Guide
NaturalReader Is Expensive—Morph Offers Unlimited TTS for Less
Replace NaturalReader's PDF reading with Morph's unlimited TTS on books, articles, and PDFs.
What this is about
NaturalReader is PDF TTS reader. Morph is full reading platform with TTS as integrated feature. Plus synced reading.
NaturalReader users. People reading PDFs with TTS. Anyone wanting unlimited narration.
What you’ll learn
- · Export PDFs from NaturalReader
- · Convert to EPUB for Morph
- · Enable TTS and organize
- · Use synced read-and-listen
- · Migrate settings and preferences
The playbook
- 1
Back Up Your NaturalReader PDFs
Open NaturalReader app → Documents. Export or download all PDFs to ~/Downloads/nr-pdfs.
- 2
Convert PDFs to EPUB Using Calibre
Download Calibre → Add PDFs → Convert to EPUB → Save.
- 3
Import to Morph
Open Morph → Library → '+' → 'Import from Files' → Select EPUBs → Import.
- 4
Enable TTS Voice Matching NaturalReader Preference
Open book → Speaker icon → Find TTS voice similar to NaturalReader's preferred voice.
- 5
Set Speed to Match NaturalReader Default
Adjust TTS speed (NaturalReader uses ~1x by default).
- 6
Test Synced Read-and-Listen
Toggle ON. NaturalReader is listen-only; synced is 20-30% faster.
- 7
Organize Reading Lists
Create lists matching NaturalReader organization.
- 8
Download for Offline
Select PDFs → Download.
- 9
Test Highlighting and Notes
Morph highlighting is feature-rich. Test annotations.
- 10
Cancel NaturalReader Subscription
Open app → Settings → Manage Subscription → Cancel.
Common mistakes
✗Not converting PDFs to EPUB (raw PDF TTS in Morph can have issues)
→Calibre conversion improves text extraction.
✗Not matching voice and speed settings from NaturalReader
→Test preferences immediately to maintain reading comfort.
✗Staying listen-only instead of synced
→Synced is faster and better.
✗Not backing up NaturalReader PDFs before deleting
→Keep original PDF files.
✗Expecting identical TTS quality across platforms
→NaturalReader uses different TTS than Morph. Quality varies; test.
Quick wins
- Export one PDF from NaturalReader
- Convert to EPUB using Calibre (5 min)
- Import to Morph
- Enable TTS and test voice/speed (5 min)
- Compare to NaturalReader (feel difference with synced reading)
Morph Replaces NaturalReader with Full Reading Platform
NaturalReader is PDF-only TTS. Morph adds books, articles, synced reading, offline download, cloud sync. Synced read-and-listen is 20-30% faster than listen-only. Better value.
Frequently asked
Can I use Morph for PDFs like NaturalReader?+
Is Morph TTS as good as NaturalReader?+
How much do I save with Morph?+
Can I convert NaturalReader's highlighting to Morph?+
Does Morph handle scanned PDFs (images)?+
Is offline TTS available in Morph?+
What if I have 500+ NaturalReader PDFs?+
Can I use Morph for accessibility/dyslexia support like NaturalReader?+
Your whole library, read to you.
Bring your EPUBs, save the articles you meant to read, and listen with Morph's own voices — offline, on your phone.