# QR Code Inspector vs CryptoDuck

The clearest difference is in-app purchases: QR Code Inspector at none against CryptoDuck's 6. QR Code Inspector also leads on update cadence (every 6 weeks vs every 3 months) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. CryptoDuck sells 6 in-app purchases, starting at $0.99 per month. QR Code Inspector asks for nothing beyond the download.

QR Code Inspector ships an update every 6 weeks, CryptoDuck every 3 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | QR Code Inspector | CryptoDuck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 20 MB | 11 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SSI](https://appshunter.io/developer/1788786420) | [Beijing Baitemi Technology Co., Ltd](https://appshunter.io/developer/1789135443) |

## What reviewers say

### QR Code Inspector

[App page](https://appshunter.io/ios/app/qr-code-inspector/id6740181697)

**Features:** macOS Compatibility

**In-app purchases:** none


### CryptoDuck

[App page](https://appshunter.io/ios/app/cryptoduck-secret-chat/id6740244562)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $7.99 | per year |
| Couple Pack | $0.99 | one-time |
| Emoji Pack | $0.99 | one-time |
| Festival Pack | $0.99 | one-time |
| Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is QR Code Inspector free?

QR Code Inspector is free to download, with no in-app purchases.

### Is CryptoDuck free?

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

### Do QR Code Inspector or CryptoDuck have ads?

Neither QR Code Inspector nor CryptoDuck shows ads.

### Which is updated more often, QR Code Inspector or CryptoDuck?

QR Code Inspector ships an update every 6 weeks, and CryptoDuck every 3 months. Most recently, QR Code Inspector was updated on October 25, 2026 and CryptoDuck on October 28, 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.*