# Sign PDF & PDF Editor vs PDF Tools

The clearest difference is update cadence: PDF Tools at every 4 days against Sign PDF & PDF Editor's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sign PDF & PDF Editor sells 1 one-off in-app purchase and PDF Tools sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Sign PDF & PDF Editor ships an update every 5 weeks, PDF Tools every 4 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Sign PDF & PDF Editor | PDF Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 14 MB | 46 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arima Jain](https://appshunter.io/developer/1679158070) | [少泽 梁](https://appshunter.io/developer/897112791) |

## What reviewers say

### Sign PDF & PDF Editor

[App page](https://appshunter.io/ios/app/sign-pdf-and-pdf-editor-dochero/id6781691509)

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $3.99 | one-time |


### PDF Tools

[App page](https://appshunter.io/ios/app/pdf-tools-split-merge-comp/id6787011787)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month VIP | $2.99 | per month |
| One-year membership | $4.99 | per year |
| Permanent VIP | $12.99 | one-time |


## Frequently asked questions

### Is Sign PDF & PDF Editor free?

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

### Is PDF Tools free?

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

### Do Sign PDF & PDF Editor or PDF Tools have ads?

Both Sign PDF & PDF Editor and PDF Tools show ads.

### Which is updated more often, Sign PDF & PDF Editor or PDF Tools?

Sign PDF & PDF Editor ships an update every 5 weeks, and PDF Tools every 4 days. Most recently, Sign PDF & PDF Editor was updated on November 5, 2026 and PDF Tools on November 5, 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.*