# 绵羊睡眠（健康版） vs Veetra

The clearest difference is update cadence: Veetra at fortnightly against 绵羊睡眠（健康版）'s every 4 months. 绵羊睡眠（健康版）'s advantage is iOS requirement (11.0 vs 15.0). 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.

绵羊睡眠（健康版） ships an update every 4 months, Veetra fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 绵羊睡眠（健康版） | Veetra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/veetra/id6745200092/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 40 MB | 55 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Shanghai Meisi Medical Technology Co.Ltd.](https://appshunter.io/developer/1036032222) | [Shanghai Naoyun Technology Co., Ltd](https://appshunter.io/developer/1811261541) |

## What reviewers say

### 绵羊睡眠（健康版）

[App page](https://appshunter.io/ios/app/id1562814398)

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

**In-app purchases:** none


### Veetra

[App page](https://appshunter.io/ios/app/veetra/id6745200092)

Train your brain with fun games and scientific methods to enhance focus, sharpness, relaxation, and calmness. Real-time feedback and unique brainwave interactions help you achieve optimal mental states for productivity and well-being.

**Highlights:** Focus and relaxation training games, Real-time brainwave monitoring, Brainwave-controlled app interaction, Hi-Res Audio and ANC earbuds, Cognitive challenges (Dual-N-BACK), Productivity and well-being enhancement

**In-app purchases:** none


## Frequently asked questions

### Is 绵羊睡眠（健康版） free?

绵羊睡眠（健康版） is free to download, with no in-app purchases.

### Is Veetra free?

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

### Do 绵羊睡眠（健康版） or Veetra have ads?

Neither 绵羊睡眠（健康版） nor Veetra shows ads.

### Which is updated more often, 绵羊睡眠（健康版） or Veetra?

绵羊睡眠（健康版） ships an update every 4 months, and Veetra fortnightly. Most recently, 绵羊睡眠（健康版） was updated on October 25, 2026 and Veetra on October 24, 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.*