The Trackman iO DUO fits a shorter room: about 13.5 ft minimum depth against 17 ft. The Trackman iO DUO measures spin directly, while the FlightScope X3C needs marked balls for it. The FlightScope X3C lists more club data (12 parameters against 2). Only the FlightScope X3C is listed for outdoor use as well as indoors. The Trackman iO DUO mounts on the ceiling, so left- and right-handed golfers can share it without moving it. At the prices we observed, the FlightScope X3C costs $5,500 less.
Side by side
| Specification | FlightScope X3C | Trackman iO DUO |
|---|---|---|
| Tracking | Radar + camera | Radar + camera |
| Detail | Fusion Tracking (3D Doppler radar plus image processing) | Optically enhanced radar with dual cameras and infrared lighting |
| Placement | Behind the ball | Ceiling, in front of the ball |
| Room depth (FOREference) | 17–19 ft | 13.5–15.5 ft |
| Stated ceiling | — | 9 ft |
| Spin | Measured with marked balls | Measured |
| Ball data listed | 15 | 13 |
| Club data listed | 12 | 2 |
| Indoor / outdoor | Both | Indoor |
| Ball marking | Metallic stickers on the ball indoors | Not required |
| Display | iOS or PC | PC |
| Subscription | Not stated | Not stated |
| Weight | 6.6 lb | 8.6 lb |
| Price seen | $13,495 | $18,995 |
Highlighted rows differ. Figures come from each product's sources; room depth, distances and brightness are FOREference calculations using the same method for both.
Which should you choose?
FlightScope X3C
Choose the FlightScope X3C if you want club delivery data (path, face, loft) or you also want to use it at the range.
Trackman iO DUO
Choose the Trackman iO DUO if your room is under about 17 ft deep or measured spin matters to you.
Before you buy either
- Check the room: room size calculator and ceiling height calculator.
- Confirm what each seller includes — accessories, software trials and bundles change often.
- Read the limitations on each full reference page.
FOREference compares published specifications; we have not tested these products side by side. How we work · Disclosure