At a glance
- Tracking tech
- Doppler radar
- Subscription
- None
- Battery
- 20 hr
- Weight
- 0.96 lb
- Standalone operation with a 5.3-in display, voice output and remote - no phone or subscription needed
- 20-hour battery life
- No simulator compatibility - E6 Connect and the other major sim titles are recorded as unsupported
- No launch direction, club path or face data
Voice Caddie Swing Caddie SC300i
Voice Caddie
$400
Where to buy — Voice Caddie site- Tracking tech
- Doppler radar
- Subscription
- None
- Weight
- 0.96 lb
The Voice Caddie Swing Caddie SC300i is a portable Doppler practice radar released in 2020 at $399.99, with no subscription. It runs standalone through a 5.3-inch display, voice output and an included remote, needing 5 feet of space behind the ball. Ball speed, club speed and launch angle are measured, carry and total distance are calculated from them, and the free MySwingCaddie app keeps session history. It has no simulator support - E6 Connect and the other major sim titles are recorded as not compatible - and no club path or face data.
Pros & cons
Pros
- Standalone operation with a 5.3-in display, voice output and remote - no phone or subscription needed
- 20-hour battery life
- Only 5 ft of setback needed behind the ball
- Light at just under 1 lb with USB-C charging
Cons
- No simulator compatibility - E6 Connect and the other major sim titles are recorded as unsupported
- No launch direction, club path or face data
- Carry and total distances are calculated from speed and launch angle, not flight-tracked
Full specifications
| Measurement | |
|---|---|
| Tracking technology | Doppler radar |
| Radar type | Single Doppler |
| Marked balls | Not required |
| Data points per shot | 6 |
| Not published: Camera frame rate, Spin measurement, Accuracy tier | |
| Ball data | |
| Ball speed | Measured |
| Launch angle | Measured |
| Launch direction | Not reported |
| Spin axis | Not reported |
| Carry distance | Calculated |
| Total distance | Calculated |
| Apex height | Calculated |
| Descent angle | Not reported |
| Offline distance | Not reported |
| Not published: Spin rate | |
| Club data | |
| Club speed | Measured |
| Attack angle | Not reported |
| Club path | Not reported |
| Face angle | Not reported |
| Face to path | Not reported |
| Dynamic loft | Not reported |
| Impact location | Not reported |
| Smash factor | Calculated |
| Club data unlock | Not available |
| Space & environment | |
| Environment | Indoor + outdoor |
| Placement | Behind the ball |
| Setback (ft) | 5 |
| Installation | None (portable) |
| Not published: Min ball flight, Min room depth, Min room width, Ceiling height, Hitting zone, Lefty / righty | |
| Sim software | |
| Simulator capable | ✕ No |
| GSPro support | No |
| E6 Connect support | No |
| Awesome Golf support | No |
| TGC 2019 support | No |
| FSX Play support | No |
| First-party software | MySwingCaddie app (practice/data only) |
| Not published: Sim software, Included sim content | |
| Subscription | |
| Subscription (per year) | None |
| Works without subscription | Complete without any subscription: all metrics on the built-in 5.3-in LCD with voice output and remote, 'Standalone Functionality: Operates without the app if preferred'; free MySwingCaddie app adds spin display, swing video with data overlay, stats history and My Bag club editing (voicecaddie.com, 2026-09-14). |
| Not published: Subscription trial | |
| Connectivity & apps | |
| Apps | iOS, Android |
| Built-in display | LCD readout |
| Connectivity | Bluetooth |
| Offline mode | ✓ Yes |
| Not published: Watch app, Screen mirroring | |
| Physical & power | |
| Weight (lb) | 0.96 |
| Dimensions (in) | 6.5 x 4.7 x 1.1 in |
| Battery life (hours) | 20 |
| Power source | Rechargeable battery |
| Charging port | USB-C |
| Alignment | Manual target line |
| In the box | SC300i launch monitor, remote control, USB cable, USB cover, user manual |
| Not published: Removable battery | |
| Warranty | |
| Warranty (months) | 12 |
Where to buy
Voice Caddie Swing Caddie SC300i specs: quick answers
- What kind of launch monitor is the Voice Caddie Swing Caddie SC300i?
- The Voice Caddie Swing Caddie SC300i is a doppler radar launch monitor by Voice Caddie.
- How much does the Voice Caddie Swing Caddie SC300i cost?
- The Voice Caddie Swing Caddie SC300i costs $400.
- Does the Voice Caddie Swing Caddie SC300i need a subscription?
- No — the Voice Caddie Swing Caddie SC300i has no subscription at all.
- What does the Voice Caddie Swing Caddie SC300i actually measure?
- By its recorded per-metric capabilities, the Voice Caddie Swing Caddie SC300i genuinely measures 2 of the 9 canonical ball metrics and 1 of the 5 club metrics; the rest are calculated or not reported. The full measured-vs-calculated breakdown is in the spec table.
- How much space does the Voice Caddie Swing Caddie SC300i need?
- Per the manufacturer's published minimums, the Voice Caddie Swing Caddie SC300i needs 5 ft behind the ball.
- Can the Voice Caddie Swing Caddie SC300i run a golf simulator?
- No — the Voice Caddie Swing Caddie SC300i is a practice device and does not drive simulator software, per its recorded specifications.
- How long does the Voice Caddie Swing Caddie SC300i's battery last?
- The Voice Caddie Swing Caddie SC300i is rated for about 20 hours of battery life.
Voice Caddie Swing Caddie SC300i: FAQs
How much does the Voice Caddie Swing Caddie SC300i cost?
The Voice Caddie Swing Caddie SC300i costs $400 (USD).
Does the Voice Caddie Swing Caddie SC300i need a subscription?
No — the Voice Caddie Swing Caddie SC300i has no subscription at all, per its recorded subscription model.
How much room does the Voice Caddie Swing Caddie SC300i need?
Per the manufacturer's published minimums, the Voice Caddie Swing Caddie SC300i needs 5 ft of space behind the ball.
What golf simulator software works with the Voice Caddie Swing Caddie SC300i?
It also runs MySwingCaddie app (practice/data only), the vendor's own software. Support levels (including any vendor subscription needed to connect) are in the spec table on this page.
How long does the battery last on the Voice Caddie Swing Caddie SC300i?
The Voice Caddie Swing Caddie SC300i has a claimed battery life of 20 hours.
Can you use the Voice Caddie Swing Caddie SC300i indoors and outdoors?
Yes — the Voice Caddie Swing Caddie SC300i is rated for both indoor and outdoor use.
Is the Voice Caddie Swing Caddie SC300i worth it?
The Voice Caddie Swing Caddie SC300i is priced at $400 (USD). For that you get 2 of 9 ball metrics genuinely measured and 1 of 5 club metrics measured. The full spec breakdown on this page shows what the price includes.
Ranked in these buying guides
Where the Voice Caddie Swing Caddie SC300i lands in our recorded-spec rankings.
- Best Golf Launch Monitors 2026
- Best Portable Launch Monitors
- Best Budget Golf Launch Monitors
- Best Golf Launch Monitors Under $500
- Best Golf Launch Monitors Under $1,000
- Best Golf Launch Monitors Under $2,000
- Best Indoor Golf Launch Monitors
- Best Launch Monitors With No Subscription
- Best Launch Monitors for the Driving Range
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