# iZip.com vs Sign PDF

The clearest difference is in-app purchases: iZip.com at none against Sign PDF's 3. iZip.com also leads on review sentiment (40% vs 7%) and update cadence (every 3 weeks vs every 69 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Sign PDF sells 3 in-app purchases, starting at $3.99 per 7 days. iZip.com asks for nothing beyond the download.

iZip.com ships an update every 3 weeks, Sign PDF every 69 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iZip.com | Sign PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (40 ratings)](https://appshunter.io/ios/app/izipcom/id461682040/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | **39.7% of reviews** | 7.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 69 months |
| Monetization | Free | Free |
| Size | 2 MB | 3 MB |
| Requires iOS | **5.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iBoostUp Pty Ltd](https://appshunter.io/developer/461682043) | [Matteo Morelli](https://appshunter.io/developer/520803077) |

## What reviewers say

### iZip.com

[App page](https://appshunter.io/ios/app/izipcom/id461682040)

Easily view and manage ZIP, ZIPX, RAR, and 7ZIP files directly on your iOS device. Access password-protected archives without any limitations. All features are available for free.

**Highlights:** View ZIP, ZIPX, RAR, 7ZIP files, Access password-protected archives, Local file processing, No limitations

**Features:** macOS Compatibility

**In-app purchases:** none


### Sign PDF

[App page](https://appshunter.io/ios/app/sign-pdf-scan-and-fill-docs/id979534235)

Easily add your signature to PDF documents using your device. Create signatures by taking a photo, using special fonts, drawing on screen, or importing an image. Export signed documents as PDFs or JPEGs, and print or share them directly.

**Highlights:** Apply signature to PDF, Export as PDF, PDF to JPEG conversion, Print from device, Share via email, Multiple signature creation modes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Firma Pro Weekly | $3.99 | per 7 days |
| Firma Pro Yearly | $22.99 | per year |
| Firma Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is iZip.com free?

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

### Is Sign PDF free?

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

### Do iZip.com or Sign PDF have ads?

Neither iZip.com nor Sign PDF shows ads.

### Which is updated more often, iZip.com or Sign PDF?

iZip.com ships an update every 3 weeks, and Sign PDF every 69 months. Most recently, iZip.com was updated on October 23, 2026 and Sign PDF on October 24, 2026.

---

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