# ZeroZip vs image_to_pdf_app

The clearest difference is in-app purchases: image_to_pdf_app at none against ZeroZip's 1. image_to_pdf_app also leads on update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZeroZip sells 1 one-off in-app purchase. image_to_pdf_app asks for nothing beyond the download.

ZeroZip ships an update every 2 months, image_to_pdf_app every 3 days. The most recent releases landed on September 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ZeroZip | image_to_pdf_app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 28 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [genghong Xie](https://appshunter.io/developer/1785558382) | [Uiseong Joo](https://appshunter.io/developer/1856619043) |

## What reviewers say

### ZeroZip

[App page](https://appshunter.io/ios/app/zerozip/id6755241805)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free | $1.99 | one-time |


### image_to_pdf_app

[App page](https://appshunter.io/ios/app/image-to-pdf-app/id6755830842)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZeroZip free?

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

### Is image_to_pdf_app free?

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

### Do ZeroZip or image_to_pdf_app have ads?

Neither ZeroZip nor image_to_pdf_app shows ads.

### Which is updated more often, ZeroZip or image_to_pdf_app?

ZeroZip ships an update every 2 months, and image_to_pdf_app every 3 days. Most recently, ZeroZip was updated on September 25, 2026 and image_to_pdf_app on October 14, 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.*