Comparison

Twixl Viewer Classic vs Bluetooth Sleuth

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

Head to head
About

Twixl Viewer Classic

Features
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The Twixl Viewer Classic allows you to preview interactive and enriched content created on your computer with Adobe InDesign® and the Twixl Publisher plug-in. After creating a publication, a designer can push the content to this app from the Twixl Publisher plug-in. How it works: When you have created an interactive publication using InDesign and the Twixl Publisher plug-in, the "Preview on device" option in the plug-in allows you to generate a preview of your publication, and send it to an iPad connected to the local network. Open this "Twixl Viewer" app on your device, then enter the IP address listed in the top right corner of the app window in the Preview Settings of the Twixl Publisher Palette.

About

Bluetooth Sleuth

This utility allows users to deeply interact with their device's Bluetooth capabilities. It supports scanning for peripherals, advertising custom services, broadcasting and ranging iBeacons, and searching a comprehensive Bluetooth database.

Highlights
  • Configure custom Bluetooth advertisements
  • Scan for specific or all advertising devices
  • Connect to and browse peripheral services
  • Broadcast and range iBeacons
  • Search Bluetooth assigned numbers database
  • Monitor RSSI values with graphing
Features
Read full description

Bluetooth Sleuth is meant to be a well rounded app for interacting with your iOS or supported macOS device's Bluetooth functionality. This includes advertising and scanning for peripherals, as well as broadcasting, monitoring, and ranging iBeacons. The following covers some of the features included in Bluetooth Sleuth: [ADVERTISE] - Ability to configure an advertisement with your device - Create custom services, with their own characteristics and descriptors to advertise - Automatically saves custom services for later reuse [SCAN] - Ability to scan for all advertising devices within range - Ability to scan for specific advertisements that contain the provided CoreBluetooth UUID - Displays all peripherals, sorted by RSSI, with the ability to connect to devices that are open to connections - Browse a peripheral's services, characteristics, and descriptors - Monitor recent peripheral RSSI values with included graphing tools - Ability to automatically reconnect to a previously connected peripheral - Filter results to require names, ability to connect or minimum RSSI value [SEARCH] - Search through over 5,000 records in the Bluetooth database of assigned numbers for companies, services, characteristics and other related values [BROADCAST] - Configure your device to act as an iBeacon by providing it with a UUID, and optional major and minor values [RANGE] - Observe for the presence of any iBeacons broadcasting with the values you provide - See device information for any iBeacons located - Monitor recent iBeacon RSSI values with included graphing tools [MONITOR] - Observe region updates for any iBeacons broadcasting with the values you provide

Screenshots

Twixl Viewer Classic3 screens
Bluetooth Sleuth4 screens

Verdict

The call

The clearest difference is price: Twixl Viewer Classic at Free against Bluetooth Sleuth's $0.99. Twixl Viewer Classic also leads on update cadence (every 3 weeks vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

Twixl Viewer Classic is free to download; Bluetooth Sleuth costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Twixl Viewer Classic ships an update every 3 weeks, Bluetooth Sleuth every 2 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 7 level
Twixl Viewer Classic versus Bluetooth Sleuth: the parameters behind the verdict, then further details
ParameterTwixl Viewer ClassicBluetooth Sleuth
PriceFree — better$0.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size32 MB3 MB
Age rating4+4+
DeveloperTwixl mediaSean McNeil

In-app purchases

None

Twixl Viewer Classic

No in-app purchases

None

Bluetooth Sleuth

No in-app purchases

Questions

Is Twixl Viewer Classic free?
Twixl Viewer Classic is free to download, with no in-app purchases.
Is Bluetooth Sleuth free?
Bluetooth Sleuth costs $0.99, with no in-app purchases.
Do Twixl Viewer Classic or Bluetooth Sleuth have ads?
Neither Twixl Viewer Classic nor Bluetooth Sleuth shows ads.
Which is updated more often, Twixl Viewer Classic or Bluetooth Sleuth?
Twixl Viewer Classic ships an update every 3 weeks, and Bluetooth Sleuth every 2 months. Most recently, Twixl Viewer Classic was updated on October 4, 2026 and Bluetooth Sleuth on September 30, 2026.

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