BLE Spy vs SoundSysId
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLE Spy
This utility allows users to discover, connect to, and interact with Bluetooth Low Energy devices. It offers standard features for browsing services and characteristics, alongside smart capabilities for customizing UUIDs and formatting data with JavaScript.
- Discover BLE devices
- Connect to multiple peripherals
- Browse services and characteristics
- Read and write characteristic values
- Log and export data to CSV
- Customize UUIDs
- Format characteristic data with JavaScript
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A professional utility to examine and control Bluetooth Low Energy devices. Apart from standard features BLE Spy has some unique capabilities in particular for developers. Standard features: • Find all Bluetooth Low Energy devices around you • Sort devices by name or rssi • Connect to multiple peripherals at the same time • Browse services and characteristics • Read and write characteristic values • Register for Notifications, log data and export to CSV Smart features: • Replace vendor specific UUIDs with a descriptive name • Add a description for characteristics • Format characteristic data with JavaScript BLE Spy requires iOS 11.
SoundSysId
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System sound effect viewer. This effects you may use in your app, without any converting or exporting. There's also a code snippet that you may test it in your app.
Screenshots
Verdict
The clearest difference is price: SoundSysId at Free against BLE Spy's $4.99. SoundSysId also leads on update cadence (every 3 months vs every 8 months). BLE Spy's advantage is chart position (#90 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
SoundSysId is free to download; BLE Spy costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
BLE Spy ships an update every 8 months, SoundSysId every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | BLE Spy | SoundSysId |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #90 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Gasche | Slava Plisko |
In-app purchases
BLE Spy
No in-app purchases
SoundSysId
No in-app purchases
