every day. The issue is not effort. The issue is repeating the same mistakes without a system that helps them stick.

Traditional Courses + Duolingo

They build broad knowledge, but miss your real weak points at work.

  • Generic curriculum that ignores your recurring mistakes
  • Low transfer to Slack, meetings, and interview situations
  • Progress feels busy, but communication quality does not move

Grammarly + ChatGPT

They improve today's sentence, but they do not build tomorrow's fluency habits.

  • No persistent memory of your recurring error patterns
  • No personalized curriculum generated from your own history
  • Correction dependency: fix now, repeat later

FixLang closes the gap with an error memory loop that turns corrections into long-term skill.

How FixLoop Works

Capture -> Classify -> Generate -> Practice -> Improve

Looping through each step for you

How FixLang Is Different

Correction tools fix output. FixLang improves the person.

Learning ModelDuolingoGrammarlyChatGPTFixLang

Real-time correction

Persistent error memory

Error Bank tracks recurring patterns

Personalized learning cards

Generated from your own mistakes

Contextual practice conversations

Role-specific scenarios and prompts

Progress tracking over time

Track recurrence reduction by pattern

Use Cases That Match Real Work

FixLang is tuned for professional communication, not classroom exercises.

Developers

Write clearer PR comments, architecture docs, and incident updates without repeating the same grammar patterns

Before: This function is returning null when user not found

After: This function returns null when the user is not found

Use simple present for behavior descriptions in technical writing.

Meetings & Slack Communication

Reduce misunderstandings in async updates and meeting recaps across global teams

Before: Can we discuss this issue in tomorrow meeting?

After: Can we discuss this issue in tomorrow's meeting?

Use possessive form for specific meeting references.

Interviews

Practice sharper answers for behavioral and technical interviews using your actual weak patterns

Before: I am responsible to lead migration project last year

After: I was responsible for leading the migration project last year

Use past tense and correct preposition structure for completed responsibilities.

Writing & Speaking

Transfer improvements from writing into speaking with targeted conversational practice tied to recurring mistakes.

Before: I look forward to meet you and discuss about this.

After: I look forward to meeting you and discussing this.

Use gerund after 'look forward to' and omit unnecessary preposition.

Customers who joined our transparency-first launch

Instead of marketing hype, we invite people into the build process and make expectations explicit.

Every quote comes from pilot users who had NDAs for their projects—trust is the reason they stay.

"The team opened a real workspace, walked through every limitation, and only then asked if I wanted in. That honesty made it easy to help."

Minji Park · Strategy Lead

Product Ops Collective

Felt confident sharing investor updates for critique.

"FixLang shared anonymized interview drills plus a Notion page of open tasks so I knew what was ready versus in progress."

Rafael Gomez · MSc Computer Science

University of Melbourne

Used the sample drills to prepare two scholarship essays.

"As an HRBP, I needed to see how they explain grammar decisions. The sample Error Bank convinced me because every change had context."

Dewi Rahmawati · HR Business Partner

Global Manufacturing

Shared FixLang's explanations with my coaching group for feedback.

What we share before you decide

Instead of vanity numbers, we show you the loop, real corrections, and how we partner before you subscribe.

Live walkthroughs

Join a call where we open the workspace, show the Error Bank, and answer every question.

No highlight reels—just the current product and roadmap gaps.

Sample reports

Receive anonymized analysis sessions so you know exactly how FixLang explains mistakes.

See the tone, level of detail, and follow-up practice cards ahead of time.

Direct collaboration

Every customer gets a private thread with the founders for blockers, requests, and accountability.

We co-own your goals instead of dropping docs into a queue.

Best for professionals and students who expect transparency while using a live product.

Start with FixLang

Start the transparent FixLang workflow

See real correction samples, align your Error Bank, and decide when a paid plan makes sense.

Start with FixLangReview FixLoop

We show you the product before you commit. Keep your data, cancel anytime, and upgrade only when you are ready.