# Voice Convert vs PDF Size Reducer

The clearest difference is in-app purchases: Voice Convert at none against PDF Size Reducer's 2. Voice Convert also leads on iOS requirement (15.0 vs 17.0). PDF Size Reducer's advantage is update cadence (every 3 days vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. PDF Size Reducer sells 2 in-app purchases, starting at $9.99 per 7 days. Voice Convert asks for nothing beyond the download.

Voice Convert ships an update weekly, PDF Size Reducer every 3 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Voice Convert | PDF Size Reducer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voice-convert/id6737842077/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | — |
| Size | 126 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [永生 刘](https://appshunter.io/developer/830484999) | [Asil Arslan](https://appshunter.io/developer/1495845191) |

## What reviewers say

### Voice Convert

[App page](https://appshunter.io/ios/app/voice-convert/id6737842077)

This audio processing tool efficiently converts audio and video into text. It supports importing media from various sources and exporting transcripts as SRT files, simplifying multimedia project management and content recording.

**Highlights:** Audio to text conversion, Video to text conversion, Import from files, albums, other apps, SRT file export, Supports iPhone and iPad

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

**In-app purchases:** none


### PDF Size Reducer

[App page](https://appshunter.io/ios/app/pdf-size-reducer-shrink-pdf/id6816163572)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $9.99 | per 7 days |
| Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is Voice Convert free?

Voice Convert is free to download, with no in-app purchases.

### Is PDF Size Reducer free?

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

### Do Voice Convert or PDF Size Reducer have ads?

Neither Voice Convert nor PDF Size Reducer shows ads.

### Which is updated more often, Voice Convert or PDF Size Reducer?

Voice Convert ships an update weekly, and PDF Size Reducer every 3 days. Most recently, Voice Convert was updated on October 24, 2026 and PDF Size Reducer on October 26, 2026.

---

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