# DuLink vs PV

The clearest difference is update cadence: DuLink at fortnightly against PV's every 6 months. DuLink also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

DuLink ships an update fortnightly, PV every 6 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | DuLink | PV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Size | 61 MB | 59 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dunext Technology Suzhou Co., Ltd.](https://appshunter.io/developer/1891965117) | [Seaward Electronics Ltd.](https://appshunter.io/developer/918496392) |

## What reviewers say

### DuLink

[App page](https://appshunter.io/ios/app/dulink/id6739234591)

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

**In-app purchases:** none


### PV

[App page](https://appshunter.io/ios/app/pv-sync-mobile/id6744293127)

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

**In-app purchases:** none


## Frequently asked questions

### Is DuLink free?

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

### Is PV free?

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

### Do DuLink or PV have ads?

Neither DuLink nor PV shows ads.

### Which is updated more often, DuLink or PV?

DuLink ships an update fortnightly, and PV every 6 months. Most recently, DuLink was updated on September 10, 2026 and PV on September 9, 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.*