# Link To QR vs PusunString

Link To QR and PusunString are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Link To QR ships an update every 11 days, PusunString weekly. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Link To QR | PusunString |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Size | 31 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Luc Pham Van](https://appshunter.io/developer/1544588097) | [Shenzhen pushang health technology co., LTD](https://appshunter.io/developer/1457679530) |

## What reviewers say

### Link To QR

[App page](https://appshunter.io/ios/app/link-to-qr/id6769719542)

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

**In-app purchases:** none


### PusunString

[App page](https://appshunter.io/ios/app/pusunstring/id6795468568)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Link To QR free?

Link To QR is free to download, with no in-app purchases.

### Is PusunString free?

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

### Do Link To QR or PusunString have ads?

Neither Link To QR nor PusunString shows ads.

### Which is updated more often, Link To QR or PusunString?

Link To QR ships an update every 11 days, and PusunString weekly. Most recently, Link To QR was updated on October 19, 2026 and PusunString 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.*