# QR code reader for PDF scanner vs Darksy

The clearest difference is ads: Darksy at none against QR code reader for PDF scanner's shown. Darksy also leads on update cadence (every 3 weeks vs every 13 months). QR code reader for PDF scanner's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price and in-app purchases there is nothing between them.

Both are free to download. QR code reader for PDF scanner sells 1 one-off in-app purchase and Darksy sells 13 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

QR code reader for PDF scanner ships an update every 13 months, Darksy every 3 weeks. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | QR code reader for PDF scanner | Darksy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (6.7K ratings)](https://appshunter.io/ios/app/darksy-smart-storage-cleaner/id1586862022/reviews)** |
| Number of ratings | — | **6.7K** |
| Positive reviews | — | 22.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 124 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maria Melero Gonzalez Barandiaran](https://appshunter.io/developer/1342106159) | [Darksy OU](https://appshunter.io/developer/1634380548) |

## What reviewers say

### QR code reader for PDF scanner

[App page](https://appshunter.io/ios/app/qr-code-reader-for-pdf-scanner/id1342106160)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Darksy

[App page](https://appshunter.io/ios/app/darksy-smart-storage-cleaner/id1586862022)

This app helps you free up storage space by deleting duplicate photos, screenshots, and videos. It also organizes your contacts, compresses videos, and offers privacy features. Additionally, it provides battery saving tips and charging animations.

**Highlights:** Delete similar photos and videos, Organize and merge contacts, One-click smart cleaning, Save battery life tips, Protect privacy with secret vault, Video compression, Backup contacts

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Extra Trial | $4.99 | per 7 days |
| Darksy Cleaner Full access | $5.99 | per 7 days |
| Darksy Cleaner Full access | $6.99 | per 7 days |
| Darksy Cleaner Full access | $7.99 | per 7 days |
| Darksy Cleaner Full access | $8.99 | per 7 days |
| Darksy Premium Access | $11.99 | per month |
| Darksy Cleaner Full access | $14.99 | per month |
| Darksy Cleaner Full access | $16.99 | per month |
| Darksy Cleaner Full access | $19.99 | per month |
| Darksy Cleaner Full access | $24.99 | per 3 months |
| Darksy Cleaner Full access | $39.99 | per year |
| Annual service | $44.99 | per year |
| Darksy Cleaner Full access | $49.99 | per year |

**What reviewers like**

- 👍 Helpful
- 💡 Useful app
- 🚀 Works well

**What reviewers complain about**

- 🐛 Doesn't work as advertised
- 💰 Expensive
- 🔒 Hard to cancel subscription
- 🗑️ Useless
- ⚠️ Deceptive advertising

**Reported bugs**

- Doesn't delete duplicate files
- Slow performance
- Incompatible with some devices

**Requested features**

- Clearer instructions for new users
- Free trial or limited free version
- Better subscription management


## Frequently asked questions

### Is QR code reader for PDF scanner free?

QR code reader for PDF scanner is free to download, with in-app purchases available.

### Is Darksy free?

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

### Do QR code reader for PDF scanner or Darksy have ads?

QR code reader for PDF scanner shows ads; Darksy does not.

### Which is updated more often, QR code reader for PDF scanner or Darksy?

QR code reader for PDF scanner ships an update every 13 months, and Darksy every 3 weeks. Most recently, QR code reader for PDF scanner was updated on October 10, 2026 and Darksy on October 16, 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.*