Blue Tees Rainmaker vs Voice Caddie Swing Caddie SC300i
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 Blue Tees Rainmaker is better
- Club data access: Club data included (Included vs Not available)
- GSPro support: GSPro: supported (Supported vs No)
- Sim software: 2 more sim titles supported (2 titles vs 0 titles)
Why Voice Caddie Swing Caddie SC300i is better
- Price: $100 cheaper ($400 vs $500)
- 3-year cost: $337 cheaper over three years ($400 vs $737)
- Battery life: 14 hours longer battery (20 hr vs 6 hr)
- Weight: 0.6300000000000001 lb lighter (0.96 lb vs 1.59 lb)
Specs Comparison
Blue Tees Rainmaker $500 vs Voice Caddie Swing Caddie SC300i $400
| Specification |  Blue Tees Rainmaker $500 |  Voice Caddie Swing Caddie SC300i $400 |
|---|---|---|
| Price | ||
| Price | $500 | $400 |
| Measurement | ||
| Tracking technology | Doppler radar | Doppler radar |
| Radar type | Single Doppler | Single Doppler |
| Spin measurement | Estimated | — |
| Marked balls | Titleist RCT balls | Not required |
| Accuracy tier | Game-improvement | — |
| Data points per shot | 20 | 6 |
| Ball data | ||
| Ball speed | Measured | Measured |
| Launch angle | Measured | Measured |
| Launch direction | Measured | Not reported |
| Spin rate | Calculated | — |
| Spin axis | Calculated | Not reported |
| Carry distance | Calculated | Calculated |
| Total distance | Calculated | Calculated |
| Apex height | Calculated | Calculated |
| Descent angle | Calculated | Not reported |
| Offline distance | Calculated | Not reported |
| Club data | ||
| Club speed | Measured | Measured |
| Attack angle | Calculated | Not reported |
| Club path | Calculated | Not reported |
| Face angle | Not reported | Not reported |
| Face to path | — | Not reported |
| Dynamic loft | — | Not reported |
| Impact location | Not reported | Not reported |
| Smash factor | Calculated | Calculated |
| Club data unlock | Included | Not available |
| Space & environment | ||
| Environment | Indoor + outdoor | Indoor + outdoor |
| Placement | Behind the ball | Behind the ball |
| Setback (ft) | 5 | 5 |
| Lefty / righty | No repositioning | — |
| Installation | None (portable) | None (portable) |
| Sim software | ||
| Simulator capable | ✓ Yes | ✕ No |
| GSPro support | Supported | No |
| E6 Connect support | Supported | No |
| Awesome Golf support | No | No |
| TGC 2019 support | — | No |
| FSX Play support | No | No |
| First-party software | LAUNCH 3D Range | MySwingCaddie app (practice/data only) |
| Included sim content | E6 Connect promotional offer included in box (Shop Indoor Golf listing). Blue Tees' own full-course simulation is planned 'as part of a future membership package later in 2026' - not live as of 2026-09-14. | — |
| Subscription | ||
| Subscription (per year) | $79/yr | None |
| Works without subscription | Standalone without membership: 13 on-device metrics on the 4.3-in display, 1,000-shot onboard storage, Practice / Target Distance / Swing Speed modes, magnetic remote, multiplayer - no phone required. Third-party sim integrations are stated to come without extra fees (Shop Indoor Golf). First year of the $79.99 AI/analytics membership is included with purchase. | 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). |
| Subscription trial | 1-year AI/analytics membership ($79.99 value) included with purchase | — |
| Connectivity & apps | ||
| Apps | iOS, Android | iOS, Android |
| Built-in display | LCD readout | LCD readout |
| Connectivity | — | Bluetooth |
| Offline mode | ✓ Yes | ✓ Yes |
| Physical & power | ||
| Weight (lb) | 1.59 | 0.96 |
| Dimensions (in) | 9.0 x 5.2 x 1.3 in | 6.5 x 4.7 x 1.1 in |
| Battery life (hours) | 6 | 20 |
| Power source | Rechargeable battery | Rechargeable battery |
| Charging port | USB-C | USB-C |
| Alignment | — | Manual target line |
| In the box | protective carry case, USB-C charging cable, magnetic remote, quick start guide, E6 Connect promotional offer | SC300i launch monitor, remote control, USB cable, USB cover, user manual |
| Warranty | ||
| Warranty (months) | — | 12 |
Buy the Blue Tees Rainmaker
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
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 .