# 北斗车联网 vs Smart Breathing Trainer

The clearest difference is update cadence: Smart Breathing Trainer at every 4 days against 北斗车联网's every 16 months. 北斗车联网's advantage is iOS requirement (8.0 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.

北斗车联网 ships an update every 16 months, Smart Breathing Trainer every 4 days. The most recent releases landed on September 9, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | 北斗车联网 | Smart Breathing Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 4 days** |
| Size | 50 MB | 51 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Shenzhen Beidou Automobile Network Technology Co., Ltd..](https://appshunter.io/developer/1467841357) | [广州鹤和健康科技有限公司](https://appshunter.io/developer/1835622354) |

## What reviewers say

### 北斗车联网

[App page](https://appshunter.io/ios/app/id1374691663)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Breathing Trainer

[App page](https://appshunter.io/ios/app/smart-breathing-trainer/id6751532075)

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

**In-app purchases:** none


## Frequently asked questions

### Is 北斗车联网 free?

北斗车联网 is free to download, with no in-app purchases.

### Is Smart Breathing Trainer free?

Smart Breathing Trainer is free to download, with no in-app purchases.

### Do 北斗车联网 or Smart Breathing Trainer have ads?

Neither 北斗车联网 nor Smart Breathing Trainer shows ads.

### Which is updated more often, 北斗车联网 or Smart Breathing Trainer?

北斗车联网 ships an update every 16 months, and Smart Breathing Trainer every 4 days. Most recently, 北斗车联网 was updated on September 9, 2026 and Smart Breathing Trainer on August 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*