PdfSpeaks vs Murmur
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PdfSpeaks
Convert digital books into audiobooks using AI narration. Upload PDF or EPUB files, manage your library, and listen as content is processed. The app saves your progress, allowing you to resume listening seamlessly.
- AI audiobook narration
- PDF and EPUB upload
- Personal book library
- Automatic progress saving
- Book metadata and covers
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PdfSpeaks transforma livros digitais em audiobooks com narração por inteligência artificial. Envie arquivos PDF ou EPUB, acompanhe sua biblioteca e comece a ouvir enquanto o livro é preparado progressivamente. O app organiza o conteúdo em trechos, mantém seu progresso de reprodução e oferece uma experiência simples para continuar ouvindo de onde parou. Recursos: - Upload de PDF e EPUB - Biblioteca pessoal de livros - Reprodução de audiobooks gerados por IA - Progresso salvo automaticamente - Capas e metadados do livro Termos de Uso (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Política de Privacidade: https://lp.pdfspeaks.com/privacy
Murmur
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Turn the books and documents you already own into audiobooks. Murmur reads EPUBs and PDFs aloud with natural neural voices that run entirely on your iPhone. Import a book, choose a narrator, press play, and keep listening while you commute, exercise, cook, clean, or simply give your eyes a break. NO AUDIOBOOK? NO PROBLEM. Most books will never receive a professionally produced audiobook. Your textbooks, PDFs, self-published books, research material, old EPUBs, and personal documents may never have one at all. Murmur lets you listen to the files you already have instead of buying another copy. READ EPUB & PDF ALOUD Import EPUB and PDF files directly into your library. Murmur organizes books into chapters and paragraphs and keeps your reading and listening position together. Follow the text while the narrator speaks, or put your phone away and keep listening in the background. 23 NEURAL VOICES Choose from 23 bundled narrators across 10 languages. Set a default narrator for each language or choose a different voice for an individual book. Adjust playback speed whenever you want. PRIVATE AND OFFLINE Your books stay on your iPhone. Speech is generated on-device, so Murmur doesn't need to upload your EPUBs, PDFs, textbooks, or personal documents to a text-to-speech server. • No account • No document uploads • No cloud processing • No internet connection required for narration • Background playback BUILT FOR BOOKS, NOT JUST TEXT Murmur combines an EPUB reader, PDF reader, text-to-speech engine, audiobook player, and follow-along reader in one library. Use it for: • EPUB books • PDF books and documents • Textbooks and course material • Research and professional reading • Independent and self-published books • Out-of-print titles • Long reading backlogs • Hands-free reading • Read-aloud and accessibility workflows LISTEN YOUR WAY Murmur remembers your position, playback speed, and narrator settings for every book. Switch between reading and listening without losing your place. FREE TO START Import as many books as you want. Free includes 60 minutes of listening every 30 days and access to one English and one Polish narrator. Murmur Premium unlocks unlimited listening and all 23 voices. Your books already contain the words. Murmur gives them a voice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://readbuildship.com/apps/murmur/privacy
Screenshots
Verdict
The clearest difference is device support: PdfSpeaks at 3 against Murmur's 1. PdfSpeaks also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PdfSpeaks sells 2 in-app purchases, starting at $14.99 per month and Murmur sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
PdfSpeaks ships an update every 2 weeks, Murmur every 9 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | PdfSpeaks | Murmur |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 75 MB | 2.2 GB |
| Age rating | +4 | 4+ |
| Developer | Sintesy | Jan Piotrzkowski |
In-app purchases
PdfSpeaks
- PdfSpeaks Monthly Plan$14.991 Month
- PdfSpeaks 6-Month Plan$49.996 Months
Murmur
- Premium Weekly$4.997 Days
- Premium Monthly$14.991 Month
- Premium Yearly$49.991 Year









