# BlueSpy vs YIZE MASTER

The clearest difference is in-app purchases: YIZE MASTER at none against BlueSpy's 7. YIZE MASTER also leads on iOS requirement (13.0 vs 16.0). BlueSpy's advantage is update cadence (fortnightly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. BlueSpy sells 7 in-app purchases, starting at $0.99 per month. YIZE MASTER asks for nothing beyond the download.

BlueSpy ships an update fortnightly, YIZE MASTER monthly. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | BlueSpy | YIZE MASTER |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 51 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Giuseppe Mazzilli](https://appshunter.io/developer/1593372985) | [Zhejiang Yize International Trade Co., Ltd.](https://appshunter.io/developer/1771284040) |

## What reviewers say

### BlueSpy

[App page](https://appshunter.io/ios/app/bluespy/id6451215731)

This tool allows you to inspect, read, and write data with Bluetooth Low Energy devices. Explore device capabilities, analyze behavior, and understand security levels through real-time scanning and interactive features.

**Highlights:** Scan nearby BLE devices in real-time, Sort and filter peripherals, Identify device types and models, Read and write peripheral data, Explore communication logs, Configure custom settings

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze Membership | $0.99 | per month |
| Gold Membership | $3.99 | per month |
| Platinum Membership | $4.99 | per month |
| Characteristic Write Feature | $0.99 | one-time |
| 1-Year Subscription | $3.99 | one-time |
| 2-Year Subscription | $6.99 | one-time |
| 3-Year Subscription | $8.99 | one-time |


### YIZE MASTER

[App page](https://appshunter.io/ios/app/yize-master/id6736857471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BlueSpy free?

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

### Is YIZE MASTER free?

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

### Do BlueSpy or YIZE MASTER have ads?

Neither BlueSpy nor YIZE MASTER shows ads.

### Which is updated more often, BlueSpy or YIZE MASTER?

BlueSpy ships an update fortnightly, and YIZE MASTER monthly. Most recently, BlueSpy was updated on September 8, 2026 and YIZE MASTER on September 16, 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.*