# PdfSpeaks vs Murmur

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.

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.

## The numbers

| Metric | PdfSpeaks | Murmur |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 2.2 GB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Sintesy](https://appshunter.io/developer/1867295138) | [Jan Piotrzkowski](https://appshunter.io/developer/6783748789) |

## What reviewers say

### PdfSpeaks

[App page](https://appshunter.io/ios/app/pdfspeaks/id6768070704)

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.

**Highlights:** AI audiobook narration, PDF and EPUB upload, Personal book library, Automatic progress saving, Book metadata and covers

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PdfSpeaks Monthly Plan | $14.99 | per month |
| PdfSpeaks 6-Month Plan | $49.99 | per 6 months |


### Murmur

[App page](https://appshunter.io/ios/app/murmur-epub-and-pdf-reader/id6787502394)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly | $14.99 | per month |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is PdfSpeaks free?

PdfSpeaks is free to download, with in-app purchases available.

### Is Murmur free?

Murmur is free to download, with in-app purchases available.

### Do PdfSpeaks or Murmur have ads?

Neither PdfSpeaks nor Murmur shows ads.

### Which is updated more often, PdfSpeaks or Murmur?

PdfSpeaks ships an update every 2 weeks, and Murmur every 9 days. Most recently, PdfSpeaks was updated on October 29, 2026 and Murmur on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*