# Text to Speech PDF Reader vs Allys PRO GPS

The clearest difference is in-app purchases: Allys PRO GPS at none against Text to Speech PDF Reader's 10. Text to Speech PDF Reader's advantage is update cadence (every 10 days vs every 11 months). On price, ads, device support and iOS requirement 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. Allys PRO GPS asks for nothing beyond the download.

Text to Speech PDF Reader ships an update every 10 days, Allys PRO GPS every 11 months. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Text to Speech PDF Reader | Allys PRO GPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (561 ratings)](https://appshunter.io/ios/app/text-to-speech-pdf-reader/id1519637964/reviews)** | — |
| Number of ratings | **561** | — |
| Positive reviews | 45.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 11 months |
| Monetization | Subscription | — |
| Size | 12 MB | 197 MB |
| Requires iOS | 16.0 | 16 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Bret Lester](https://appshunter.io/developer/917672169) | [Joseph Adonay Romero Flores](https://appshunter.io/developer/1725894533) |

## 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


### Allys PRO GPS

[App page](https://appshunter.io/ios/app/allys-pro-gps/id6476117785)

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

**In-app purchases:** none


## 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 Allys PRO GPS free?

Allys PRO GPS is free to download, with no in-app purchases.

### Do Text to Speech PDF Reader or Allys PRO GPS have ads?

Neither Text to Speech PDF Reader nor Allys PRO GPS shows ads.

### Which is updated more often, Text to Speech PDF Reader or Allys PRO GPS?

Text to Speech PDF Reader ships an update every 10 days, and Allys PRO GPS every 11 months. Most recently, Text to Speech PDF Reader was updated on October 25, 2026 and Allys PRO GPS on October 5, 2026.

---

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