Bluetooth BLE Device Finder vs JustMemo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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*** 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
JustMemo
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화면 속 종이에 아무렇게나 쓰고, 끝에 도달하면 밀어서 다음 장으로. 마음에 안 드는 장은 길게 눌러 끌어 내려 찢어버리는, 종이 메모장의 감각을 그대로 옮긴 메모 앱이에요. ■ 종이 그대로의 감각 · 노트 종이 줄과 손글씨 글씨체로 적힌 그대로의 느낌 · 페이지마다 요일이 자동으로 표시돼요 · 복잡한 메뉴 없이, 켜자마자 바로 쓰기 시작 ■ 밀면 장이 넘어가요 · 아래로 계속 쓰다가 종이 끝을 지나 밀면 다음 장으로 넘어가요 · 위로 밀면 이전 장, 아무렇게나 훑어보며 읽을 수 있어요 ■ 길게 눌러서 찢기 · 찢고 싶은 장을 길게 누른 채 아래로 끌어 내려놓으면 찢어져요 · 찢은 장은 스크랩북에 걸리고, 마음에 안 드는 장은 쓰레기통으로 ■ 스크랩북과 쓰레기통 · 스크랩북: 찢어낸 장들을 모아두고 다시 펴볼 수 있어요 · 쓰레기통: 버린 장은 여기에 잠시 머물러요 · 쓰레기통을 전부 비우면 해당 장과 붙어 있던 사진까지 완전히 사라져요 ■ 사진도 글자처럼 · 글 사이사이에 사진을 바로 넣을 수 있어요 (한 장에 최대 4장) · 사진을 탭하면 뷰어로 크게, 좌우로 쓸면 다른 사진, 손가락을 벌리면 확대돼요 · 붙인 사진만 떼어내는 것도 가능해요 ■ 찾고, 복사하고, 다시 붙이기 · 내용으로 찾기로 필요한 장을 바로 찾아요 · 장 전체 글을 한 번에 복사할 수 있어요 · 찢은 장을 맨 위 페이지로 다시 붙일 수도 있어요 ■ 가볍고, 기기 안에만 · 계정 가입도, 서버 전송도, 광고도 없어요 · 모든 메모와 사진은 기기 안에만 저장돼요 이런 분께 좋아요 · 종이 다이어리와 포스트잇의 감성을 좋아하는 분 · 기능이 많은 노트 앱이 오히려 부담스러운 분 · 사진과 글을 자유롭게 섞어 하루를 기록하고 싶은 분 ※ 메모와 사진은 기기에만 저장되며, 앱을 삭제하면 함께 사라져요. ※ 쓰레기통을 비운 장은 되돌릴 수 없어요. ※ 기기 변경 시 데이터가 자동으로 옮겨지지 않아요.
Screenshots
Verdict
The clearest difference is in-app purchases: JustMemo at none against Bluetooth BLE Device Finder's 4. JustMemo also leads on update cadence (daily vs every 2 months). On price, ads, 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
Both are free to download. Bluetooth BLE Device Finder sells 4 in-app purchases, starting at $3.99 per 7 days. JustMemo asks for nothing beyond the download.
Bluetooth BLE Device Finder ships an update every 2 months, JustMemo daily. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.
| Parameter | Bluetooth BLE Device Finder | JustMemo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (27K ratings) — better | — |
| Positive reviews | 39.0% of reviews | — |
| Number of ratings | 27K — better | — |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 3 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Raymond NG | Hyunwoo Lee |
Bugs and requests
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
JustMemo
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bluetooth BLE Device Finder
- One Week Premium$3.997 Days
- One Month Premium$9.991 Month
- One Year Premium$14.991 Year
- Lifetime Premium$19.99
JustMemo
No in-app purchases
Questions
Is Bluetooth BLE Device Finder free?
Is JustMemo free?
Do Bluetooth BLE Device Finder or JustMemo have ads?
Which is updated more often, Bluetooth BLE Device Finder or JustMemo?
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