# PDF Converter vs Blink

The clearest difference is update cadence: Blink at every 9 days against PDF Converter's every 3 weeks. PDF Converter's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Converter sells 2 in-app purchases, starting at $2.99 per month and Blink sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Converter ships an update every 3 weeks, Blink every 9 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PDF Converter | Blink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 30 MB | 3 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [XIAOYUN.TECH](https://appshunter.io/developer/1575836630) | [荣晖 丁](https://appshunter.io/developer/1455797103) |

## What reviewers say

### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter-file-tools/id6752560738)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月订阅 | $2.99 | per month |
| 年会员 | $9.99 | 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 PDF Converter free?

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

### Is Blink free?

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

### Do PDF Converter or Blink have ads?

Neither PDF Converter nor Blink shows ads.

### Which is updated more often, PDF Converter or Blink?

PDF Converter ships an update every 3 weeks, and Blink every 9 days. Most recently, PDF Converter was updated on October 7, 2026 and Blink on October 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.*