# AttenQR vs DuckyStudy

The clearest difference is in-app purchases: DuckyStudy at none against AttenQR's 1. DuckyStudy also leads on ads (none vs shown) and update cadence (every 4 days vs every 9 days). AttenQR's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. AttenQR sells 1 one-off in-app purchase. DuckyStudy asks for nothing beyond the download.

AttenQR ships an update every 9 days, DuckyStudy every 4 days. The most recent releases landed on October 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AttenQR | DuckyStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 39 MB | 70 MB |
| Requires iOS | **15.0** | 16.7 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [JUNTAE J SON](https://appshunter.io/developer/1862957512) | [Chanhee Seo](https://appshunter.io/developer/6788584840) |

## What reviewers say

### AttenQR

[App page](https://appshunter.io/ios/app/attenqr/id6756803918)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $9.99 | one-time |


### DuckyStudy

[App page](https://appshunter.io/ios/app/duckystudy/id6792741639)

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

**In-app purchases:** none


## Frequently asked questions

### Is AttenQR free?

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

### Is DuckyStudy free?

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

### Do AttenQR or DuckyStudy have ads?

AttenQR shows ads; DuckyStudy does not.

### Which is updated more often, AttenQR or DuckyStudy?

AttenQR ships an update every 9 days, and DuckyStudy every 4 days. Most recently, AttenQR was updated on October 28, 2026 and DuckyStudy on October 4, 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.*