# PDF Signature vs Shine Workspace

The clearest difference is in-app purchases: Shine Workspace at none against PDF Signature's 5. Shine Workspace also leads on update cadence (weekly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Signature sells 5 in-app purchases, starting at $4.99 per 7 days. Shine Workspace asks for nothing beyond the download.

PDF Signature ships an update every 4 months, Shine Workspace weekly. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PDF Signature | Shine Workspace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 67 MB | 47 MB |
| Requires iOS | 16.0 | 16 |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CTRL Media LLC](https://appshunter.io/developer/1831019835) | [TXT INTERNATIONAL](https://appshunter.io/developer/6788367669) |

## What reviewers say

### PDF Signature

[App page](https://appshunter.io/ios/app/pdf-signature-esign/id6749543749)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### Shine Workspace

[App page](https://appshunter.io/ios/app/shine-workspace/id6788367667)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Signature free?

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

### Is Shine Workspace free?

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

### Do PDF Signature or Shine Workspace have ads?

Neither PDF Signature nor Shine Workspace shows ads.

### Which is updated more often, PDF Signature or Shine Workspace?

PDF Signature ships an update every 4 months, and Shine Workspace weekly. Most recently, PDF Signature was updated on October 28, 2026 and Shine Workspace on October 9, 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.*