Tracerlink vs FlightDen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tracerlink
This app provides live flight data for paragliders and hang gliders directly on your Apple Watch. It connects to compatible devices, offering essential metrics like altitude and climb rate with haptic feedback and a focus mode for easy readability.
- Live flight data on Apple Watch
- Haptic feedback for lift detection
- Focus Mode for key metric visibility
- Ultra-lightweight, phone-free setup
- Fast, one-tap device connection
- Metric and Imperial unit support
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Tracerlink brings live vario data from your UltraBip, BlueBip or XC Tracer directly to Apple Watch. Built for paragliding and hike-and-fly pilots, Tracerlink keeps your cockpit light: connect your external BLE vario, start your flight and read the key values on your wrist without using an iPhone cockpit in the air. The watch-first display is designed for short glances: large numbers, clean layouts and a Focus Mode that gives one selected value more room on screen. Optional haptic feedback can signal climb with subtle taps, while Workout integration helps keep the display active and tracks flight duration. Why pilots use Tracerlink: - Wrist-only flight display: live vario values directly on Apple Watch - Light setup: no phone cockpit needed in flight - Quick connection: connect UltraBip, BlueBip or XC Tracer from the watch - Clear reading: large, high-contrast values for short glances - Focus Mode: show one key metric in a simplified full-screen view - Haptic climb feedback: optional taps with adjustable sensitivity - Altitude calibration: manual altitude, QNH and source labels for a clearer setup workflow - Metric and imperial units - Clear one-time purchase: no subscription model Live flight metrics: - Vario device battery status - Altitude with source indicator - Climb and sink rate - Flight duration - Ground speed, course and glide ratio where supported by the connected device and data stream Altitude calibration: Tracerlink 2.1 adds a more deliberate altitude setup workflow. Depending on your connected device and available data, the app can work with manual altitude calibration, QNH-based altitude or GNSS-assisted calibration where supported. A compact source label shows how the displayed altitude is currently derived. Focus Mode: Focus Mode gives one selected metric more space on screen, such as altitude or climb rate, for quick reading in the air. Haptic feedback: Optional haptic feedback can signal climb with subtle taps. Sensitivity can be adjusted in the watch settings. Workout integration: Tracerlink uses Workout mode to help keep the watch display active during flight and to track flight duration. Compatibility and requirements: - Devices: UltraBip, BlueBip or XC Tracer - Apple Watch: watchOS version as listed in the App Store compatibility section - iPhone/iPad app: includes manual and support information; flight data is shown on Apple Watch - GPS-dependent values are available only when the connected device and data stream provide them - Compatibility with older device models or outdated firmware is not guaranteed Tracerlink is a display and convenience tool for pilots using a compatible external vario. It is not a navigation system, safety instrument or replacement for approved flight equipment. XC Tracer, UltraBip and BlueBip are trademarks of their respective owners. Tracerlink is independently developed and is not affiliated with, endorsed by or sponsored by XC Tracer GmbH or Stodeus.
FlightDen
Record and review your flights with GPS tracking, view airspace information, and connect with a community of pilots. Share your experiences and stay informed about your flight data.
- GPS flight recording
- Personal flight logbook
- Airspace and NOTAM information
- Pilot community features
- Live position sharing
- Audio cues and warnings
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FlightDen brings recreational flight recording, pilot information and community features together in one app. RECORD AND REVIEW FLIGHTS • Record your route, speed, altitude, distance and duration using GPS. • Continue recording during an active flight when the screen is off or FlightDen is running in the background. • Review completed flights in your personal logbook and view recorded routes on the map. • Add equipment and fuel information for your flying setup. FLIGHT INFORMATION • Explore maps with airspace and current NOTAM information where coverage is available. • Receive configurable audio cues while using the in-flight display. • View nearby participating traffic where supported. • Control whether NOTAM audio warnings and live-position sharing are enabled. PILOT COMMUNITY • Create a pilot profile and connect with other FlightDen users. • Share posts, photos, moments and recorded flights. • Join flight groups, exchange messages and receive notifications for comments and replies. • Optionally share your live flying position with approved FlightDen connections during an active recording. PRIVACY AND CONTROL FlightDen provides controls for flight visibility, live-location sharing and account deletion. Location access is requested through the operating system when you use location-based features. You can manage access in device Settings. IMPORTANT SAFETY INFORMATION FlightDen is a recreational flight-recording and awareness tool. It is not a certified flight instrument, navigation system, emergency service or substitute for official charts, NOTAM briefings, weather information, air traffic services, regulations or pilot judgement. Coverage, connectivity and third-party data may be incomplete, delayed or unavailable. Always obtain an official briefing and comply with applicable aviation rules before and during flight.
Screenshots
Verdict
The clearest difference is price: FlightDen at Free against Tracerlink's $9.99. FlightDen also leads on update cadence (every 5 days vs every 3 months) and review sentiment (100% vs 75%). On 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
FlightDen is free to download; Tracerlink costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Tracerlink ships an update every 3 months, FlightDen every 5 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.
| Parameter | Tracerlink | FlightDen |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 88 MB | 55 MB |
| Age rating | 4+ | 12+ |
| Developer | Vojtech Vondra | Hassan Ali Bektas |
Customer experience
Tracerlink
FlightDen
In-app purchases
Tracerlink
No in-app purchases
FlightDen
No in-app purchases







