# PDF Compressor vs Text to Speech

The clearest difference is iOS requirement: Text to Speech at 15.5 against PDF Compressor's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Compressor sells 4 in-app purchases, starting at $5.99 per 7 days and Text to Speech sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PDF Compressor ships an update fortnightly, Text to Speech every 3 weeks. The most recent releases landed on October 6, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Text to Speech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 46 MB | 92 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Zahid Hussain](https://appshunter.io/developer/1825488742) | [Afex digital llc](https://appshunter.io/developer/6788796164) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-merge-split/id6748366278)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $5.99 | per 7 days |
| Monthly Plan | $12.99 | per month |
| Yearly Plan | $24.99 | per year |
| Yearly Trial Plan | $29.99 | per year |


### Text to Speech

[App page](https://appshunter.io/ios/app/text-to-speech-tts-reader/id6794622148)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | one-time |
| yearly | $14.99 | one-time |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Text to Speech free?

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

### Do PDF Compressor or Text to Speech have ads?

Both PDF Compressor and Text to Speech show ads.

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

PDF Compressor ships an update fortnightly, and Text to Speech every 3 weeks. Most recently, PDF Compressor was updated on October 6, 2026 and Text to Speech on October 29, 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.*