# Pdf Studio vs Offline Text to Speech

The clearest difference is in-app purchases: Pdf Studio at none against Offline Text to Speech's 2. Offline Text to Speech's advantage is ads (none vs shown) and update cadence (every 9 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Offline Text to Speech sells 2 in-app purchases, starting at $2.99 per month. Pdf Studio asks for nothing beyond the download.

Pdf Studio ships an update every 3 weeks, Offline Text to Speech every 9 days. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Pdf Studio | Offline Text to Speech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/offline-text-to-speech-protts/id6806912307/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Subscription |
| Size | 57 MB | 75 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Satyam Sahu](https://appshunter.io/developer/1608998714) | [KEVIN JIN](https://appshunter.io/developer/6787357670) |

## What reviewers say

### Pdf Studio

[App page](https://appshunter.io/ios/app/pdf-studio-reader-and-listener/id1608998712)

**Features:** Vision Pro support

**In-app purchases:** none


### Offline Text to Speech

[App page](https://appshunter.io/ios/app/offline-text-to-speech-protts/id6806912307)

Transform your documents and e-books into audiobooks with high-quality, natural-sounding voices. Enjoy offline listening without accounts or internet, perfect for on-the-go access.

**Highlights:** Offline PDF and EPUB conversion, High-quality, natural-sounding voices, No account or internet required, Adjustable playback speeds, Lock screen and headphone controls, Chapter navigation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TTS Reader Unlimited | $2.99 | per month |
| TTS Reader Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is Pdf Studio free?

Pdf Studio is free to download, with no in-app purchases.

### Is Offline Text to Speech free?

Offline Text to Speech is free to download, with in-app purchases available.

### Do Pdf Studio or Offline Text to Speech have ads?

Pdf Studio shows ads; Offline Text to Speech does not.

### Which is updated more often, Pdf Studio or Offline Text to Speech?

Pdf Studio ships an update every 3 weeks, and Offline Text to Speech every 9 days. Most recently, Pdf Studio was updated on November 7, 2026 and Offline Text to Speech on November 10, 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.*