Rapsodo MLM (original) 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 Rapsodo MLM is better
- Price: $200 cheaper ($200 vs $400)
Why Voice Caddie Swing Caddie SC300i is better
- 3-year cost: $100 cheaper over three years ($400 vs $500)
- Built-in display: Built-in display (LCD readout vs None)
Specs Comparison
Rapsodo MLM $200 vs Voice Caddie Swing Caddie SC300i $400
| Specification |  Rapsodo MLM $200 |  Voice Caddie Swing Caddie SC300i $400 |
|---|---|---|
| Price | ||
| Price | $200 | $400 |
| Measurement | ||
| Tracking technology | Radar + camera fusion | Doppler radar |
| Radar type | Single Doppler | Single Doppler |
| Spin measurement | Marked balls only | — |
| Marked balls | Titleist RCT balls | Not required |
| Data points per shot | 10 | 6 |
| Ball data | ||
| Ball speed | Measured | Measured |
| Launch angle | Measured | Measured |
| Launch direction | Measured | Not reported |
| Spin rate | Measured (marked ball) | — |
| 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 | Calculated | 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) | 6 | 5 |
| Min ball flight (ft) | 8 | — |
| Installation | None (portable) | None (portable) |
| Sim software | ||
| Simulator capable | ✕ No | ✕ No |
| GSPro support | No | No |
| E6 Connect support | No | No |
| Awesome Golf support | No | No |
| TGC 2019 support | No | No |
| FSX Play support | No | No |
| First-party software | Rapsodo Virtual Range (in-app 3D shot visualization; practice only, no course play) | MySwingCaddie app (practice/data only) |
| Subscription | ||
| Subscription (per year) | $100/yr | None |
| Works without subscription | Core metrics, swing replay with shot trace and storage of the last 100 swings work free (Plugged In Golf; rapsodo.com). 'MLM1 Premium Membership: $99.99/Year' adds 10,000-video cloud storage, unlimited shot storage, Shot Trace + Apex, slow-motion playback, Rapsodo Combine, Insights, R-Cloud and R-Speed. MLM1 and MLM2PRO memberships are separate, non-cross-compatible platforms (rapsodo.com membership blog). | 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 | Premium Trial included with purchase (length not stated on the MLM1 page) | — |
| Connectivity & apps | ||
| Apps | iOS | iOS, Android |
| Built-in display | None | LCD readout |
| Connectivity | — | Bluetooth |
| Offline mode | — | ✓ Yes |
| Physical & power | ||
| Weight (lb) | — | 0.96 |
| Dimensions (in) | — | 6.5 x 4.7 x 1.1 in |
| Battery life (hours) | — | 20 |
| Power source | Rechargeable battery | Rechargeable battery |
| Charging port | — | USB-C |
| Alignment | — | Manual target line |
| In the box | MLM1 device, protective case, USB charging cable, quick start guide | SC300i launch monitor, remote control, USB cable, USB cover, user manual |
| Warranty | ||
| Warranty (months) | — | 12 |
Buy the Rapsodo MLM (original)
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.
These two track the ball differently: the Rapsodo MLM (original) is a radar-camera fusion unit, while the Voice Caddie Swing Caddie SC300i is Doppler-radar, 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 .