Voice Caddie
SC4 PRO Portable Golf Launch Monitor & Simulator
Launch Monitor
Starting at
$600
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Where to Buy
Prices last verified 9/18/2026
Verified Research
Radar
THE MSS VERDICT
“Budget portable radar for outdoor/home practice without marked balls or club-data requirements.”
HARDWARE (BEST PRICE)
$600
SOFTWARE
No required subscription
2 plans available
TOTAL 5-YEAR COST
$600
hardware + required software
● VoiceCaddie S App: Free (required)
● E6 Connect (5 courses included): Free
Why people buy
✓ Portable radar at entry price
✓ No marked balls required
✓ Outdoor and indoor use
✓ Free app with spin metrics
Trade-offs
• Spin derived from radar (±several hundred RPM)
• Club data limited to swing speed
• Limited sim ecosystem (E6/OptiShot only)
• Needs ~18 ft room depth
PLACEMENT
Behind
~18 ft room depth
ENVIRONMENT
Both
indoor + outdoor
BALL REQUIREMENT
Any standard USGA/R&A ball
3RD-PARTY SIM
Limited
E6 Connect (iOS/PC) and OptiShot Orion. No GSPro, TGC/2K, or FSX."
The fine print
Spin accuracy is radar-derived and variable; treat as approximate, not definitive. Core app and 3D range free. E6 Connect ships with 5 courses; additional courses require optional E6 subscription (price set by E6).