# Document Scanner And PDF vs Blink

The clearest difference is ads: Blink at none against Document Scanner And PDF's shown. Blink also leads on update cadence (every 9 days vs every 2 months). Document Scanner And PDF's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Document Scanner And PDF sells 3 in-app purchases, starting at $4.49 per month and Blink sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Document Scanner And PDF ships an update every 2 months, Blink every 9 days. The most recent releases landed on September 27, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Document Scanner And PDF | Blink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 26 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yalintech](https://appshunter.io/developer/1530568426) | [荣晖 丁](https://appshunter.io/developer/1455797103) |

## What reviewers say

### Document Scanner And PDF

[App page](https://appshunter.io/ios/app/document-scanner-and-pdf/id1636116919)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.49 | per month |
| Yearly Subscription | $7.49 | per year |
| One time purchase | $10.99 | one-time |


### Blink

[App page](https://appshunter.io/ios/app/blink-morse-code-flashlight/id6762320826)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blink Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is Document Scanner And PDF free?

Document Scanner And PDF is free to download, with in-app purchases available.

### Is Blink free?

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

### Do Document Scanner And PDF or Blink have ads?

Document Scanner And PDF shows ads; Blink does not.

### Which is updated more often, Document Scanner And PDF or Blink?

Document Scanner And PDF ships an update every 2 months, and Blink every 9 days. Most recently, Document Scanner And PDF was updated on September 27, 2026 and Blink on September 21, 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.*