Pick the plan that
unlocks fluency.
Reading · Writing · Speaking · Videos · Source Studio — every English skill in one platform, scientifically tuned to your level. Pay in any of 100+ cryptocurrencies via NOWPayments.
12,000+
active learners
IELTS · TOEFL · PTE
official exam coverage
14
Source Studio surfaces
Why LinguaDig
AI tuned to your level
Every passage, prompt, and quiz is generated at your CEF level — never too easy, never frustrating.
Read · Write · Speak · Review — one loop
Every word you save, sentence you fix, or phrase you stumble on becomes a flashcard. Skills compound.
Crypto · cancel anytime
Pay in any of 100+ cryptocurrencies. No card, no auto-renewal trap, no hidden fees.
Bilingual everything
Definitions, corrections, AI tutor — all available in your target language alongside English.
Have a coupon code?
Free
CURRENTSlow, steady practice — forever free
200 credits / month
1 credit ≈ 1 AI message · light grades from 1 credit
- ~100 AI tutor messages or ~30 light writing grades~100 AI tutor messages or ~30 light writing grades
- Light & deep feedback on every surfaceLight & deep feedback on every surface
- Language Journey: first lessonLanguage Journey: first lesson
- Credits refresh monthly (no rollover)Credits refresh monthly (no rollover)
No credit card needed
Pro
Daily practice & light exam prep
2,000 credits / month
1 credit ≈ 1 AI message · light grades from 1 credit
- 60 light + 30 deep writing grades60 light + 30 deep writing grades
- 60 light + 20 deep speaking grades60 light + 20 deep speaking grades
- 200 AI tutor messages + 20 reading passages200 AI tutor messages + 20 reading passages
- Unused credits roll over 1 monthUnused credits roll over 1 month
- Full Language JourneyFull Language Journey
Pay in BTC, ETH, USDT, or 100+ other coins
Max
Serious exam prep + Source Studio
4,500 credits / month
1 credit ≈ 1 AI message · light grades from 1 credit
- Everything in Pro, doubledEverything in Pro, doubled
- 80 Source Studio listening clips80 Source Studio listening clips
- 10 podcasts + 2 full exam mock sets10 podcasts + 2 full exam mock sets
- Premium AI models + My Voice clonePremium AI models + My Voice clone
- Unused credits roll over 1 monthUnused credits roll over 1 month
Pay in BTC, ETH, USDT, or 100+ other coins
Ultra
Power users & small tutors
10,000 credits / month
1 credit ≈ 1 AI message · light grades from 1 credit
- 200 deep grades every month200 deep grades every month
- 200 Source Studio clips200 Source Studio clips
- 30 podcasts30 podcasts
- Best for daily exam prep & small tutorsBest for daily exam prep & small tutors
- Unused credits roll over 1 monthUnused credits roll over 1 month
Pay in BTC, ETH, USDT, or 100+ other coins
How many credits do I need?
Drag the sliders to match a typical month.
Total per month
810 credits
Pro plan (2,000 credits)
You'd use 41% of your budget.
Top-up credits
Never expire. Used after your monthly and rollover credits.
Small
500
$4.99
Medium
1,100
$9.99
Large
2,400
$19.99
XL
6,500
$49.99
- Pay in 100+ cryptos
- Cancel anytime
- Quotas reset monthly
- Your sources are private
- 5-day free trial
- Email + live-chat support
- No card to start
- 7-day refund
- GDPR compliant
- SSL encrypted
Compare every feature in detail
Hover (or tap on mobile) any feature for a deep-dive · 1 credit = $0.01
| Feature | Cost | Free200 cr / mo | Pro2,000 cr / mo | MaxTop4,500 cr / mo | Ultra10,000 cr / mo |
|---|---|---|---|---|---|
| 5-day unrestricted trial5-day unrestricted trial | — | ||||
| Unused credits roll over (1 month)Unused credits roll over (1 month) | — | ||||
| Top-up packs (never expire)Top-up packs (never expire) | — | ||||
| AI Tutor & Chat | |||||
| AI tutor messageAI tutor message | 1 cr | ||||
| Writing | |||||
| Write & Correct — light / deepWrite & Correct — light / deep | 1 / 4 cr | ||||
| IELTS · TOEFL · PTE writing — light / deepIELTS · TOEFL · PTE writing — light / deep | 1 / 5 cr | ||||
| Speaking | |||||
| Free Talk — light / deepFree Talk — light / deep | 2 / 5 cr | ||||
| IELTS · TOEFL · PTE speaking — light / deepIELTS · TOEFL · PTE speaking — light / deep | 2 / 6 cr | ||||
| Live Class sentence feedbackLive Class sentence feedback | 1 cr | ||||
| Reading & Videos | |||||
| Reading passage generationReading passage generation | 4 cr | ||||
| Video lesson analysis (any YouTube URL)Video lesson analysis (any YouTube URL) | 8 cr | ||||
| Vocabulary | |||||
| Flashcard generation — light / deepFlashcard generation — light / deep | 2 / 4 cr | ||||
| Source Studio & Journey | |||||
| Source Studio listening clipSource Studio listening clip | 8 cr | ||||
| Personalised CEFR learning pathPersonalised CEFR learning path | — | Lesson 1 | Full | Full | Full |
| Premium | |||||
| Premium AI models (Claude Opus · GPT 5.5)Premium AI models (Claude Opus · GPT 5.5) | — | ||||
| My Voice clone & playbackMy Voice clone & playback | — | ||||
| Live 1:1 tutoringLive 1:1 tutoring | Marketplace | Sold separately | Sold separately | Sold separately | Sold separately |
| What each plan buys per month (up to) | |||||
| Monthly creditsMonthly credits | — | 200 | 2,000 | 4,500 | 10,000 |
| AI tutor messagesAI tutor messages | 1 cr | ~200 | ~2,000 | ~4,500 | ~10,000 |
| Deep writing gradesDeep writing grades | 5 cr | ~40 | ~400 | ~900 | ~2,000 |
| Deep speaking gradesDeep speaking grades | 6 cr | ~33 | ~333 | ~750 | ~1,666 |
| Reading passagesReading passages | 4 cr | ~50 | ~500 | ~1,125 | ~2,500 |
Every plan unlocks
Six killer features. One coherent platform.
Each feature feeds the next — read a passage, write about it, speak about it, review the vocab tomorrow. That's how fluency happens.
ReadingAI Reading at your level
Click any word → flashcard. Audio narrator + dual subs.
Try Reading
SpeakingLive AI conversations
Talk back and forth. Get fluency, vocab, grammar scores.
Try Speaking
WritingSentence-level writing AI
Bilingual corrections. OCR your handwriting. Compare attempts.
Try Writing
VideosYouTube → English lesson
5 modes: dictation · fill-blanks · shadowing · immersion · quiz.
Try Videos
Source Studio NewSource Studio · 14 surfaces
Upload anything → summary, vocab, listening, chat, 9 writing drills.
Try Source Studio
FlashcardsAuto-built spaced repetition
Every action seeds flashcards. +38% retention vs cramming.
See ReviewsReal learners · real bands
Why 12,000+ learners pick LinguaDig
Priya R.
IELTS Academic · India
"I went from IELTS 6.0 to 7.5 in 8 weeks. Source Studio + the writing flashcards turned my own articles into a personalised course."
Mateo G.
PTE General · Argentina
"The Pronunciation Lab finally fixed my /θ/ and /ð/ — I had been pronouncing them wrong for 6 years. The minimal-pairs drill is unreal."
Aiko T.
TOEFL · Japan
"Live AI conversation feels like a tutor I can call at 2am. No judgement, instant feedback, and my flashcards rebuild themselves."
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Honest answers to the questions you'd email us about
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Read · Write · Speak · Review — one platform
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