# PDF Reader vs WordBox〜Idea〜

The clearest difference is in-app purchases: WordBox〜Idea〜 at none against PDF Reader's 1. WordBox〜Idea〜 also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (13.0 vs 18.1). PDF Reader's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. PDF Reader sells 1 one-off in-app purchase. WordBox〜Idea〜 asks for nothing beyond the download.

PDF Reader ships an update every 3 weeks, WordBox〜Idea〜 every 2 days. The most recent releases landed on June 3, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | PDF Reader | WordBox〜Idea〜 |
| --- | --- | --- |
| 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 | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 47 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) | [Yui Sakamoto](https://appshunter.io/developer/1856050474) |

## 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 |


### WordBox〜Idea〜

[App page](https://appshunter.io/ios/app/wordboxidea/id6755744990)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is WordBox〜Idea〜 free?

WordBox〜Idea〜 is free to download, with no in-app purchases.

### Do PDF Reader or WordBox〜Idea〜 have ads?

WordBox〜Idea〜 shows ads; PDF Reader does not.

### Which is updated more often, PDF Reader or WordBox〜Idea〜?

PDF Reader ships an update every 3 weeks, and WordBox〜Idea〜 every 2 days. Most recently, PDF Reader was updated on June 3, 2026 and WordBox〜Idea〜 on September 12, 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.*