Turn Any Ebook Into an Audiobook

Unlimited listening. No monthly fees. No hour limits.

Bring your own ebooks, we'll read them aloud with 900+ AI voices using Narrator-Only (free) or Full-cast modes

How is this free?

BookNPC

✅ $0/month
✅ Unlimited
✅ Works offline
Uses your phone's power
VS

Other TTS Apps

❌ $15-30/month
❌ 20-hour limits
❌ Needs internet
Use expensive cloud servers

Simple, Flexible Pricing

Basic TTS Reading

Free Forever
US$0

Read any ebook aloud with AI voices

  • 900+ high-quality voices (offline)
  • Unlimited listening - no hour caps
  • Works anywhere - no internet required
  • Private - your books stay on your device

AI-Enhanced Reading

Pay-per-page
Flexible page-by-page pricing
  • Full-cast mode: Different voices for each character
  • Translation included: Read books in your language
  • Smart analysis: AI understands story context per page
  • Ultimate flexibility: Switch between Narrator-Only (free) and Full-cast anytime
📊 View detailed pricing & usage examples

Why Choose BookNPC?

What Matters Most BookNPC Typical TTS Apps
Monthly Cost US$0 for unlimited basic reading
Optional: US$2.99/mo ad-free 		US$15-30/month subscription required
Usage Limits Unlimited listening hours 20-100 hours/month typical caps
Internet Required Works offline - plane, subway, anywhere Must be online for voice generation
Voice Options 900+ voices included Basic voices included, premium voices cost extra
Advanced Features Full-cast & translation included
Pay-per-page as you read 		Usually not available

Completely Optional: Ad-Free Experience

Our ads are non-intrusive - no interruptions during listening. But if you prefer a completely clean experience:

  • Remove banner ads from app screens
  • No startup ads when reopening the app
  • Core reading features stay completely free
US$2.99/month
or US$29.99/year
✓ Cancel anytime
🤓 Technical Details & Pricing Transparency

How Full-Cast Mode Works

When you enable Full-cast mode, our AI analyzes each page in real-time to identify characters and assign different voices. You can switch between Narrator-Only (free) and Full-cast mode at any point - even mid-chapter. AI processing happens page-by-page as you read.

Why Costs Vary

  • Book length matters (more pages = more analysis)
  • Dialogue-heavy books cost more (more characters to identify)

What's Included

  • Translation is included free (done together with character analysis)
  • Prices may decrease as AI becomes more efficient
Technical note: We charge approximately US$0.50 per 1M input tokens and US$2.00 per 1M output tokens for AI processing. BookNPC reserves the right to adjust token calculations and pricing as needed.

Real Usage Examples

📖 Flexible reader: Use Full-cast for 20 pages of dialogue in a 200-page book = ~US$0.12
📚 Full experience: Alice in Wonderland (~40 pages all Full-cast) = ~US$0.25
📘 Try-then-decide: Test 5 pages Full-cast (~US$0.03), switch to Narrator-Only (free) if preferred
*Switch between Narrator-Only (free) and Full-cast anytime • Translation included when using Full-cast