Expert consensus review

Voice Caddie SC300i Review

The SC300i is the sweet spot in Voice Caddie's range: launch angle and apex, a 5.3-inch display, up to 20 hours of battery and no app required. With code BASSOLINO15 it drops from $399.99 to about $339.99.

Voice Caddie Swing Caddie SC300i launch monitor showing carry, swing speed and ball speed

What we like

  • Adds launch angle and apex to speed and carry, with spin rate available in the app
  • Large 5.3-inch display and voice output, and it works without the app
  • Battery rated up to 20 hours, with USB-C charging
  • Manufacturer lists plus or minus 2% ball speed and plus or minus 3 yards carry in target mode
  • Code BASSOLINO15 takes about $60 off the $399.99 list price

What to weigh

  • Not compatible with E6 Connect or other simulator apps
  • Needs a real golf ball; training or colored balls can give wrong readings
  • Spin rate shows in the app, not on the unit's screen
  • Radar placement about 5 ft behind the ball is required
  • Accuracy 8.0
  • Ease of use 8.8
  • Value 8.8
  • Build 8.2
  • Software 7.8
Expert consensus review

This expert-consensus review uses Voice Caddie's current SC300i listing, specifications and FAQ checked October 19, 2026, plus the store's published owner ratings (4.6 out of 5 from 151 reviews). We did not run a side-by-side accuracy test. The accuracy figures below are the manufacturer's.

Quick answer

The Voice Caddie Swing Caddie SC300i is the monitor most golfers should look at first. It lists at $399.99, shows launch angle and apex on a 5.3-inch screen, reads each distance aloud and runs for up to 20 hours. Use BASSOLINO15 for 15% off eligible purchases, about $60 off, or roughly $339.99.

Our verdict: pick the SC300i if you want more than speed and carry, a screen you can read in sunlight and no phone requirement. It is the best-value step up from the SC200 Plus, and the right choice over the SC4 PRO if you do not need simulator play.

What you get on the screen

The SC300i is a 24 GHz Doppler radar with calibrated atmospheric pressure sensors. The unit shows carry, swing speed, ball speed, smash factor, launch angle and apex. Spin rate appears in the app. The listed measuring range is 10 to 370 yards, and the unit sits about 5 ft behind the ball on the same level.

Voice Caddie lists accuracy of plus or minus 2% on ball speed, plus or minus 3 yards of carry in target mode and plus or minus 3% in practice mode. Those are manufacturer figures. Reviewers on the store page often say the numbers track pricier monitors closely, but that is owner feedback, not our test.

Setup and convenience

Setup is the main selling point. Place the unit behind the ball, pick a club with the remote and hit. Adjustable loft angles let you match the club you are using. The app, over Bluetooth, adds club stats, swing video and shot history, but the unit works on its own.

Battery is up to 20 hours, charging over USB-C, with 20 minutes of charge giving about an hour of use. At 6.5 x 4.7 x 1.1 in and 15.4 oz, it fits in a bag pocket.

What to watch for

Voice Caddie’s own FAQ is clear on two points. The SC300i does not work with E6 Connect or other simulator apps, and it needs a real golf ball, because training or colored balls can throw off readings. If you want a screen-based course, the SC4 PRO is the model for that. For the wider field, see our launch monitors under $500 guide.

Price and the discount code

Voice Caddie lists the SC300i at $399.99 as of October 19, 2026. With the partner code BASSOLINO15:

Amount
List price$399.99
Code saving (15%)about $60.00
Estimated price with codeabout $339.99 before tax

Open the Voice Caddie shop link, add the SC300i to your cart and enter BASSOLINO15 at checkout. We have not cart-tested the code on this exact product, so confirm the discount in your order summary before you pay. Full terms are on our Voice Caddie discount code page.

GolfTested may earn a commission if you buy through our links.

Frequently asked questions

What is the discount code for the Voice Caddie SC300i?

The Voice Caddie discount code is BASSOLINO15 for 15% off at voicecaddie.com. Enter it at checkout and confirm the discount in your order summary before you pay. It applies to eligible Voice Caddie purchases, so check that your Voice Caddie SC300i option is included. Full terms and savings examples are on our Voice Caddie discount code page.

What does the Voice Caddie SC300i measure?

Voice Caddie lists distance (carry), smash factor, swing speed, ball speed, launch angle and apex, with spin rate shown in the app. It uses Doppler radar and calibrated atmospheric pressure sensors.

How accurate is the SC300i?

Voice Caddie lists plus or minus 2% on ball speed, plus or minus 3 yards of carry in target mode and plus or minus 3% of carry in practice mode. Those are manufacturer figures, not GolfTested measurements.

Does the SC300i need a phone app?

No. It runs standalone with a 5.3-inch LCD, voice output and a remote. The MySwingCaddie app adds saved data, club stats and swing video over Bluetooth.

Does the SC300i work with E6 Connect or simulator software?

No. Voice Caddie says the SC300i does not work with E6 Connect or other simulator apps. For a 3D simulator mode, look at the SC4 PRO.

How long does the SC300i battery last?

Up to 20 hours depending on conditions, and 20 minutes of charging gives about 1 hour of use. It charges over USB-C.