# Voice Expert vs PDF Compressor

The clearest difference is in-app purchases: PDF Compressor at none against Voice Expert's 2. PDF Compressor also leads on update cadence (every 8 days vs every 2 weeks). Voice Expert's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Voice Expert sells 2 in-app purchases, starting at $4.99 per month. PDF Compressor asks for nothing beyond the download.

Voice Expert ships an update every 2 weeks, PDF Compressor every 8 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | Voice Expert | PDF Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/voice-expert/id1579815237/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 5 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文冰 杨](https://appshunter.io/developer/1534090785) | [TAREQ ALHUSAINI](https://appshunter.io/developer/1259393688) |

## What reviewers say

### Voice Expert

[App page](https://appshunter.io/ios/app/voice-expert/id1579815237)

This app transforms your device into a portable audio recorder. It offers high-quality recordings, converts speech to text in many languages, and can also read text aloud. You can even apply fun voice effects to your recordings.

**Highlights:** High quality audio recording, Speech to Text conversion, Text to Speech functionality, Funny voice changing effects, Modern and easy-to-use design

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $4.99 | per month |
| Unlimited access | $39.99 | per year |


### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-reduce-pdf/id6809077494)

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

**In-app purchases:** none


## Frequently asked questions

### Is Voice Expert free?

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

### Is PDF Compressor free?

PDF Compressor is free to download, with no in-app purchases.

### Do Voice Expert or PDF Compressor have ads?

PDF Compressor shows ads; Voice Expert does not.

### Which is updated more often, Voice Expert or PDF Compressor?

Voice Expert ships an update every 2 weeks, and PDF Compressor every 8 days. Most recently, Voice Expert was updated on October 1, 2026 and PDF Compressor on October 1, 2026.

---

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