# Simple Slide vs PDF2Audio

The clearest difference is in-app purchases: Simple Slide at none against PDF2Audio's 7. Simple Slide also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF2Audio sells 7 in-app purchases, starting at $9.99 per month. Simple Slide asks for nothing beyond the download.

Simple Slide ships an update every 3 weeks, PDF2Audio every 3 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simple Slide | PDF2Audio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 56 MB | 9 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [YUKI TANAIKE](https://appshunter.io/developer/478558546) | [Shaozhuang Chen](https://appshunter.io/developer/1692461668) |

## What reviewers say

### Simple Slide

[App page](https://appshunter.io/ios/app/simple-slide-slide-maker/id6761530970)

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

**In-app purchases:** none


### PDF2Audio

[App page](https://appshunter.io/ios/app/pdf2audio-read-pdfs-aloud/id6762536249)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $9.99 | per month |
| Pro Users | $59.99 | per month |
| Basic Plan | $79.99 | per year |
| Pro Users | $499.99 | per year |
| 100,000 characters | $4.99 | one-time |
| 300,000 characters | $12.99 | one-time |
| 1,000,000 characters | $34.99 | one-time |


## Frequently asked questions

### Is Simple Slide free?

Simple Slide is free to download, with no in-app purchases.

### Is PDF2Audio free?

PDF2Audio is free to download, with in-app purchases available.

### Do Simple Slide or PDF2Audio have ads?

Neither Simple Slide nor PDF2Audio shows ads.

### Which is updated more often, Simple Slide or PDF2Audio?

Simple Slide ships an update every 3 weeks, and PDF2Audio every 3 months. Most recently, Simple Slide was updated on October 25, 2026 and PDF2Audio on October 31, 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.*