BlueSpy vs LensGuard
Price, ratings, monetisation and update history for both apps, side by side β 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/
LensGuard
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LensGuard shows nearby AI and smart glasses on your iPhone using Bluetooth. Also on Mac: a menu-bar companion. Your LensGuard Plus purchase works on both. Local-first. No account. No cloud. Your scan list, Trusted list, and history stay on your device. LensGuard is not proof of recording. A cameraβs LED is the tell that a camera is active. Silence in LensGuard does not mean you are safe. Keep watching works only while the app is on screen. It is not a screen-off watch. This version does not use Location. Free β’ Scan list of nearby devices β’ Honest Bluetooth signal rings β’ Trusted list β’ On-device history β’ Headphone tick β’ Keep watching (foreground only) High alerts & widgets β $1.99 once A one-time unlock. No subscription. No trial. β’ High notifications on iPhone β’ Haptics β’ Home Screen and Lock Screen widgets β’ Control Center snooze for High alerts Widgets show your last session. They are not a live scan. Privacy AK Davis Designs does not collect LensGuard data. Purchases are processed by Apple. Privacy: https://akdavisdesigns.com/lensguard/privacy Terms: https://akdavisdesigns.com/lensguard/terms Support: info@akdavisdesigns.com Made by AK Davis Designs.
Screenshots
Verdict
The clearest difference is update cadence: LensGuard at every 3 weeks against BlueSpy's every 17 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. BlueSpy sells 7 in-app purchases, starting at $0.99 per month and LensGuard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
BlueSpy ships an update every 17 months, LensGuard every 3 weeks. The most recent releases landed on October 11, 2026 and October 26, 2026 respectively.
| Parameter | BlueSpy | LensGuard |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 17 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | β |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 849 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Giuseppe Mazzilli | Abram Kai Davis |
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
LensGuard
- High alerts & widgets$1.99









