Swing Caddie SC300i

Voice Caddie Swing Caddie SC300i

Launch Monitor
$499.99$399.99Lowest of 2 retailersSave $100 at Shop Indoor Golf

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Portable Doppler radar launch monitor from Voice Caddie (24 GHz K band) with a 5.3 inch display, spoken distances and a remote. It measures carry and total distance, ball and swing speed, smash factor, launch angle and apex from 10 to 370 yards, with a stated accuracy of plus or minus 3% for ball speed. It has Practice and Target modes, an optional Bluetooth app and up to 12 hours of battery; place it about 5 feet behind the ball.

Sold direct by My Sim SetupSee the shop

We sell these ourselves, in the same category as this one.

Verified research

From the MSS study: what the sensor measures, what it costs to run, and what it needs from the room.

RadarClub data: Speed onlySpin: Calculated

Budget portable radar for range practice. No subscriptions, no marked balls needed.

The MSS verdict
$399.99Hardware, best price
NoneRequired subscription
$399.99Five-year cost
MySwingCaddie App (Free): free.

Why people buy

Portable handheld radar with no tripod or ceiling mount
No subscription fees or marked balls required
Works indoors and outdoors for range practice
Affordable entry-level option at $399.99

Trade-offs

Entry-level accuracy vs. professional monitors
Spin is estimated, not directly measured
Not simulator-compatible; range/practice only
Requires 9+ ft indoor ball-to-net distance
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.
PlacementBehind, about 14 ft of room depth
EnvironmentBoth, indoor and outdoor
BallAny standard golf ball; avoid practice/foam/limited-flight balls
Third-party simsNone, Not simulator-compatible; SC300i is range/practice only. Voice Caddie's simulator unit is the SC4 PRO.
The fine print
Spin is algorithmic estimate (app only, driver-8i), not measured. Not simulator-compatible. No subscription required; device works standalone with LCD display. MySwingCaddie app (iOS/Android) is free and adds spin data, shot history, and video integration.

Specifications

Core Technology
Core Tech TypeRadar
Sensor TechnologyDoppler radar with atmospheric pressure sensors
Technology DetailDoppler radar technology with calibrating atmospheric pressure sensors for precision ball flight and swing…
Performance Data
Ball DataCarry distance, total distance, ball speed, launch angle, apex height, smash factor
Club DataSwing speed, statistics by club
Compatibility
Sim ReadinessApp connectivity for shot data integration
Software IncludediOS and Android apps for real-time shot data and statistics
Device / PC ReqsiOS or Android smartphone/tablet with Bluetooth
Subscription CostNone. No subscription required. The MySwingCaddie companion app (iOS/Android) is free and unlocks spin data, shot history, session/club organization, and video integration.
Special Balls/MarkersNo marked balls, no metallic spin stickers, no proprietary balls, any standard/regulation golf ball works; the radar tracks the ball without markings.
Physical
Form FactorCompact handheld: 6.5 x 4.5 x 1 inch
Width (in)6.5
Height (in)4.7
Depth (in)1.1
Typical PlacementNear ball
Indoor / OutdoorIndoor + outdoor
PortableYes
MountingFloor/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.
DisplayLCD display with voice output
Value
GradeConsumer
Best ForGolfers wanting portable, affordable launch monitor
Key TradeoffsPros: portable, affordable, no subscription, app optional.

Manuals and setup

User Manual Setup / Install Guide
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