Comparison

SP Voice vs Bluetooth BLE Device Finder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SP Voice

Record high-quality audio discreetly with customizable fake backgrounds and a black screen interface. Control recordings remotely and protect files with a passcode. Supports Apple Watch for seamless operation.

Highlights
  • Discreet recording with fake backgrounds
  • Black screen interface
  • Remote control via Apple Watch
  • Passcode and biometric protection
  • Adjustable audio quality
  • Audio playback and editing
Features
Read full description

Want to record voice memo in highest quality without any notice. This is the app that you need: SP Voice. This is one of the best app for record conversations in any meeting without disturbing other. No need to place in your pocket or beg, place your device close to the source of voice and record, no one know that you are recording the voice. With SP Voice, you can record any audio voice without any UI controls appear while the device shows one of the fake backgrounds. Simulate that you are browsing the web, a blog or showing a still image while recording. Moreover, you can show, transparent, or hide all the UI controls to simulate a real spy experience. Addition, you can wirelessly remote this app via Apple watch. RECORDER • Automatic Mode: automatically do record action and other actions when app launch • Support upside down interface for even better voice recording quality • Highest quality voice recording by placing the device close to the source of voice • Ability to limit audio recording duration • Choose the audio quality between low, medium, high or best • Save recorded files inside app private folder with passcode protection PLAYER & EDITOR • Playback recorded audio at different speed: normal, slow or fast • Built-in audio editor to trim or delete audio data INTERFACE • Screen is completely black to simulate the device is turned off • Fake other people that you're on other activities by using fake backgrounds • Alternative static image slideshow or dynamic rotating clock or interactive web browsing fake backgrounds • Ability to your own image fake background • Dimmed screen with zero brightness in black background • Hideable all UI buttons on the screen • Adjustable the visible of the UI transparency • Make sure you tap the correct button with haptic feedback support PASSCODE • No one can stop your recording by secure the recording and lock all UI buttons with passcode • Support Touch ID and Face ID to unlock passcode • Advanced passcode system can lock recorder UI buttons, lock app access when launch, and lock access recorded audio files ACCESSORIES • Support cable and bluetooth earphone for recording and playback • Wirelessly remote this app via Apple Watch SHARING • Easy sharing from inside the app or use USB cable for iTunes Files Sharing • Direct sharing recorded files to cloud storage

About

Bluetooth BLE Device Finder

Quickly locate misplaced Bluetooth devices using signal strength and a radar interface. Track devices in the background and receive notifications when they are lost, with the last known location recorded on a map.

Highlights
  • Find lost Bluetooth devices
  • Track devices in the background
  • Receive disconnection notifications
  • View last detected time and location
  • Use radar interface for proximity
  • Show signal strength and estimated distance
  • Display BLE device details
Features
Read full description

*** Now you can find your lost Bluetooth device quickly, before its battery runs out! *** This app can help you Find Your Lost AirPods, iPhone, iPad, AirTag, Apple Watch, and many other Bluetooth devices in seconds. Use it when you or your family misplace the device – and save the money you'd otherwise need to spend on a new one! HOW TO USE IT: 1. Run the app. Find and select your lost device in the list. 2. Move around slowly and keep watching the data (i.e., the signal strength and estimated distance) on the radar screen. When you get close to your lost device, the spot will turn red on the radar screen. 3. When the signal strength is over 90 and the estimated distance is 0 - 0.5m, look around. Your device won't be far away! Note: When you try to find your device, please walk slowly and watch the radar carefully. Find your device ASAP, or its battery will run out. Note: Your Bluetooth device must be powered on and within a detectable range. TRACKING FUNCTION: You may enable tracking for devices in the background by turning on the switch next to the device on the list. You will receive a notification when your tracked device is disconnected/lost. The application will ping the tracked devices from time to time and remember the last location and time the device was seen. KEY FEATURES: • Find your lost Bluetooth device (with BLE signal advertising). The app is easy to use! • Track your device constantly in the background with this app. A notification will tell you when your tracked device is 'Lost' (i.e., Disconnected). Also, the last detected time and location will be recorded for you. It's very useful when you’re travelling and want to keep your devices safe. ^ • Find your device using our radar. It's fun! No need to read a manual. ^ • Show hints, signal strength and the estimated distance between you and your lost device to help you find it quickly. ^ • Show the last seen (detected) time and last known location of your lost device on a map. ^ • Show your device's BLE (Bluetooth Low Energy) details such as UUID, RSSI, Services, etc. ^ • The following devices can be found/tracked by this app: - AirPods 1/2/3/4, AirPods Pro 1/2, AirPods Max - AirTag - iPhone 5/6/7/8/X/11/12/13/14/15/16, iPad 3/4/5/6/7/8/9/10/A16, iPad mini 2/3/4/5/6/A17Pro, iPad Air 1/2/3/4/5/M2/M3, iPad Pro 1/2/3/4/5/6/M4, iPod Touch 6/7 - Apple Watch Series 1/2/3/4/5/6/7/8/9/10/SE1/SE2/Ultra1/Ultra2 - Apple Pencil 1/2/Pro - MacBook, MacBook Air, MacBook Pro, iMac, iMac Pro, Mac Pro, Mac Mini, Mac Studio - Microsoft Gear, Band 1 & 2 - Samsung Earbuds, Galaxy Watch - JBL Tune, Vibe, Tour Pro, Charge, Flip 3 - Bellabeat Leaf - Garmin Watches - Many other Bluetooth headphones, earphones, and speakers (e.g. Bose, Sony, Google, Jabra, Logitech, Anker, Sennheiser, Technics, etc.) NOTE: The app can locate any BLE (Bluetooth Low Energy) device that is broadcasting a Bluetooth signal. ^ Requires In-App Purchase. Please contact support if you need help. Thank you! Privacy Policy: http://www.99mobileapp.com/pp.html Terms: http://www.99mobileapp.com/terms/index.html

Screenshots

SP Voice4 screens
Bluetooth BLE Device Finder4 screens

Verdict

The call

The clearest difference is price: Bluetooth BLE Device Finder at Free against SP Voice's $2.99. Bluetooth BLE Device Finder also leads on ratings volume (27K vs 289) and review sentiment (39% vs 26%). SP Voice's advantage is in-app purchases (none vs 4) and iOS requirement (11.0 vs 13.0). On rating, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Bluetooth BLE Device Finder is free to download; SP Voice costs $2.99 up front. Bluetooth BLE Device Finder sells 4 in-app purchases, starting at $3.99 per 7 days. SP Voice asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for SP Voice against 4.4 for Bluetooth BLE Device Finder. That said, the two scores are not equally well evidenced: Bluetooth BLE Device Finder has 27K ratings behind it against 289, so its average is the more settled of the two. Written reviews are what separate them: 26% of SP Voice's written reviews are positive against 39% of Bluetooth BLE Device Finder's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard6 real differences · 4 level
SP Voice versus Bluetooth BLE Device Finder: the parameters behind the verdict, then further details
ParameterSP VoiceBluetooth BLE Device Finder
Price$2.99Free — better
Rating4.4 (289 ratings)4.4 (27K ratings) — better
Positive reviews26.5% of reviews39.0% of reviews — better
Number of ratings28927K — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size20 MB3 MB
Age rating17+4+
DeveloperRatha SouRaymond NG

Customer experience

SP Voice

All ratings287 ratings
Positive84.3%
Neutral4.9%
Negative10.8%
Written reviews34 reviews
Positive26.5%
Neutral5.9%
Negative67.6%

Bluetooth BLE Device Finder

All ratings27,087 ratings
Positive84.1%
Neutral4.3%
Negative11.7%
Written reviews292 reviews
Positive39.0%
Neutral3.4%
Negative57.5%

User reviews

SP Voice

From 289 App Store ratings

What we love

  • 👍 Ease of use
  • ✨ Quality of recordings
  • 💯 No subscription required
  • ✅ Haptic feedback for discreet use

Room to improve

  • ❌ Fails to record
  • ❌ Recordings not accessible
  • ❌ App crashes or freezes
  • ❌ Not truly invisible/stealthy
  • ❌ Blank black screen on launch

Bluetooth BLE Device Finder

From 27K App Store ratings

What we love

  • 🚀 Accurately locates lost devices
  • 👍 Helpful for finding misplaced items
  • 🔍 Effective at tracking Bluetooth signals
  • 💡 Useful for finding lost AirPods, Fitbits, and other Bluetooth devices

Room to improve

  • 💰 Mandatory subscription/premium version required for full functionality
  • 🤔 Difficulty distinguishing between unknown Bluetooth devices
  • 🤷‍♀️ Inconsistent or inaccurate distance/signal strength readings
  • 🙄 Constant prompts to upgrade to premium version

Bugs and requests

SP Voice

Reported bugs

16 issues
  • App does not record
  • Cannot access recordings
  • App not allowing audio playback
  • Orange microphone indicator visible
  • Red indicator around clock visible
Show 11 more
  • App crashes continually
  • App stops recording on its own
  • Cannot click record button
  • Red recording indicator is present
  • Blank black screen on launch
  • Setup icon unresponsive after unlock
  • Lost saved files after reinstall
  • App does not work with latest iPhone update
  • Automatic mode not working
  • Red bar at the top of the screen is visible
  • Background scrolls back to 'None'

Requested features

9 requests
  • Provide support for forgotten codes/passcodes
  • Allow audio playback of previously recorded audio
  • Update to fix glitches preventing audio access
  • Ensure recordings continue even when timer rings
  • Add option to save recordings as .mp3
Show 4 more
  • Clarify recording duration limits
  • Provide warning for low memory during recording
  • Ensure data is saved when memory runs out
  • Fix recorded time display for over 1 hour

Bluetooth BLE Device Finder

Reported bugs

3 issues
  • Unable to detect certain Bluetooth devices like Apple Pencil
  • App crashes or freezes on some devices
  • Persistent pairing requests from unknown devices

Requested features

4 requests
  • Ability to name/label Bluetooth devices
  • Option to use feet/yards instead of meters
  • Improved device filtering and organization
  • More precise tracking and direction indicators

In-app purchases

None

SP Voice

No in-app purchases

4 purchases

Bluetooth BLE Device Finder

Subscriptions3
  • One Week Premium$3.997 Days
  • One Month Premium$9.991 Month
  • One Year Premium$14.991 Year
One-time1
  • Lifetime Premium$19.99

Questions

Is SP Voice free?
SP Voice costs $2.99, with no in-app purchases.
Is Bluetooth BLE Device Finder free?
Bluetooth BLE Device Finder is free to download, with in-app purchases available.
Which has better reviews, SP Voice or Bluetooth BLE Device Finder?
Bluetooth BLE Device Finder is rated higher. SP Voice averages 4.4 out of 5 from 289 ratings, while Bluetooth BLE Device Finder averages 4.4 from 27K ratings.
Do SP Voice or Bluetooth BLE Device Finder have ads?
Neither SP Voice nor Bluetooth BLE Device Finder shows ads.
Which is updated more often, SP Voice or Bluetooth BLE Device Finder?
SP Voice ships an update every 2 months, and Bluetooth BLE Device Finder every 2 months. Most recently, SP Voice was updated on October 24, 2026 and Bluetooth BLE Device Finder on October 26, 2026.

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