Pick Your Publishing Pace

    Write your book or build a content engine — with AI that learns your voice.

    Start free with 2 daily AI credits. Upgrade when you need more power.

    Early adopter pricing — lock in today's rate
    MonthlyAnnualSave 33%

    Free

    See how your expertise becomes content

    Free

    2 free credits/day

    • 2 free credits/day
    • Voice transcription (uses daily credits)
    • 1 book project
    • 5 posts/month
    • Standard AI
    • Basic AI assistant
    • AI content insights (limited preview)
    • Mobile app with unlimited notes
    Best for Solo Creators

    Starter

    Write your book or publish weekly — AI that matches your voice

    $19$12.67/month

    Billed $152/year — save $76

    150 AI credits/month + 2 free/day

    • 150 AI credits/month
    • 5 book projects
    • 30 posts/month
    • Standard AI
    • Unlimited AI content insights
    • Voice note sync & transcription (up to 30 min/recording)
    • Email support

    Cancel anytime. No long-term contract.

    Most Popular

    Pro

    Unlimited books, posts, and premium AI models

    $49$32.67/month

    Billed $392/year — save $196

    500 AI credits/month + 2 free/day

    • 500 AI credits/month
    • Unlimited books & posts
    • Premium AI models
    • Unlimited AI content insights
    • Voice note sync & transcription (up to 60 min/recording)
    • Bring Your Own API Key (BYOK)
    • Priority support
    • Early access to new features

    Cancel anytime. No long-term contract.

    “I upgraded to Pro in week 2 — haven't looked back. Kernio sounds like me on my best day.”
    Rachel M., Product Manager
    “I outlined my novel in 10 minutes and had a first draft in three weeks. The AI kept my characters consistent across chapters.”
    Sarah L., Fiction Author
    “I was copy-pasting into ChatGPT for hours. Kernio does it in minutes and actually nails my tone.”
    David K., Freelance Consultant
    Secure checkout via Lemon Squeezy (a Stripe company)

    Compare Plans

    See exactly what's included in each plan.

    Feature
    Free
    Starter
    Pro
    Free daily credits
    2/day
    2/day
    2/day
    AI credits/month
    150
    500
    Book projects
    1
    5
    Unlimited
    Posts/month
    5
    30
    Unlimited
    AI quality
    Standard
    Standard
    Premium + BYOK
    Voice transcription
    Daily credits
    Up to 30 min/recording
    Up to 60 min/recording
    AI content insights
    Limited
    Bring Your Own API Key
    Priority support
    Early access to features

    All plans include

    AI-guided expertise captureAI that writes in your toneMobile app (iOS & Android)Unlimited notes

    How Credits Work

    Different tasks use different amounts of credits. Here's what you can do.

    2 free/day ≈ 2 posts · 150 Starter credits ≈ 75 posts · 500 Pro credits ≈ 250 posts

    Operation
    Credits
    Chat message
    1
    Generate post
    1
    Extract profile
    1
    Content ideas
    1
    Voice transcription (under 2 min)
    2
    Generate chapter
    5

    Need More Credits?

    Buy as many as you need, anytime. No limits. Valid for 6 months.

    Most Starter users never need top-ups — 150 credits covers 3+ posts per week.

    Small
    50
    credits
    ~6 chapters or ~50 posts
    $9
    $0.18/credit
    Medium
    150
    credits
    ~18 chapters or ~150 posts
    $22
    $0.15/credit
    Save 19% vs Small
    Best Value
    Large
    500
    credits
    ~62 chapters or ~500 posts
    $59
    $0.12/credit
    Save 34% vs Small

    Which Plan Is Right for You?

    Answer 4 quick questions to find your ideal plan.

    1. What's your primary goal with Kernio?

    2. How often do you plan to publish content?

    3. Do you need premium AI quality?

    4. Would you use your own API key (OpenAI, Google, Anthropic)?

    Frequently Asked Questions

    Your Knowledge Base Compounds Over Time

    Every week you wait is expertise that stays invisible. Start building today — no credit card required.