Voice Caddie Swing Caddie SC300i vs Voice Caddie Swing Caddie SC4
Side-by-side comparison of specs, features, and pricing
Specs updated
Maintained by GolfSim Compare Team · specs sourced, prices from dated retailer checks · how we compare
Why Voice Caddie Swing Caddie SC300i is better
- Price: $150 cheaper ($400 vs $550)
- 3-year cost: $150 cheaper over three years ($400 vs $550)
- Battery life: 10 hours longer battery (20 hr vs 10 hr)
- Weight: 0.3400000000000001 lb lighter (0.96 lb vs 1.3 lb)
Why Voice Caddie Swing Caddie SC4 is better
- Sim software: 1 more sim title supported (1 title vs 0 titles)
Specs Comparison
Voice Caddie Swing Caddie SC300i $400 vs Voice Caddie Swing Caddie SC4 $550
| Specification |  Voice Caddie Swing Caddie SC300i $400 |  Voice Caddie Swing Caddie SC4 $550 |
|---|---|---|
| Price | ||
| Price | $400 | $550 |
| Measurement | ||
| Tracking technology | Doppler radar | Doppler radar |
| Radar type | Single Doppler | Single Doppler |
| Spin measurement | — | Estimated |
| Marked balls | Not required | Not required |
| Accuracy tier | — | Game-improvement |
| Data points per shot | 6 | — |
| Ball data | ||
| Ball speed | Measured | Measured |
| Launch angle | Measured | Measured |
| Launch direction | Not reported | Measured |
| Spin rate | — | Calculated |
| Spin axis | Not reported | Not reported |
| Carry distance | Calculated | Calculated |
| Total distance | Calculated | Calculated |
| Apex height | Calculated | Calculated |
| Descent angle | Not reported | Not reported |
| Offline distance | Not reported | — |
| Club data | ||
| Club speed | Measured | Measured |
| Attack angle | Not reported | Not reported |
| Club path | Not reported | Not reported |
| Face angle | Not reported | Not reported |
| Face to path | Not reported | Not reported |
| Dynamic loft | Not reported | Not reported |
| Impact location | Not reported | Not reported |
| Smash factor | Calculated | Calculated |
| Club data unlock | Not available | Not available |
| Space & environment | ||
| Environment | Indoor + outdoor | Indoor + outdoor |
| Placement | Behind the ball | Behind the ball |
| Setback (ft) | 5 | 5 |
| Min ball flight (ft) | — | 10 |
| Lefty / righty | — | No repositioning |
| Installation | None (portable) | None (portable) |
| Sim software | ||
| Simulator capable | ✕ No | ✓ Yes |
| GSPro support | No | No |
| E6 Connect support | No | Native |
| Awesome Golf support | No | — |
| TGC 2019 support | No | — |
| FSX Play support | No | No |
| First-party software | MySwingCaddie app (practice/data only) | E6-bundled; MySwingCaddie app (practice/data only) |
| Sim software | — | OptiShot Orion |
| Included sim content | — | E6 Connect license (iOS & PC) with 1 course + 1 driving range included at no extra cost; full E6 course library requires an optional E6 subscription. E6 compatibility was added by app update a few months after launch. |
| Subscription | ||
| Subscription (per year) | None | 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). | Complete without any subscription: all metrics on the built-in LCD with voice output, free MySwingCaddie app for shot history and swing video overlays. Only optional spend is expanding the E6 Connect course library (third-party title cost). |
| Connectivity & apps | ||
| Apps | iOS, Android | iOS, Android |
| Built-in display | LCD readout | LCD readout |
| Connectivity | Bluetooth | Bluetooth |
| Offline mode | ✓ Yes | ✓ Yes |
| Physical & power | ||
| Weight (lb) | 0.96 | 1.3 |
| Dimensions (in) | 6.5 x 4.7 x 1.1 in | 4.9 x 7.6 x 1.1 in (124 x 193 x 29 mm) |
| Battery life (hours) | 20 | 10 |
| Power source | Rechargeable battery | Rechargeable battery |
| Charging port | USB-C | — |
| Alignment | Manual target line | Manual target line |
| In the box | SC300i launch monitor, remote control, USB cable, USB cover, user manual | SC4 launch monitor, remote control, USB cable, user manual, E6 Connect license (iOS & PC) |
| Warranty | ||
| Warranty (months) | 12 | — |
Buy the Voice Caddie Swing Caddie SC300i
Tracked price$400 at Voice Caddie Store
90-day low / high$400 – $400
Price checked · how we track prices
Voice Caddie Swing Caddie SC4 availability
Keep shopping
Jump straight to full specs and where to buy either model, or keep exploring related picks.
Both units here are Doppler-radar launch monitors, per their recorded specs. What that difference means for spin, space, and indoor use is covered in our guide to radar vs camera launch monitors .