The Quick Verdict
These two are priced within a dollar of each other, which makes the choice almost entirely about what you value in a rangefinder. Get the Voice Caddie Laser Fit. The rechargeable battery and pocketable size are genuinely useful on the course, and its display is distinctive enough to read fast. The Callaway CSi Pro is the one to grab if you want a more traditional form factor with a longer max range and you're fine swapping CR2s. Check price at Voice Caddie →
What They Have in Common
Both are $199 rangefinders with 6x magnification, ±1 yard accuracy, slope mode with a tournament-legal switch, and water resistance. They're both aimed at the same mid-tier golfer who wants reliable yardages without spending $350 on a Bushnell Tour V6. The core job — point, shoot, get a number — is handled the same way.
Where They Differ
Size and Form Factor
This is the biggest real-world difference. The Voice Caddie Laser Fit is legitimately small: 3.39 × 1.48 × 2.21 inches and 4 ounces. It fits in a shorts pocket without that familiar rectangular lump. The Callaway CSi Pro is 4 × 2.75 × 1.5 inches and 5.6 ounces — not heavy, but standard rangefinder-sized. If you carry your bag and want one less thing bouncing around, the Laser Fit wins this without argument.
Battery and Charging
Here's where the Laser Fit makes a real case for itself. It's USB-C rechargeable with an 8-hour / 40+ round battery rating. That's about four to five rounds without thinking about power. You charge it at home like your phone.
The CSi Pro takes a CR2 battery, and Callaway doesn't publish how long it lasts. CR2s are available everywhere — every pharmacy, most pro shops — so you're never actually stranded, but you're also buying batteries at some point mid-season. The Laser Fit removes that errand entirely.
Display
The Laser Fit uses a dual-color LED display (red and black), which is different from the standard LCD you get on the CSi Pro. LED displays can read well in low light — early morning rounds, late afternoon shade — but in direct bright sunlight, an LCD with good coating can sometimes hold its own. Callaway uses multi-coated optics on the CSi Pro, which helps image clarity even if it doesn't change the display type itself. The Laser Fit's display approach is genuinely different; seems like Voice Caddie made a deliberate call here to improve readability across lighting conditions, though I haven't tested both side-by-side at noon in August.
Range and Features
The CSi Pro reaches out to 1,000 yards; the Laser Fit tops out at 800. For most golfers this is a non-issue — the longest approach shot you'll ever take on a real course is well under 300 yards — but if you like ranging the flagstick from the parking lot to confirm your rangefinder works, the Callaway gives you more runway. The Callaway also includes a scan mode for sweeping across targets, which is handy when a flag is partially obscured by a tree or you're trying to find the front edge.
The Laser Fit counters with ball-to-pin triangulation and a "v-algorithm" for its pin acquisition, plus a 0.1-second measurement claim. Both units have vibration lock to confirm a successful pin read, which is the feature that actually matters on a windy day when you're not sure if you got the flag or the tree behind it.
Who Should Buy Which
Get the Voice Caddie Laser Fit if:
- You walk and carry your bag and want a rangefinder that fits in a regular pants pocket — not the rangefinder pocket in your bag, your actual pocket.
- You hate buying batteries. Charging with a USB-C cable before a round is just easier.
- You play a lot of early-morning or late-evening rounds where the dual-color LED display might earn its keep.
- You're the kind of golfer who loses things in their bag; smaller and lighter means less fumbling.
Get the Callaway CSi Pro if:
- You ride in a cart and the rangefinder lives on the holder between shots — size doesn't matter much in that context.
- You prefer a traditional form factor that feels like a rangefinder in your hand rather than a thick credit card.
- You play remote courses where a pro shop isn't nearby and want the insurance of battery-swap capability.
- The 1,000-yard range and scan mode matter to your routine.
The Bottom Line
A dollar apart in price, and the decision comes down to portability vs. familiarity. The Laser Fit is genuinely smaller and lighter, the rechargeable battery is a real convenience, and it hits ±1 yard accuracy just like the Callaway. The CSi Pro is a solid rangefinder with a known brand behind it and slightly more range, but at the same price it doesn't have a clear functional edge. I'd go with the Laser Fit.