# 血氧伴侣 vs 专业指南针

The clearest difference is rating: 血氧伴侣 at 5.0 against 专业指南针's 4.2. 血氧伴侣 also leads on iOS requirement (12.0 vs 15). 专业指南针's advantage is monetization model (freemium vs subscription) and device support. On price, ratings volume and in-app purchases there is nothing between them.

Both are free to download. 血氧伴侣 sells 3 in-app purchases, starting at $9.99 per month and 专业指南针 sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

血氧伴侣 holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

## The numbers

| Metric | 血氧伴侣 | 专业指南针 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/and/id6477342942/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/gps/id6752315093/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 4 days |
| Monetization | Subscription | **Freemium** |
| Size | 36 MB | 43 MB |
| Requires iOS | **12.0** | 15 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [鑫涛 刘](https://appshunter.io/developer/1718331747) | [Hutui tech](https://appshunter.io/developer/1814030829) |

## What reviewers say

### 血氧伴侣

[App page](https://appshunter.io/ios/app/and/id6477342942)

This app helps users monitor and manage their blood sugar levels with visual charts and historical data tracking. It aims to support users in maintaining their health by providing accurate and intuitive data. Stay informed about your blood sugar status anytime, anywhere.

**Highlights:** Blood sugar monitoring, Visual chart analysis, Historical data logging, Health trend understanding, Long-term health tracking

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $9.99 | per month |
| 季度会员 | $29.99 | per 3 months |
| 年度会员 | $39.99 | per year |


### 专业指南针

[App page](https://appshunter.io/ios/app/gps/id6752315093)

This app offers precise directional guidance and location services, featuring a high-accuracy compass, altitude, and coordinate display. It also includes a smart level tool, real-time weather updates, and a camera that adds location-based watermarks to photos.

**Highlights:** High-accuracy electronic compass, Altitude and coordinate display, Smart level tool, Real-time weather information, Watermark camera with location data, Outdoor navigation and life assistant

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 立即使用专业指南针 | $6.99 | per 7 days |
| 立即使用 | $6.99 | per 7 days |
| 立即使用 | $6.99 | per 7 days |
| 立即使用专业指南针 | $29.99 | per year |


## Frequently asked questions

### Is 血氧伴侣 free?

血氧伴侣 is free to download, with in-app purchases available.

### Is 专业指南针 free?

专业指南针 is free to download, with in-app purchases available.

### Which has better reviews, 血氧伴侣 or 专业指南针?

血氧伴侣 is rated higher. 血氧伴侣 averages 5.0 out of 5 from 2 ratings, while 专业指南针 averages 4.2 from 5 ratings.

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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.*