What They Have in Common
Both use Doppler radar. Both work indoors and outdoors. Both are portable and charge via USB-C. Battery life is similar — around 4–5 hours. Neither connects to simulator software, so if your goal is a home sim setup, you're shopping the wrong tier entirely.
Where They Differ
Data depth: bare bones vs. actually useful
The Shot Mate gives you four numbers: club speed, ball speed, smash factor, carry distance. That's it. No spin, no launch angle, no shot shape, no apex. It's honest about what it is.
The MLM1 tracks ten metrics: carry, total distance, ball speed, club speed, launch angle, launch direction, smash factor, side carry, apex, and spin rate. That's a meaningful jump. If you're working on trajectory or trying to understand why your 7-iron goes high and short sometimes, launch angle and spin rate matter. The Shot Mate can't help you there.
What spin data actually costs you
Spin rate sounds great, but the MLM1's spin tracking requires RCT balls — Rapsodo's marked balls. Those run around $70 a dozen. If you hit a bucket a week, you're buying a couple dozen a year minimum, adding $140+ annually just to use the spin feature. Use regular balls, and spin data disappears from your readout.
The Shot Mate uses any ball. No stickers, no special equipment.
Subscriptions and total cost
The Shot Mate is subscription-free. Pay $179.99 once, use it forever.
The MLM1 is $249.99 upfront, plus $99.99/year for the Premium tier that unlocks shot tracer, slow-motion replay, and the R-Speed metric. If those features matter to you, the math adds up:
- Year 1: MLM1 is $350 ($249.99 + $99.99 subscription)
- Year 3: MLM1 is ~$550 ($249.99 + $300 in subscriptions)
- Year 5: MLM1 is ~$750 ($249.99 + $500 in subscriptions)
Add RCT balls and the gap widens. The Shot Mate stays at $179.99.
Standalone display vs. phone dependency
The Shot Mate has a built-in TFT LCD screen with auto-brightness. At a sunny outdoor range, you're reading the display directly — no squinting at a phone, no worrying about glare, no dead battery on your iPhone mid-session.
The MLM1 has no screen. It requires an iPhone (no Android). Your phone is the display. That means keeping your phone charged, positioned correctly, and connected via Bluetooth. If your range doesn't have shade, phone screen visibility in direct sun is a real issue. Also worth noting: if you're an Android user, the MLM1 is simply not an option.
Shot tracer and video
Where the MLM1 earns its money is the camera integration. Pairing the radar with your iPhone's camera lets you see shot traces overlaid on actual video of your ball flight and slow-motion swing replays. The Shot Mate has none of this — it's a numbers box with a screen.
Who Should Buy Which
GolfBuddy Shot Mate
- You want to know your carry distances and club speed without touching your phone.
- You practice outdoors at a public range and want something you can throw in your bag.
- You're doing speed training and want the Practice Swing Mode — club speed without hitting a ball.
- You're on Android.
- You just want a one-time purchase with no ongoing costs.
Rapsodo MLM1
- You're an iPhone user who wants to actually see your ball flight on video.
- You're working on trajectory and need launch angle and spin data to understand what's happening.
- You practice indoors and can set up your phone in a consistent position for camera tracking.
- You're okay buying RCT balls and paying roughly $100/year for the features that make the MLM1 worth the premium.
The Bottom Line
The Shot Mate is the simpler, cheaper, lower-commitment tool. No phone needed, no subscription, no special balls — just swing and read. For most recreational golfers, it does everything they'll actually look at.
The MLM1 is more capable and more expensive to own over time. The shot tracer is genuinely cool, and ten metrics beat four. But by year three, you've spent three to four times what the Shot Mate costs — and that's before the marked balls.
If you're not sure which one you are, that usually means the simpler option is the right one.
Get the GolfBuddy Shot Mate.