# VALWIN Pro vs Dozio

The clearest difference is ads: VALWIN Pro at none against Dozio's shown. VALWIN Pro also leads on iOS requirement (13.0 vs 15.0). Dozio's advantage is update cadence (daily vs every 6 weeks). On price, 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.

VALWIN Pro ships an update every 6 weeks, Dozio daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | VALWIN Pro | Dozio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 52 MB | 62 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Valwin](https://appshunter.io/developer/953034852) | [HYEBIN KANG](https://appshunter.io/developer/6788636348) |

## What reviewers say

### VALWIN Pro

[App page](https://appshunter.io/ios/app/valwin-pro/id1551779218)

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

**In-app purchases:** none


### Dozio

[App page](https://appshunter.io/ios/app/dozio-sleep-sounds/id6793555437)

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

**In-app purchases:** none


## Frequently asked questions

### Is VALWIN Pro free?

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

### Is Dozio free?

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

### Do VALWIN Pro or Dozio have ads?

Dozio shows ads; VALWIN Pro does not.

### Which is updated more often, VALWIN Pro or Dozio?

VALWIN Pro ships an update every 6 weeks, and Dozio daily. Most recently, VALWIN Pro was updated on November 3, 2026 and Dozio on October 31, 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.*