The Ernest Sports ESB1 fits a shorter room: about 15 ft minimum depth against 18 ft. The Ernest Sports ESB1 measures spin directly, while the Rapsodo Mobile Launch Monitor (MLM) does not report it. Only the Rapsodo Mobile Launch Monitor (MLM) is listed for outdoor use as well as indoors. At the prices we observed, the Rapsodo Mobile Launch Monitor (MLM) costs $75 less.
Side by side
| Specification | Rapsodo Mobile Launch Monitor (MLM) | Ernest Sports ESB1 |
|---|---|---|
| Tracking | Radar + camera | Radar |
| Detail | Radar with camera (phone-based video) | 3D Doppler radar |
| Placement | Behind the ball | Behind the ball |
| Room depth (FOREference) | 18–20 ft | 15–17 ft |
| Stated ceiling | — | — |
| Spin | Not reported | Measured |
| Ball data listed | 7 | 5 |
| Club data listed | 1 | 2 |
| Indoor / outdoor | Both | Outdoor |
| Ball marking | Not required | Not required |
| Display | iPhone / iPad (iOS only) | iOS or Android |
| Subscription | None stated | Not stated |
| Weight | 0.97 lb | 1.5 lb |
| Price seen | $200 | $275 |
Highlighted rows differ. Figures come from each product's sources; room depth, distances and brightness are FOREference calculations using the same method for both.
Which should you choose?
Rapsodo Mobile Launch Monitor (MLM)
Choose the Rapsodo Mobile Launch Monitor (MLM) if you also want to use it at the range or price leads the decision ($75 less).
Ernest Sports ESB1
Choose the Ernest Sports ESB1 if your room is under about 18 ft deep or measured spin matters to you.
Before you buy either
- Check the room: room size calculator and ceiling height calculator.
- Confirm what each seller includes — accessories, software trials and bundles change often.
- Read the limitations on each full reference page.
FOREference compares published specifications; we have not tested these products side by side. How we work · Disclosure