Comparison

diBlue vs Flight Times Recorder

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

Head to head
About

diBlue

This utility app connects to compatible Bluetooth Low Energy devices and DSD TECH relay modules. It allows users to discover devices, send and receive text or HEX data, and control relay modules. The interface supports multiple languages and stores all data locally without requiring an account or displaying ads.

Highlights
  • Discover and organize BLE devices
  • Send and receive Text or HEX data
  • Repeat commands at intervals
  • Control DSD TECH relay modules
  • Multi-language interface
  • Local data storage
  • Ad-free experience
Features
Read full description

DSD TECH Bluetooth is now diBlue. Version 2.4 updates the same app under its new name; existing users can update their current installation. diBlue is a practical workspace for compatible Bluetooth Low Energy devices and DSD TECH relay modules. Discover devices, exchange Text or HEX data and keep frequently used commands close at hand. FIND AND ORGANIZE DEVICES - Scan nearby BLE devices and view their names and signal strength. - Save favorites and assign local aliases without changing the hardware name. - Switch between All and Favorites, view device details and choose a device type. - Copy a device's iOS UUID from its details. This identifier is not its hardware MAC address. - Hide unrelated devices from discovery results and restore them from Settings when needed. SEND COMMANDS AND REUSE YOUR WORK - Send and receive Text or HEX data. - Send once or repeat at a chosen interval, with a stop control. - Choose None, CR, LF or CRLF line endings for text commands. - Reuse recent commands from History and save frequently used commands in Starred. - Selecting a saved command fills the input for review; it does not send automatically. - Read color-coded send and receive logs, with optional timestamps and automatic scrolling. CONTROL COMPATIBLE DSD TECH RELAYS - Detect the channel count on supported one- and four-channel modules. - View device-reported channel states and refresh them when needed. - Control individual channels or use All on and All off on four-channel modules. - Confirm control results through a follow-up status query to the device. CHOOSE YOUR LANGUAGE AND DISPLAY PREFERENCES The interface supports English, Simplified Chinese, Traditional Chinese (Taiwan), German, French, Spanish (Spain), Italian, Portuguese (Portugal) and Japanese. Follow your system language or choose a language in Settings. You can also keep the screen on while connected and adjust log timestamps and automatic scrolling. LOCAL STORAGE, NO ACCOUNT REQUIRED diBlue contains no ads and requires no account. Device profiles, favorites, aliases, settings, command history and starred commands are stored locally. Apple-managed backups and device transfers may preserve this data according to your settings. COMPATIBILITY Requires iOS 15 or later and compatible BLE hardware. Classic Bluetooth SPP devices are not supported. Data transfer requires the supported FFE0 service and FFE1 characteristic; relay controls require the supported DSD TECH relay protocol. diBlue does not work with every Bluetooth device. Bluetooth permission is required to discover and connect to nearby devices. The app does not request location permission. Support: dsd_tech@outlook.com

About

Flight Times Recorder

Features
Read full description

Minimize distraction when recording your flight times! Enter tach or hobbs times, simply tap to record off block and on block times, and manually or automatically record your airborne times. Easily keep count of your full stop landings, touch & goes, and go-arounds. The app keeps a history of your flights, which can be exported to a CSV file. Times may be shown and exported in either local time or UTC/zulu. Automatic takeoff and landing time detection is based on a ground speed which may be adjusted based on your aircraft's takeoff and landing speeds, and change in altitude. Recorded times may be shown as rounded to nearest 1 minute, 5 minutes, or tenth of an hour. Supports Apple Watch, where a simple tap on your watch starts and stops recording. Recorded times are synchronized across devices using iCloud. Any time pair may be entered - for e.g., glider flights, only airborne times are recorded.

Screenshots

diBlue4 screens
Flight Times Recorder4 screens

Verdict

The call

The clearest difference is price: diBlue at Free against Flight Times Recorder's $1.99. diBlue also leads on iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases 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

diBlue is free to download; Flight Times Recorder costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

Scorecard2 real differences · 8 level
diBlue versus Flight Times Recorder: the parameters behind the verdict, then further details
ParameterdiBlueFlight Times Recorder
PriceFree — better$1.99
Rating2.8 (18 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings18 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size1 MB2 MB
Age rating4+4+
DeveloperDongGuan DESHIDE TECHNOLOGY CO.,LTDSmall Aviation Tools

In-app purchases

None

diBlue

No in-app purchases

None

Flight Times Recorder

No in-app purchases

Questions

Is diBlue free?
diBlue is free to download, with no in-app purchases.
Is Flight Times Recorder free?
Flight Times Recorder costs $1.99, with no in-app purchases.
Do diBlue or Flight Times Recorder have ads?
Neither diBlue nor Flight Times Recorder shows ads.
Which is updated more often, diBlue or Flight Times Recorder?
diBlue ships an update monthly, and Flight Times Recorder monthly. Most recently, diBlue was updated on November 6, 2026 and Flight Times Recorder on November 9, 2026.

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