# 量易伏 vs HelloBlue

The clearest difference is in-app purchases: 量易伏 at none against HelloBlue's 4. 量易伏 also leads on iOS requirement (12.0 vs 16.0). HelloBlue's advantage is review sentiment (100% vs 80%) and update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. HelloBlue sells 4 in-app purchases, starting at $0.99 per 7 days. 量易伏 asks for nothing beyond the download.

量易伏 ships an update every 3 weeks, HelloBlue weekly. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 量易伏 | HelloBlue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/helloblue-bluetooth-debugger/id6766489420/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 24 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Baidu Online Internet Service (Beijing) Co., Ltd](https://appshunter.io/developer/659274816) | [英 陈](https://appshunter.io/developer/1894194353) |

## What reviewers say

### 量易伏

[App page](https://appshunter.io/ios/app/id1606494282)

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

**In-app purchases:** none


### HelloBlue

[App page](https://appshunter.io/ios/app/helloblue-bluetooth-debugger/id6766489420)

This tool streamlines Bluetooth Low Energy device debugging. It allows users to scan, inspect GATT services, exchange data in real-time, and automate testing sequences. Capture and export logs for detailed analysis.

**Highlights:** Scan and identify BLE devices, Inspect GATT services and characteristics, Read and monitor characteristic values live, Send and receive messages in real-time, Automate repetitive testing sequences, Capture and export logs

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Subscription | $0.99 | per 7 days |
| Month Subscription | $2.99 | per month |
| Year Subscription | $9.99 | per year |
| Lifetime Subscription | $24.99 | one-time |


## Frequently asked questions

### Is 量易伏 free?

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

### Is HelloBlue free?

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

### Do 量易伏 or HelloBlue have ads?

Neither 量易伏 nor HelloBlue shows ads.

### Which is updated more often, 量易伏 or HelloBlue?

量易伏 ships an update every 3 weeks, and HelloBlue weekly. Most recently, 量易伏 was updated on October 15, 2026 and HelloBlue on October 31, 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.*