# PDF Reader vs Cacatua

The clearest difference is update cadence: Cacatua at every 2 days against PDF Reader's every 3 weeks. Cacatua also leads on iOS requirement (13.0 vs 18.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader sells 1 one-off in-app purchase and Cacatua sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Reader ships an update every 3 weeks, Cacatua every 2 days. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PDF Reader | Cacatua |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-reader-text-to-speech/id6739147199/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 84 MB |
| Requires iOS | 18.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Morgan Zellers](https://appshunter.io/developer/1651985906) | [Guillermo Nimubona Castrillo](https://appshunter.io/developer/1612441140) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-text-to-speech/id6739147199)

Transform PDF documents into natural-sounding audio. Listen to reports, academic papers, or any text while on the go, exercising, or multitasking. Enjoy customizable voices and a distraction-free interface to maximize your reading time.

**Highlights:** PDF to audio conversion, Local text-to-speech with natural voices, Customizable voice selection, Playback controls, English language with accent options, Distraction-free interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $4.99 | one-time |


### Cacatua

[App page](https://appshunter.io/ios/app/cacatua-never-write-again/id6760267629)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cacatua Pro | $12.99 | per month |
| Cacatua Pro | $99.99 | per year |


## Frequently asked questions

### Is PDF Reader free?

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

### Is Cacatua free?

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

### Do PDF Reader or Cacatua have ads?

Neither PDF Reader nor Cacatua shows ads.

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

PDF Reader ships an update every 3 weeks, and Cacatua every 2 days. Most recently, PDF Reader was updated on October 5, 2026 and Cacatua on September 30, 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.*