# Dưỡng sinh vs Viko

The clearest difference is in-app purchases: Dưỡng sinh at none against Viko's 3. Viko's advantage is update cadence (weekly vs every 6 months) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Viko sells 3 in-app purchases, starting at $2.99 per month. Dưỡng sinh asks for nothing beyond the download.

Dưỡng sinh ships an update every 6 months, Viko weekly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Dưỡng sinh | Viko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Size | 13 MB | 45 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [hongmy Dang](https://appshunter.io/developer/1677185334) | [H2Tech](https://appshunter.io/developer/1830983745) |

## What reviewers say

### Dưỡng sinh

[App page](https://appshunter.io/ios/app/duong-sinh/id6446291745)

**Features:** macOS Compatibility

**In-app purchases:** none


### Viko

[App page](https://appshunter.io/ios/app/viko/id6753932320)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gói cơ bản | $2.99 | per month |
| Gói chuyên sâu | $6.99 | per month |
| Gói bổ trợ | $9.99 | per month |


## Frequently asked questions

### Is Dưỡng sinh free?

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

### Is Viko free?

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

### Do Dưỡng sinh or Viko have ads?

Neither Dưỡng sinh nor Viko shows ads.

### Which is updated more often, Dưỡng sinh or Viko?

Dưỡng sinh ships an update every 6 months, and Viko weekly. Most recently, Dưỡng sinh was updated on October 30, 2026 and Viko on October 30, 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.*