# Text to Speech PDF Reader vs PDF Vault

The clearest difference is monetization model: PDF Vault at free with in-app purchases against Text to Speech PDF Reader's subscription. Text to Speech PDF Reader's advantage is iOS requirement (16.0 vs 18.1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Text to Speech PDF Reader sells 10 in-app purchases, starting at $0.99 per 7 days and PDF Vault sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Text to Speech PDF Reader ships an update every 10 days, PDF Vault fortnightly. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Text to Speech PDF Reader | PDF Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (552 ratings)](https://appshunter.io/ios/app/text-to-speech-pdf-reader/id1519637964/reviews)** | — |
| Number of ratings | **552** | — |
| Positive reviews | 45.8% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 12 MB | 4 MB |
| Requires iOS | **16.0** | 18.1 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Bret Lester](https://appshunter.io/developer/917672169) | [Dmytro Skorokhod](https://appshunter.io/developer/994177751) |

## What reviewers say

### Text to Speech PDF Reader

[App page](https://appshunter.io/ios/app/text-to-speech-pdf-reader/id1519637964)

Listen to your PDF documents with a variety of high-quality voices and languages. The app highlights words as it reads, automatically scrolls pages, and remembers your reading progress. Save and access specific text sections as highlights.

**Highlights:** Listen to PDF documents, Multiple high-quality voices and languages, Word highlighting and automatic scrolling, Resume reading from last position, Save and access text highlights, Crop feature to skip content, Sync documents across devices

**Features:** Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TTSPDF Unlimited Weekly | $0.99 | per 7 days |
| TTS PDF Yearly | $9.99 | per year |
| Premium Weekly | $9.99 | per 7 days |
| Premium Weekly | $9.99 | per 7 days |
| TTS PDF Basic | $12.99 | per year |
| Premium Monthly | $29.99 | per month |
| Premium Monthly | $29.99 | per month |
| Premium Annual | $119.99 | per year |
| Premium Annual | $119.99 | per year |
| 1 Million Characters | $39.99 | one-time |

**What reviewers like**

- 🚀 Simple and works
- 🚀 Saving my life
- 🚀 Fantastic app
- 🚀 Awesome app
- 🚀 Turns my PDFs to Audio Books

**What reviewers complain about**

- 🐛 Does not read alternate text
- 🐛 Not reading clear anymore
- 🐛 Rubbish
- 🐛 Garbage
- 🐛 Crashed every time I opened it

**Reported bugs**

- Skips paragraphs and double plays when pausing
- Erased files without consent
- Doesn't work with two-column text
- Reads text backwards
- Unable to copy/paste or open certain files

**Requested features**

- Add ability to read alternate text (alttext) in PDFs
- Improve voice quality and options
- Add ability to organize files in folders
- Add mobile-friendly version
- Improve handling of scanned/column PDFs


### PDF Vault

[App page](https://appshunter.io/ios/app/pdf-vault-document-app/id1599303874)

This ultra-lightweight application offers a comprehensive suite of PDF tools, including text-to-speech functionality, digital signing, document scanning, organization, and instant translation. It's designed for efficiency and ease of use, saving device space while enhancing productivity for work, study, or personal tasks.

**Highlights:** Text-to-speech for PDFs, Digital document signing, Scan paper documents to PDF, Organize and manage PDF files, Instant document translation, Ultra-lightweight and fast

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mox PDF Tool Unlimited Monthly | $4.99 | per month |
| Mox PDF Tool Unlimited Annually | $19.99 | per year |


## Frequently asked questions

### Is Text to Speech PDF Reader free?

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

### Is PDF Vault free?

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

### Do Text to Speech PDF Reader or PDF Vault have ads?

Neither Text to Speech PDF Reader nor PDF Vault shows ads.

### Which is updated more often, Text to Speech PDF Reader or PDF Vault?

Text to Speech PDF Reader ships an update every 10 days, and PDF Vault fortnightly. Most recently, Text to Speech PDF Reader was updated on September 27, 2026 and PDF Vault on September 26, 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.*