# PDF Reader vs TTS

The clearest difference is in-app purchases: PDF Reader at none against TTS's 1. PDF Reader also leads on iOS requirement (14.0 vs 17.6). TTS's advantage is update cadence (every 2 months vs every 112 months). On price, ads and device support there is nothing between them.

Both are free to download. TTS sells 1 in-app purchase, starting at $1.99 per month. PDF Reader asks for nothing beyond the download.

PDF Reader ships an update every 112 months, TTS every 2 months. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | PDF Reader | TTS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (6 ratings)](https://appshunter.io/ios/app/tts-voice-aloud-reader/id1527382078/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 112 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 8 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-simple/id1084659776)

**Features:** macOS Compatibility

**In-app purchases:** none


### TTS

[App page](https://appshunter.io/ios/app/tts-voice-aloud-reader/id1527382078)

Convert text from various sources into natural-sounding speech. This app can read PDFs, web articles, documents, and even scanned printed text, offering customizable playback options and accessibility features.

**Highlights:** Reads PDFs, web articles, and documents, Scans printed text with OCR camera, Supports 30+ languages with premium voices, Adjustable speech speed, pitch, and volume, Karaoke-style word highlighting, Export audio as M4A, Podcast/Dialogue mode for multiple voices

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS subscription | $1.99 | per month |


## Frequently asked questions

### Is PDF Reader free?

PDF Reader is free to download, with no in-app purchases.

### Is TTS free?

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

### Do PDF Reader or TTS have ads?

Both PDF Reader and TTS show ads.

### Which is updated more often, PDF Reader or TTS?

PDF Reader ships an update every 112 months, and TTS every 2 months. Most recently, PDF Reader was updated on September 26, 2026 and TTS on September 18, 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.*