🔨 ClozeForge
NO ACCOUNT NEEDED
FSRS-5 ALGORITHM
✓ 100% OFFLINE • NO ADS

Stop memorizing
words. Start
forging sentences.

Duolingo is for tourists. Anki is for robots. ClozeForge hammers 40,000 frequency words into your brain with real sentences, real grammar, real voices.

✓ Cloze Deletion
✓ Flashcards FSRS
✓ Quizzes
✓ Listening
✓ Conversations
✓ Audiobooks
  Open the web appLaunch Web App
Free web games • iOS app is 100% offline
🔥 12
⚡ 1,240
E
Interactive Live Demo
Forge today 23 sentences
Live Drill
FSRS-5 QUEUE
Cloze 14
Cards 6
Listen 3
ES • B1 • Subjuntivo / Imperfecto
“I thought that tomorrow it was going to rain.”
Yoque mañana iba a llover.
Type “pensaba” to test active recall
Audiobook: La Casa • 2:14
Tap to test live audio preview
App →

The old method is broken.
Active recall is the cure.

❌ OLD WAY

Duolingo + Anki = pain

  • • Click ABCD, brain sleeps
  • • Random words, no context
  • • SM-2 algorithm from 1990, 40% wasted reviews
  • • Robotic TTS, no slang, no real conversations
✓ FORGE WAY

ClozeForge = fluency

  • • Type the gap → active recall, 300% retention
  • • Real sentences from frequency lists + Netflix slang
  • • FSRS-5 predicts forgetting, cuts study time 30%
  • • Native AI voices Dora, Alex, Sara + audiobooks

6 ways to forge.
One brain.

C

1. Cloze Mastery

The core. Fill gaps in 1,600+ authentic sentences. Type, not click. Smart typo tolerance for ñ, á, ß. Instant why-explanation.
ACTIVE RECALL • 25 XP
F

2. Smart Flashcards FSRS-5

Classic 4-level: Again / Hard / Good / Easy. FSRS-5 calculates stability & difficulty per card. No more spam.
Again
Hard
Good
Easy
G

3. Full Grammar Forge

Not boring tables. Formula capsules: Haber + Participio, weil + Subject + ... + Verb. Common Pitfall section + Practice this rule → button filters cloze queue.
Ser vs Estar • Por vs Para • Trennbare
L

4. Listening & Shadowing

Hear native, type what you heard. 0.8x - 1.2x speed. Shadow mode: repeat after Dora (ES) with waveform. Perfect for tonal languages.
🔊 Dora • Alex • Sara • Eva
Q

5. Quizzes & Conversations

Role-play dialogues: At restaurant, At border, Job interview. Branching quizzes: Choose correct preposition in context. Feels like real talk.
💬 Real-life scenarios
A

6. Audiobooks & Stories

Mini audiobooks with synchronized cloze. La Casa de Papel slang pack, Caffè stories IT, Business DE. Tap word → instant detail sheet.
2-4 min episodes
FSRS-5 • SCIENTIFIC BREAKTHROUGH

Anki's SM-2 is from 1990.
We run FSRS-5 from 2024.

SM-2 uses one formula for everyone. FSRS-5 uses 17 parameters, predicts your memory stability and difficulty per card. Published research, not bro science.

-30%
Time wasted
+20%
Retention
✓ Stability: how long you remember (1.2d → 28d)
✓ Difficulty: how hard this word is for YOU
✓ Retrievability: knows when you start forgetting
Memory Stability28 days
1.2d
Again
3.4d
Hard
12d
Good
28d
Easy
Export to Anki TSV with FSRS metadata preserved. Your vault is yours.

Grammar in Context.
40,000 Frequency Sentences.

Full Grammar Course per language

No separate textbook. Grammar lives inside sentences.

!
Formula: Haber + Participio
He comido, has comido... Used for perfect tenses. Pitfall: not confundir con Tener.
⚠
Common Pitfall: Por vs Para
Por = cause, Para = purpose. 80% learners fail here.
→ Practice this rule in Forge
Filters 23 cloze sentences with this rule

40,000 words. Not random. Frequency.

10k per language
10 lists x 1k, A1→C2
1,600+ cloze
Real sentences, not Tatoeba trash
Slang packs
Narcos, La Casa, Caffè
AI Voices
Dora, Alex, Sara, Eva, Karl
Tempered Vault34%

One forge, many tongues.

4 LIVE • MORE PLANNED
🇪🇸

Spanish

10k • 1,266 sentences
POPULAR
🇬🇧

English

10k • 117+ • Phrasal Verbs
🇮🇹

Italian

10k • Caffè & Passato
🇩🇪

German

10k • Trennbare Verben
🇮🇳
Hindi
PLANNED
🇨🇳
Chinese
PLANNED
Forge Ranks:🪵 Apprentice 0-249 XP🔨 Helper 250-749⚔ Iron 750-1999🛡 Steel 2000-4999👑 Gold 5k-9999💎 Obsidian 10k+

Choose your hammer.

The web app is free and needs no account. No ads, no trackers, your progress stays in your browser.

Web app

No account, no payment
$0
Free
  • ✓ All 4 live languages
  • ✓ 4 modes: Cloze, Cards, Quiz, Listen
  • ✓ FSRS-5 scheduling, works offline
  • ✓ Progress stored in your browser only
Open the web app
iOS APP

iOS app

Free tier: 20 reviews a day
FREE
$0 to start
  • ✓ Everything the web app does, on device
  • ✓ Widgets and daily reminders
  • ✓ Works fully offline
  • ✓ No ads at any tier
Not on the App Store yet

Pro

Sold in the iOS app only
IAP
Apple prices
  • ✓ Monthly, yearly and lifetime plans
  • ✓ Prices and any introductory offer are shown before you confirm
  • ✓ Billing, cancellation and refunds handled by Apple
  • ✓ We never see your card details
See plans in the app

Frequently Asked Questions

Everything you need to know about the science and guarantee.

How is FSRS-5 better than Anki?▼

Anki SM-2 is 1990, one formula for all. FSRS-5 has 17 params, predicts your memory per card. Same algorithm family powering Anki 23+, but we built it native with stability/difficulty UI.

Is it really offline?▼

100% offline-ready. 500 reviews cached in IndexedDB. No trackers, no ads, no login required. Apple Privacy First. Export to Anki anytime.

What about Hindi & Chinese?▼

Planned. Current languages: Spanish, German, Italian, English.

Ready to forge
fluency?

Free on the web • No ads • No account

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