Voice Caddie SC300i
Voice Caddie

Voice Caddie SC300i

Portable
Starting at
$399

Budget home sim & outdoor range practice

Where to Buy

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Verified Research

RadarClub data: Speed onlySpin: Calculated
THE MSS VERDICT
“Budget portable radar for indoor practice and outdoor range play, no simulator capability.”
HARDWARE (BEST PRICE)
$399
SOFTWARE
No required subscription
1 plan available
TOTAL 5-YEAR COST
$399
hardware + required software
● MySwingCaddie App: Free

Why people buy

✓ Portable radar works indoors and outdoors
✓ No marked balls or special accessories needed
✓ Free app with spin data and shot history
✓ Compact floor placement, easy setup

Trade-offs

• Range/practice only — no simulator support (E6/GSPro)
• Spin is algorithmic estimate, app-only, driver-8i only
• ±2% ball speed, ±3 yards carry accuracy limits
• Requires 9-10 ft ball-to-net clearance indoors
● Ball tracking
Ball SpeedMeasured
Launch AngleMeasured
Launch DirectionNot provided
Spin RateCalculated
Spin AxisNot provided
● Club tracking
Club SpeedMeasured
Club PathNot possible
Face AngleNot possible
Attack AngleNot possible
From the verified MSS launch-monitor study: measured = read directly by the sensor; calculated = algorithm-derived.
PLACEMENT
Behind
~14 ft room depth
ENVIRONMENT
Both
indoor + outdoor
BALL REQUIREMENT
Any standard regulation golf ball
3RD-PARTY SIM
None
NOT simulator-compatible; range/practice monitor only. Do not confuse with SC4 PRO.
The fine print
No simulator software support. Spin rate is estimated, not measured. Minimum 9-10 ft indoor space required. No subscription. MySwingCaddie app (iOS/Android) free; unlocks spin data, shot history, video integration. Device fully standalone offline.

Specifications

Value
Best For
Budget home sim & outdoor range practice
Key Tradeoffs
Manufacturer-published accuracy: +/-2% ball speed; +/-3 yards carry distance in Target mode; +/-3% carry distance in Practice mode. Measuring range 10 yds ~ 370 yds. Spin is an algorithmic estimate, not measured (lower confidence metric). Independent testing (PluggedInGolf vs Foresight GC2):…
Core Tech
Radar
Sensor Technology
0 (no cameras — radar-based) cam · 1 (single K-Band 24 GHz Doppler radar) radar
Technology
Portable doppler radar launch monitor. Senses ball motion via a single K-Band 24 GHz Doppler radar sensor placed on the ground ~5 ft behind the hitter, in line with the target. It combines radar data with a calibrated atmospheric (barometric) pressure sensor to correct…
Ball Data
~7-8 metrics. On-device LCD: Carry distance, Total distance, Ball Speed, Swing (club head) Speed, Smash Factor, Launch Angle, Apex (max height). Via MySwingCaddie app only: Spin Rate (driver through 8-iron). Display modes include Target, Practice, and Approach/short-game modes.…
Club Data
Measured/derived: swing speed (club head speed) and smash factor from the radar. No club path, face angle, attack angle, or other club-face delivery metrics — those are not provided.
Sim Ready
Not a simulator unit. The SC300i is a range/practice launch monitor and does NOT natively drive simulator software (GSPro, E6, TGC/2K, FSX, Awesome Golf). Voice Caddie's simulator-capable product is the separate SC4 PRO (E6 Connect support)
Software
Not a simulator unit. The SC300i is a range/practice launch monitor and does NOT natively drive simulator software (GSPro, E6, TGC/2K, FSX, Awesome Golf). Voice Caddie's simulator-capable product is the separate SC4 PRO (E6 Connect support)
Device Reqs
Mobile + onboard. Works standalone on its own LCD; full experience via the MOBILE MySwingCaddie app over Bluetooth. No dedicated PC simulator software is published for the SC300i (unlike the SC4 Pro, it is not marketed with E6 Connect). ·…
Subscription
None. No subscription required. The MySwingCaddie companion app (iOS/Android) is free and unlocks spin data, shot history, session/club organization, and video integration. The device also works…
Special Balls
No marked balls, no metallic spin stickers, no proprietary balls — any standard/regulation golf ball works; the radar tracks the ball without markings. Practice/foam/range/limited-flight balls are explicitly NOT recommended; they will…
Mounting
Floor/ground placement behind the ball (not overhead, not side-mount). Sits on the ground, level with the hitting surface; no tripod, ceiling mount, or wall mount required. Includes a remote control. · Set the unit on the floor approximately 5 ft directly behind the ball, aligned with the intended…
Placement
Behind golfer
Indoor Outdoor
Indoor + outdoor
Portable
Yes
Grade
Consumer
Display
Onboard touchscreen
Width In
6.5
Height In
4.7
Depth In
1.1

Manuals & Setup

User Manual Setup / Install Guide
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