Pricing
Simple tiers. No surprise lock-in. Story Graph, Adventure Builder, and Fortress Reader are genuinely free; Pro and Unlimited add AI depth and production audio when you need them.
Swipe sideways to compare plans.
Free
$0 foreverTry it. Keep it forever.
- Adult fiction supported — no AI censorship
- Full import & export — your data, your keys
- Unlimited book imports & KB extraction
- Series-level knowledge base
- Developmental analysis
- Structural analysis
- Series-wide consistency checking
- Knowledge graphs (characters, locations, threads)
- Story-beat overlay (Save the Cat, Hero's Journey)
- Pacing graphs
- Multi-book series timeline
- Adventure Builder + Fortress Reader — free forever
- Read-only editor
Pro
$25/mo (annual)[$300/yr]Active writing & revision.
Everything in Free, plus:
- Everything in Free
- Full editor access (write, not just read)
- Line editing analysis
- Copy editing analysis
- Proofreading analysis
- AI fix-it-for-me on rewrites
- Inline AI craft tools
- Voice persistence + reinforcement
- Show-don't-tell conversion
- @-mention research with citations
- 120 minutes per month of multi-voice audio (listen-for-revision)
- Chapter Listen with multi-voice TTS
- $20 top-up adds 120 more minutes
Replaces $174–300/mo of indie tools.
Unlimited
$80/mo (annual)[$1000/yr]Audiobook production.
Everything in Pro, plus:
- Everything in Pro
- Author page with eCommerce & digital asset sales
- ARC distribution, opt-in pipeline, follow-ups & review capture
- Author CRM + email broadcasts + reviewer marketplace
- 720 minutes per month of multi-voice audio (12 hours) for production
- Priority queue on long manuscripts
- Full Audiobook Wizard production
Cuts audiobook production from $300–2,000/book.
Scroll sideways to compare tiers.
| Capability | Free | Pro | Unlimited |
|---|---|---|---|
| Book imports + KB extraction | Unlimited | Unlimited | Unlimited |
| KB consistency checking | Unlimited | Unlimited | Unlimited |
| Developmental analysis | Unlimited | Unlimited | Unlimited |
| Structural analysis | Unlimited | Unlimited | Unlimited |
| Line editing analysis | — | Unlimited | Unlimited |
| Copy editing analysis | — | Unlimited | Unlimited |
| Proofreading analysis | — | Unlimited | Unlimited |
| "Fix this for me" AI rewrites | — | ✓ | ✓ |
| Editor access | Read-only | Full editor | Full editor |
| Inline AI craft tools | — | ✓ | ✓ |
| Inline AI usage | — | Unlimited fair use | Unlimited fair use |
| Generated audio (TTS) | None | 120 minutes / month | 720 minutes / month |
| Chapter Listen | — | ✓ | ✓ |
| Adventure Builder + Fortress Reader | Free forever | Free forever | Free forever |
| Audiobook Wizard | — | — | Full production |
| Audio top-ups | $20 = +120 minutes | $20 = +120 minutes | $20 = +120 minutes |
| ARC distribution | — | — | ✓ |
| Author CRM + email broadcasts | — | — | ✓ |
| Reviewer marketplace | — | — | ✓ |
| Priority queue on long manuscripts | — | — | ✓ |
Need more audio?
Add minutes in $20 increments — each purchase adds 120 minutes for Chapter Listen and audiobook production. No expiration. Carries across plan changes. Pay-as-you-need for longer production runs.
Student or educator?
50% off Pro. Upload your card, we verify in seconds.
Need a break?
Pause your subscription up to 3 months at zero charge. Your data stays exactly as you left it.
Not working out?
Email us. Full refund within 30 days. Pro-rated after. Part as friends. Your manuscripts stay accessible.
Common questions
More questions? hello@inkfortress.com