Blast Golf is one of the most powerful and accessible training aids available, giving you immediate, objective feedback on your golf swing and putting stroke. This guide will walk you through setting up your sensor, understanding what the key metrics mean, and, most importantly, show you how to use that data to make real, lasting improvements to your game.
At its heart, Blast Golf is a small, smart sensor that clips onto the butt end of any golf club. It uses advanced motion capture technology to analyze your swing or stroke in three-dimensional space. Paired with a smartphone app, it translates that movement into simple, digestible data points about your timing, tempo, and how the club is delivered to the golf ball.
The real benefit isn't just getting numbers, it's about getting unbiased truth. We often practice based on "feel," but feel can be misleading. You might feel like your putting stroke is smooth, but the data might show it's decelerating through impact. You might feel like you're attacking your driver on the upswing, but the sensor might reveal you're actually hitting down on it. Blast removes the guesswork and gives you a clear picture of what’s truly happening, creating a direct path for improvement.
Setting up your Blast sensor is straightforward, but taking a few minutes to do it correctly will pay off. Let’s get you ready to capture your first swing.
Before you do anything else, make sure your sensor has a full charge. Place it on the wireless charging pad it came with and plug it into a USB port. A solid green light on the sensor indicates it's fully charged and ready to go. A fresh charge will last you through a long practice session.
Head to your phone’s app store (iOS or Android) and download the "Blast Golf" app. Once installed, fire it up and you’ll be prompted to create_ a new account. This is where your data will be saved and tracked, so you can monitor your progress over time.
Blast comes with two attachments: a larger, black one for your full swing clubs and a smaller, clear one designed for your putter. Simply slide the appropriate attachment over the butt end of your grip. Then, pop the sensor in. It’s designed to be snug and secure so it won't fly off during your swing.
Now, it's time to connect the hardware to the software.
In the top right corner of the app screen, you'll see a small icon that indicates your connection status. A green icon means you’re connected and ready to go.
The putting green is where Blast Golf shines brightest. Improving your putting is the fastest way to lower your scores, and this tool provides incredible insight. Here’s a breakdown of the most valuable putting metrics.
What it is: Timing is the ratio of your backstroke time to your forward stroke (to impact) time. The universally accepted "gold standard" for great putters is a 2:1 ratio. This means your backstroke takes exactly twice as long as your forward stroke.
Why it matters: A 2:1 ratio creates a smooth, accelerating stroke that transfers energy efficiently to the ball. A 1:1 ratio often feels "handsy" or jerky, leading to poor distance control. A 3:1 ratio (a long, slow backstroke) can cause a loss of rhythm and deceleration through the ball. Focusing on a 2:1 timing is one of the single best things you can do for your putting consistency.
What it is: This is the total time of your stroke, from takeaway to impact. For example, a 0.60s backstroke and a 0.30s forward stroke give you a Tempo of 0.90 seconds.
Why it matters: While your personal tempo can vary, the goal is to be consistent. A consistent tempo leads to much better distance control. Your long putts might have a slightly slower tempo than your short ones, but the deviation should be very small. Blast allows you to hit putts of different lengths and see just how consistent your tempo is.
What it is: This metric measures, in degrees, how open or closed your putter face is relative to your target line at the moment of impact. A "+" number means the face is open (pointing right for a right-hander), and a "-" number means it's closed (pointing left).
Why it matters: This is everything. If your face is more than one degree open or closed at impact, you’re almost guaranteed to miss the putt unless you make a last-second manipulation. Aiming for an impact rotation of 0.5 degrees or less is an excellent goal. If you constantly pull your putts, chances are your Blast data will show a consistently closed face, and vice versa for pushed putts.
While the putting data is amazing, Blast also provides valuable feedback for your irons, wedges, and woods.
Just like with putting, your full swing has a Timing ratio and a Tempo. The accepted ideal ratio for the full swing is 3:1, meaning your backswing takes three times as long as your downswing. This indicates a smooth, deliberate backswing and a powerful, dynamic downswing. A player who is "quick from the top" might have a ratio closer to 2:1, while a player with a very slow backswing might be 4:1.
What it is: Attack Angle measures the vertical path of the club head as it approaches the ball. A negative number (-4.0 degrees, for example) means you are hitting down on the ball. A positive number (+3.0 degrees, for example) means you are hitting up on the ball.
Why it matters: This is a fundamental concept for solid ball-striking.
Collecting data is interesting. Using it to get better is transformational. Here’s how to turn those numbers into lower scores.
Before you try to change anything, hit 10-15 putts from about 10 feet. Don't try to be perfect. Just make your normal stroke. When you're done, look at the averages. Is your Timing consistently close to 2:1? Is your face always slightly open at impact? This baseline tells you what your natural tendencies are and where to focus first.
This is extremely important. If your baseline shows your Timing is 1.5:1 and your face is 3 degrees open, don't try to fix both at once. You'll only get frustrated. Pick one metric to improve. For most players, starting with Timing is the best choice, as a good rhythm often helps the other metrics fall into place naturally.
Blast’s best feature might be its real-time audio feedback. In the app settings, you can turn on a metronome-like tone. It will beep for your backswing takeaway and again at impact, guiding you to a perfect 2:1 (for putting) or 3:1 (for full swing) rhythm. Put earbuds in and hit putts while simply trying to match the rhythm of the tones. It’s an incredibly effective way to bake a good tempo right into your muscle memory without even thinking about mechanics.
Once you’ve identified your weakness, create a game around it. Let's say your Face Rotation is inconsistent.
This kind of focused, goal-oriented practice is much more effective than just mindlessly rolling putts for 30 minutes.
In short, Blast Golf is a brilliant tool that removes the veil between what you think you're doing and what you're actually doing. By getting comfortable with the setup, learning what the data means, and using the audio feedback in focused practice sessions, you can make clear, measurable progress on the parts of your game that matter most.
Still, turning that raw data into a clear plan can sometimes feel like a challenge. You might see a poor attack angle on your Blast read-out and think, "Okay, now what's the best drill to fix that?" That’s where technology like the one we've built can help. With an analysis tool like Caddie AI, you can take your Blast data––like an inconsistent putting tempo or an overly steep iron swing––and immediately get personalized drills and simple coaching advice to help you work on that specific issue right away, giving you a clear roadmap from problem to solution.
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