# PV vs QB Code

The clearest difference is update cadence: PV at monthly against QB Code's every 9 months. PV also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

PV ships an update monthly, QB Code every 9 months. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PV | QB Code |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Monthly** | Every 9 months |
| Size | 46 MB | 36 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [汎宇能源科技股份有限公司](https://appshunter.io/developer/1686067953) | [zhihao zheng](https://appshunter.io/developer/1713124938) |

## What reviewers say

### PV

[App page](https://appshunter.io/ios/app/pv-eye/id1311145797)

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

**In-app purchases:** none


### QB Code

[App page](https://appshunter.io/ios/app/qb-code/id6470183234)

**In-app purchases:** none


## Frequently asked questions

### Is PV free?

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

### Is QB Code free?

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

### Which is updated more often, PV or QB Code?

PV ships an update monthly, and QB Code every 9 months. Most recently, PV was updated on September 15, 2026 and QB Code on September 10, 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.*