Sandbook
Turn EPUBs, PDFs, web articles & scans into natural speech.
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This is 1 of 214 launches in voice AI and speech tools — see how it stacks up on momentum and crowding →
412 other launches read as similar to this one →
Details
- External ID
- 1274294
- Source
- PH
- Company
- —
- Product
- Sandbook
- Website domain
- producthunt.com
- Launched
- Oct. 9, 2026
- Cohort
- —
- Upvotes
- 3
- Upvotes percentile
- 0.89
- Tags
- Artificial Intelligence, Books, Audio
Description
Sandbook turns EPUBs, PDFs, web articles, scanned pages, and photos into natural-sounding audio. Powered by Kokoro, speech is generated directly on your iPhone or iPad, with no cloud processing. Choose from 41 voices across 6 languages, follow along with word-by-word highlighting, and listen offline. Completely free. No account, no ads, no subscriptions, and no character limits.
Enrichment
- Niche
- voice AI and speech tools
- Vertical
- Media & entertainment
- Function
- Content generation
- Audience
- B2C
- AI stance
- AI-native
- Project type
- Commercial product
- Normalized one-liner
- text-to-speech reader for ebooks and articles
- Manually corrected
- False
Could you build this?
Yes The app leverages open-source Kokoro TTS (which has existing ONNX/CoreML runtimes for iOS) along with standard document parsing and text-to-speech audio player UI.
Competitors
Other products that read as similar to this one — 412 launches clear the similarity bar, closest 8 shown.
Attention rank: #51 of 413 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 337 days after the earliest competitor.
- I built an iOS app that turns EPUBs into audiobooks · hn · 2026-02-24 · 6 upvotes · similarity 0.66
- Mi Speaks 2.0 · ph · 2026-10-13 · 79 upvotes · similarity 0.61
- Heard for iOS: ePub reader with on-device text to speech · hn · 2026-07-15 · 5 upvotes · similarity 0.59
- OBook Text To Speech · ph · 2026-09-26 · 5 upvotes · similarity 0.58
- Voxprint · ph · 2026-09-10 · 1 upvotes · similarity 0.55
- Mallo · ph · 2026-10-06 · 1 upvotes · similarity 0.55
- OpenWhispr for iOS · ph · 2026-10-13 · 89 upvotes · similarity 0.54
- SnowReader · ph · 2026-09-09 · 2 upvotes · similarity 0.54
Other launches for this product
- No other launches for this product.