# Hydra vs QR Reader：QR Code Reader

The clearest difference is in-app purchases: Hydra at none against QR Reader：QR Code Reader's 6. Hydra also leads on ads (none vs shown). QR Reader：QR Code Reader's advantage is update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. QR Reader：QR Code Reader sells 6 in-app purchases, starting at $0.99 per 7 days. Hydra asks for nothing beyond the download.

Hydra ships an update every 2 months, QR Reader：QR Code Reader every 2 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Hydra | QR Reader：QR Code Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 53 MB | 51 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GoApp s.r.l.](https://appshunter.io/developer/435482060) | [宝锋 吴](https://appshunter.io/developer/1639886745) |

## What reviewers say

### Hydra

[App page](https://appshunter.io/ios/app/hydra/id1465392538)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Reader：QR Code Reader

[App page](https://appshunter.io/ios/app/qr-readerqr-code-reader/id6446920873)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Code Reader+（Week Plan） | $0.99 | per 7 days |
| QR Code Reader+（Month Special） | $1.99 | per month |
| QR Code Reader+（Month Plan） | $2.99 | per month |
| QR Code Reader+（Year Special） | $2.99 | per year |
| QR Code Reader+（Year Plan） | $3.99 | per year |
| QR Code Reader Pro | $6.99 | one-time |


## Frequently asked questions

### Is Hydra free?

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

### Is QR Reader：QR Code Reader free?

QR Reader：QR Code Reader is free to download, with in-app purchases available.

### Do Hydra or QR Reader：QR Code Reader have ads?

QR Reader：QR Code Reader shows ads; Hydra does not.

### Which is updated more often, Hydra or QR Reader：QR Code Reader?

Hydra ships an update every 2 months, and QR Reader：QR Code Reader every 2 weeks. Most recently, Hydra was updated on October 7, 2026 and QR Reader：QR Code Reader on October 2, 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.*