Slow-pitch swing analysis, one fix at a time
Upload one at-bat. SwingVantage names the timing leak costing you the most extra bases, with drills and a 7-day plan built around it.
No account required · Free · Private by default
Load hold
−0.3 s
Launch angle
12°
Pull rate
78%
Illustrative — never a real athlete’s data.
The faults
The faults that cost you most
Fault 01
Drifting early
Weight leaks forward while the arc is still falling.
Fault 02
Front side flying open
Shoulder pulls off the ball — rolled-over grounders.
Fault 03
Flat contact
Launch angle too low to beat the outfield.
Your report names the one that costs you most.
Upload
One swing video from your phone.
One fix
Your top fault, drills, and a 7-day plan.
Retest
Re-upload on day 7 and measure the change.
Seven sports · one engine
Built for your sport
What SwingVantage can and can't tell you
Every result carries the same honest label everywhere you see it — so you always know what's precise, what's an estimate, and what to trust for your next session. Our free engine does the everyday read; AI is an optional upgrade when you want more depth.
Measured
Read straight from your launch monitor or sensor data. The most precise number we can show.
Estimated
Our free coaching engine compares your swing to research benchmarks for your sport and level. Trustworthy direction you can train on today — no AI required.
Inferred
Want more detail? Optional AI reads your video frames for extra depth on top of the free read. Single-camera limits still apply.
Self-reported
Based on what you describe yourself. Useful context, and as accurate as the details you share.
Frequently Asked Questions
- Why do I keep popping up in slow pitch?
- Pop-ups in slow pitch almost always mean your bat is traveling under the ball — usually a dropped back shoulder or an exaggerated uppercut into a steeply descending pitch. Leveling your path to match the arc and staying through the middle of the ball fixes most of them.
- What launch angle should I hit for in slow pitch?
- A line-drive-to-slight-lift window carries best for most hitters. Because the ball is dropping at contact, a slightly upward path matched to the descent produces carry — an exaggerated uppercut just produces pop-ups.
- How is slow pitch different from fast pitch?
- Slow pitch arcs down steeply, so timing and matching the descent matter most. Fast pitch arrives flat and fast, so a short, early swing matters most. SwingVantage uses separate benchmarks and drills for each — if you play fast pitch, use the fast-pitch analyzer instead.
- Do I need a bat sensor?
- No. You can upload a side-view swing video and get a read on bat path, shoulder tilt, and contact. If you do have Blast Motion or similar data, you can add it for more detail.
Proof, not just claims
Here's a worked Slow-Pitch Softballexample on sample data — the same shape your real report takes. We show the evidence, the confidence, and what we honestly can't know.
Example diagnosis
Bat path travels under the descending ball — usually a dropped back shoulder or an exaggerated uppercut into an already-dropping pitch.
Top fix: Level the swing to match the arc and stay through the middle of the ball instead of swinging up and under it.
What SwingVantage uses
- Back shoulder dips low in the load on the side viewEstimated
- Bat path angles up steeply into a steeply descending pitchEstimated
- Reported pop-ups and weak flies match under-the-ball contactInferred
What it can't know
- Exact launch angle and bat speed without a sensor
- Bat certification/fit considerations
- Any physical limitations — warm up and use an appropriate bat
How you'll measure progress
On day 7, re-film from the same side angle and take 10–15 swings. Watch shoulder tilt and bat path. Chart line drives vs. pop-ups over the next couple of weeks.
Coach summary
Hitter swings under a descending ball (dropped back shoulder + uppercut). Priority: level the path, stay through the middle. Drills: belt-high tee, level-shoulder, stay-through toss. Retest in 7 days.
What do the confidence labels mean?
Illustrative example
Sample data, not your swing — used on demos and the sample reports so you can see the format before you start.
Heuristic estimate
A smart, data-backed read from limited input (a self-report or a single video). It is honest about being an estimate, and it sharpens every time you add a swing.
Measured
Values actually computed from your swing video or imported launch/sensor data are labelled as measured — not estimated.
We always show you which one you are looking at, and never present an estimate as a measurement.
Your swing, decoded — coaching in your pocket. SwingVantage reads your data and hands you the one fix that matters most, with confident, data-backed guidance you can use today. Findings are heuristic estimates — smart reads that sharpen with every swing you add — and they pair perfectly with a coach for injury concerns or advanced technique work, so you show up to those sessions already ahead.
Your data stays yours
- Sign in and your data is saved to your own private account and synced across your devices; without an account it stays on your device. Either way it is yours alone.
- Swing videos are analyzed in your browser and are not shared publicly by default.
- You can export everything SwingVantage knows about you at any time.
- You can delete any record — or everything — instantly from Settings.
Slow-pitch guides
- How to Hit for More Power in Slow-Pitch SoftballSlow-pitch power comes from matching the high arc with an upward, on-time bat path and full hip rotation — not swinging harder. How to build it safely.
- How to Hit Line Drives in SoftballLine drives come from a bat path that matches the arc the ball is falling on, contact out front, and staying through the ball. The checkpoints and drills to groove it.
- How to Stop Popping Up in SoftballPop-ups come from swinging under the ball — dropping the back shoulder or chopping at a dropping pitch. Here is how to level your path and drive line drives.
- How to Hit a Slow-Pitch Softball (Timing & Contact)Hitting a slow pitch is a timing challenge: let the ball travel and stay back instead of lunging. How to fix timing, with three drills and a practice plan.
- Best Launch Angle for Slow-Pitch SoftballThe best slow-pitch launch angle is a line-drive-to-slight-lift window, about 15–25°. Higher feels powerful but cuts carry. How to find and groove it.
- How to Swing an End-Loaded Slow-Pitch BatAn end-loaded bat rewards a smooth, early load and letting the barrel work — not muscling it. How to time and swing it for slow-pitch power.
- Slow-Pitch Bat Path Mistakes (and How to Fix Them)The most common slow-pitch bat path mistakes: chopping down, swinging up, casting, and dropping the back shoulder. How to spot and fix each one.
- How to Hit the Ball Backside in Slow-Pitch SoftballHitting backside (the other way) in slow-pitch means letting the ball travel, staying inside it, and driving it to the opposite-field gap. Here is how to do it.
- Slow-Pitch Softball Timing GuideSlow-pitch rhythm must survive a pitcher who legally changes the arc each delivery. Tie your trigger to the ball, not the clock, and any arc height works.
- Slow-Pitch Bat Speed & Exit Velocity GuideIn slow-pitch you supply every bit of the ball speed — nothing arrives from the pitcher. That single fact changes what raises exit velocity, and why mass often beats effort.
- A Simple Slow-Pitch Softball Practice PlanA focused slow-pitch practice plan that builds line-drive contact, bat path, and timing — not just swinging harder. Here is what to work on and in what order.
- Slow-Pitch Softball Hitting Drills (Line-Drive Focused)The best slow-pitch hitting drills build a repeatable line-drive path and timing — at a tee, off short toss, and in live BP. The ones that move the needle.
Find your one fix
One upload. One fix. One plan. One retest.
No account required · Free · Private by default