# 吾儿安安 vs Driftless Vitals

The clearest difference is in-app purchases: Driftless Vitals at none against 吾儿安安's 3. 吾儿安安's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 吾儿安安 sells 3 in-app purchases, starting at $2.99 per month. Driftless Vitals asks for nothing beyond the download.

吾儿安安 ships an update every 2 weeks, Driftless Vitals every 6 weeks. The most recent releases landed on October 28, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 吾儿安安 | Driftless Vitals |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 163 MB | 24 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 17+ |
| Developer | [PlanetA](https://appshunter.io/developer/1802323423) | [Andrey Sapunov](https://appshunter.io/developer/510128268) |

## What reviewers say

### 吾儿安安

[App page](https://appshunter.io/ios/app/ai/id6743338692)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $2.99 | per month |
| 年会员 | $24.99 | per year |
| 永久会员 | $19.99 | one-time |


### Driftless Vitals

[App page](https://appshunter.io/ios/app/driftless-vitals/id6777509854)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 吾儿安安 free?

吾儿安安 is free to download, with in-app purchases available.

### Is Driftless Vitals free?

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

### Do 吾儿安安 or Driftless Vitals have ads?

Neither 吾儿安安 nor Driftless Vitals shows ads.

### Which is updated more often, 吾儿安安 or Driftless Vitals?

吾儿安安 ships an update every 2 weeks, and Driftless Vitals every 6 weeks. Most recently, 吾儿安安 was updated on October 28, 2026 and Driftless Vitals on November 1, 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.*