Golf Training Ball Smart Ball Golf Training Aid Inflatable S

The Verdict

The Smart Ball looks almost too simple to work — a small inflatable ball you squeeze between your forearms during your swing. But this training aid is one of the most respected in golf, used by tour pros and instructors for years. The question is whether this inflatable version delivers the same results without the $100+ price tag of the original. After digging through 204 ratings and the mechanics of how it actually works, here’s the real story.

What You Actually Get

The package contains the inflatable ball itself, a replacement valve, and a valve tool. That’s it. No pump, no instructions, no carry bag. The ball measures roughly 7 inches in diameter when fully inflated — smaller than a basketball but larger than a softball. The outer shell is a durable rubberized material with a matte finish that grips your forearms without being sticky against your skin. The valve is recessed to stay out of the way during swings.

You’ll need a hand pump or compressor with a needle adapter to get it to the right pressure. That’s not a dealbreaker, but it’s worth knowing before it arrives.

How It Actually Works

The premise is simple: hold the ball between your forearms and make swings. If your arms separate during the backswing, downswing, or follow-through, the ball drops. That forces you to keep your arms connected to your chest, which is the root of consistent ball striking.

What makes this version better than the original Smart Ball is the inflatable design. The original is a solid rubber ball that doesn’t compress. When you squeeze it hard, it pushes back against your ribs — uncomfortable after a bucket of balls. This inflatable version gives slightly when you squeeze, so you can hold it firmly without it feeling like you’re in a wrestling match with your own arms.

The compression also means you can adjust the difficulty. Less air = easier to hold. More air = forces tighter connection. That’s a level of customization the original doesn’t offer.

What Buyers Consistently Praise

The dominant theme across positive reviews is that it produces noticeable results in a single range session. One reviewer put it plainly: “Used it for 20 minutes at the range and my ball striking was the best it’s been in months. You can feel your arms staying connected in a way that just feels right.”

Another common thread is the tempo improvement. Because the ball forces a connected swing, you naturally slow down your transition to avoid dropping it. Multiple buyers mentioned hitting the ball farther and straighter after just a few practice sessions. The durability also gets consistent praise — even with regular use, the ball holds air well and shows minimal wear.

Where It Falls Short

The most frequent complaint is the lack of inflation instructions. The listing doesn’t specify ideal air pressure, and there’s no guide in the box. You’ll need to experiment to find the right firmness, and that trial-and-error costs time on the range.

The small size is another consideration. The “S” designation refers to the ball size, not the intended user size. It fits most average adults, but taller players with longer arms or broader shoulders may find it difficult to get into the correct position. If you wear XXL shirts, this may not work for you.

Finally, it’s a practice aid, not a quick fix. It won’t cure a slice by itself — it trains the connection, but you still need to work on your grip, stance, and release. Buyers expecting instant results without putting in the reps will be disappointed.

Who Should Buy This

This is ideal for three types of golfers: high handicappers who lose power because their arms disconnect from their body, mid-handicappers working on tempo and rhythm, and anyone who wants a compact training aid they can use at home without a net. The fact that you can make full swings in your living room without a ball and still get meaningful feedback makes it genuinely versatile.

It’s less suitable for beginners who haven’t yet developed a basic swing — you need a somewhat repeatable motion to benefit from the feedback. And if you’re a senior golfer with limited shoulder mobility, the forced connection may feel restrictive rather than corrective.

FAQ

Do I need to use it with actual golf balls? No. Many users make practice swings at home to build the feeling of connection. For on-course results, alternate between practice swings with the ball and real shots without it.

Will it fit in my golf bag? Fully inflated, it’s about the size of a small cantaloupe. It fits in a side pocket but takes up space. You can deflate it flat and inflate at the range, though that adds setup time.

Is it durable enough for regular use? Yes, the rubberized material holds up well. Just avoid over-inflating — it should have some give when squeezed, not feel rock hard.

The Verdict

Buy it if: You want to build arm connection and tempo without spending hundreds on lessons, and you’re willing to put in regular practice reps.

Skip it if: You’re a complete beginner, you’re between sizes and the small fit is questionable, or you’re looking for a miracle cure rather than a training tool.

Rating: 4.2/5 — It’s a proven training concept at a fair price, with minor quality-of-life issues around inflation and sizing that keep it from being perfect.

Where to Buy

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.