Comparison

3demp vs Bluetooth Scanner・Find Devices

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

Head to head
About

3demp

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오픈소스 하드웨어인 아두이노 보드와 블루투스를 연동한 다양한 콘텐츠들을 제어하기 위한 콘트롤러 입니다. esp32와 와이파이 모듈을 활용한 영상 수신및 컨트롤을 위한제어가 가능합니다.

About

Bluetooth Scanner・Find Devices

Scan for nearby Bluetooth devices, view their signal strength, and inspect their GATT services and characteristics. Rename and revisit past discoveries, with advanced features available via subscription.

Highlights
  • Real-time Bluetooth device scanning
  • Signal strength (RSSI) monitoring
  • GATT services and characteristics inspection
  • Device renaming and history
  • Proximity radar
  • CSV export (subscription)
Features
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The device you need can be broadcasting nearby under a name you do not recognize. Start a scan where you expect it, filter and sort the live devices, then watch its Signal (RSSI) respond as you move. The active list refreshes every half-second with available names, inferred types, manufacturers, and RSSI. A device disappears after 12 seconds without another broadcast, so the list stays centered on the radio environment right now instead of becoming a permanent packet record. Pick one identifier and the radar smooths RSSI into three practical proximity bands: very close, close, and far. If the same identifier is not detected for five seconds, it reports signal lost rather than claiming a direction it never measured. When a peripheral accepts a connection, Services & characteristics shows the GATT structure it actually exposes. Values actually read from characteristics that report read support appear as hexadecimal bytes with printable ASCII when appropriate. Notifications from characteristics that report notify or indicate support can be monitored when the peripheral delivers them. Opening a device from the live list attempts to add or update it in a local list for renaming, revisiting, or deletion; each successful write keeps the 200 most recent records. Scanning is limited to current BLE broadcasts while the app is in the foreground and Bluetooth is powered and authorized. RSSI provides rough proximity guidance, not compass direction, GPS location, or calibrated distance. GATT inspection depends on a compatible, connectable peripheral and is not classic Bluetooth pairing or universal control for every product. Scan history, device naming and revisiting past discoveries are available without upgrading. Deep GATT inspection and radar finding each include one complimentary use. Advanced actions such as writing GATT characteristics and exporting CSV can be unlocked with a subscription. Terms of Use: https://zeroplay.io/docs/legal/terms-of-service Privacy Policy: https://zeroplay.io/docs/legal/privacy-policy

Screenshots

3demp4 screens
Bluetooth Scanner・Find Devices4 screens

Verdict

The call

The clearest difference is in-app purchases: 3demp at none against Bluetooth Scanner・Find Devices's 2. 3demp also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). Bluetooth Scanner・Find Devices's advantage is update cadence (every 2 months vs every 10 months). On price 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

Both are free to download. Bluetooth Scanner・Find Devices sells 2 in-app purchases, starting at $7.99 per 7 days. 3demp asks for nothing beyond the download.

UpkeepUpdate frequency

3demp ships an update every 10 months, Bluetooth Scanner・Find Devices every 2 months. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 5 level
3demp versus Bluetooth Scanner・Find Devices: the parameters behind the verdict, then further details
Parameter3dempBluetooth Scanner・Find Devices
PriceFreeFree
Rating—4.8 (5 ratings) — better
Number of ratings—5 — better
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.1
Further details — not scored
Size15 MB101 MB
Age rating4+4+
DeveloperJang HeesuZeroPlay Ltd.

In-app purchases

None

3demp

No in-app purchases

2 purchases

Bluetooth Scanner・Find Devices

Subscriptions2
  • Weekly3 Days trial$7.997 Days
  • Monthly$19.991 Month

Questions

Is 3demp free?
3demp is free to download, with no in-app purchases.
Is Bluetooth Scanner・Find Devices free?
Bluetooth Scanner・Find Devices is free to download, with in-app purchases available.
Do 3demp or Bluetooth Scanner・Find Devices have ads?
Bluetooth Scanner・Find Devices shows ads; 3demp does not.
Which is updated more often, 3demp or Bluetooth Scanner・Find Devices?
3demp ships an update every 10 months, and Bluetooth Scanner・Find Devices every 2 months. Most recently, 3demp was updated on October 5, 2026 and Bluetooth Scanner・Find Devices on October 16, 2026.

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