BlueSpy vs YIZE MASTER
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
BlueSpy
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.
- 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
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BlueSpy is the next generation BLE peripheral analyzer tool that allow you to inspect, read and write data with virtually any device capable of communicate with Bluetooth Low Energy standard and GATT profile. BlueSpy is an experimental tool that let you explore the capabilities of your nearby bluetooth devices and interact with them so that you can use it to: debug, analyze, measure or reverse engineering in the attempt to better understand their behaviour and their security level. BlueSpy is mostly a free tool, but in the effort to maintain and evolve it some features will only be availables under in-app purchase. Key Features: - Scan nearby device and return advertisment data in realtime. - Sort peripherals by name, identifier and signal strength. - Filter scanned peripherals. - Identify device type and model based on expandable knowledge base. - Read peripheral services, characteristics and descriptors. - Write data to peripheral characteristics. - Explore logs for any communication between BlueSpy and your BLE devices. - Configure custom settings like auto-notification, auto-remove unreachable peripherals, stop scan on idle, and more. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
YIZE MASTER
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1. Relearn tire pressure 2. Perform OBD diagnosis on the vehicle
Screenshots
Verdict
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.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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.
| Parameter | BlueSpy | YIZE MASTER |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Fortnightly โ better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Monetization | Free with in-app purchases | โ |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 4 MB | 51 MB |
| Age rating | 4+ | 17+ |
| Developer | Giuseppe Mazzilli | Zhejiang Yize International Trade Co., Ltd. |
In-app purchases
BlueSpy
- Bronze Membership$0.991 Month
- Gold Membership$3.991 Month
- Platinum Membership$4.991 Month
- Characteristic Write Feature$0.99
- 1-Year Subscription$3.99
- 2-Year Subscription$6.99
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- 3-Year Subscription$8.99
YIZE MASTER
No in-app purchases









