The AceSense blog
Honest writing on AI tennis analysis, self-coaching workflows, and how to actually get better at tennis with a phone in your hand. Written by Akshay Sarode and the AceSense team.
The full equipment list for filming a tennis match in 2026
Phone, tripod, fence-mount, power, storage — the honest gear list for filming a tennis match for AI analysis. Specific models and price ranges.
'What is similar to SwingVision for Android?' — a complete answer
The Google PAA question, answered honestly. AceSense, BaselineTennisAI, TennisAI.net, OnForm — best-for per app, with no padding.
Why the SwingVision $400 tier exists (and whether you need it)
Anatomy of SwingVision's Plus, Pro, and Max tiers. What's actually in the $400 ladder, who it's built for, and the honest 'do you need it' answer.
How to share your AceSense report with your coach in one tap
From the report screen to your coach's inbox in under 30 seconds. Walk-through, link expiry rules, what your coach actually sees, and a workflow checklist.
What's the minimum phone for AI tennis analysis?
iOS 14 / Android 11, 1080p camera, 2 GB free storage, decent Wi-Fi. Specific phone examples (iPhone 11+, Pixel 5+, Galaxy S10+) and what to skip.
EU privacy + your tennis video: how data hosted in europe-west1 changes the math
Your tennis video is personal data under GDPR. Where it lives matters. Here's why AceSense pins infrastructure to europe-west1 — and what that means for you.
I tried AceSense and SwingVision on the same match. Here's the side-by-side
Same 90-minute hard-court match, both apps, no hand-waving. Shot counts, classification disagreements, serve-speed gaps — and what to look for in your own test.
What setup do top SwingVision power-users actually use?
From the r/10s 'do you record everything?' thread: real tripod heights, battery routines, naming conventions, and Wi-Fi rules from heavy users.
OnForm for tennis? Here's why we built tennis-specific AI instead
OnForm is a great generic video coaching app, but tennis isn't on its supported-sport list. Here's the honest breakdown of what's missing — and why.
The Coach's Eye replacement playbook (after TechSmith shut it down)
Coach's Eye is gone since Sept 2022. Here's the honest replacement guide: OnForm, Hudl Technique, AceSense for tennis — picked by job, not hype.
Forehand consistency: a 3-drill plan with measurable goals
How to improve forehand consistency with three specific drills, measurable goals, and an AceSense report to track the change. NTRP 3.0–4.0 self-coaching plan.
Going from NTRP 3.5 to 4.0: data from real AceSense users
What does the climb from NTRP 3.5 to 4.0 actually look like in match data? Heatmaps, rally length, second-serve placement — what we'd expect to see, hedged honestly.
What changes after you've watched 10 of your own matches
Watching tape works — but the change isn't what you expect. After 10 self-recorded matches, here's what actually shifts in your tennis (and your head).
A coach's guide to using AceSense between lessons
If you coach amateur or junior players, AceSense gives you an async homework workflow between lessons. The 4-step framework, plus where it doesn't replace you.
Doubles support in AI tennis apps: where most fail
Most AI tennis apps were trained on singles and silently break on doubles. Here's why partner-swap is the universal failure mode — and how AceSense handles it (with caveats).
Why tennis AI gets confused on clay (and how we handle it)
Clay courts break most tennis AI ball trackers. Here's why — orange ball on orange surface, faint lines, dust — and how AceSense's court keypoint model adapts.
Tennis ball tracking accuracy: what 90% actually means
When a tennis app says '90 percent ball tracking accuracy,' what is it really measuring? F1, precision, recall, and IoU explained for tennis — without hand-waving.
Apple Watch tennis apps: do you need one for AceSense?
Short answer — no. Long answer — depends on what you want. The honest breakdown of Apple Watch tennis apps and where AceSense fits without one.
The 'best free tennis stat tracker' question, answered for 2026
Genuinely free tennis tracking options compared — TennisKeeper, Swing Pro, AceSense free tier, and the watch apps. What you get for nothing, and where 'free' has fine print.
What is the best app to analyze tennis? An honest 2026 list
Six tennis analysis apps tested honestly — SwingVision, AceSense, OnForm, TennisAI.net, BaselineTennisAI, TopCourt. What each is best for, and where each fails.
The honest cost of tennis coaching vs an AI app (in 2026 EUR)
Real 2026 EUR numbers: €50–€100/hr human coaching vs €19/mo AceSense. Where the app replaces a coach, where it supplements, and where the spend is wasted.
Best stroke analysis apps in 2026: stats vs technique
An honest 2026 list of stroke-analysis apps for tennis — separating match-stats trackers from technique analysers. AceSense, OnForm, Hudl, Coach's Eye replacements.
AceSense for adult returners: how 4 sessions surface your old habits
Coming back to tennis after years off? Your old technique is muscle memory — and not all of it is good. Here's how 4 AceSense sessions surface what to fix before it re-cements.
AceSense for parents of juniors: tracking progress without being 'that parent'
How to use AceSense to support your junior tournament player's development — supportively, not coachy. Practical boundaries from a founder who watched it go wrong.
AceSense for junior coaches: async homework between lessons
If you coach U12-U18 ranked juniors, here's how to use AceSense as the between-lesson homework loop — without filming every session yourself.
AceSense for club players: the once-a-week diagnostic loop
If you play league tennis once or twice a week at NTRP 3.0–4.5, here's the weekly diagnostic loop that turns AceSense into your honest, async coach.
First time using AceSense? The 5-minute starter guide
New to AceSense? Here's the honest 5-minute walkthrough — what to record first, what to look at in the report, and what to ignore until session three.
Indoor courts and AI tennis analysis: what to know
Indoor tennis means low light, ceiling-mounted floodlights, and frame-rate flicker. Here's how to film for AI analysis without ruining your report.
Filming on clay courts: how to make AI tennis tools work
Clay is the hardest surface for AI tennis analysis — orange ball on orange clay, drifting court lines, sliding tripods. Here's what actually works.
What if my court has no fence? Mounting alternatives that work
No fence behind your court? Here are five phone-mounting setups that actually work for AI tennis analysis — tripods, sandbags, magnetic mounts, and one bad idea.
A 4-week self-coaching workflow with phone video
An honest 4-week self-coaching loop for an NTRP 3.0–4.5 amateur — record once a week, read the report, fix one thing. Specific weekly steps, what to expect.
How to record your serve for analysis (solo, no tripod follow)
Recording your serve alone — no partner, no follow-camera. Where to put the phone, what to film, and how to make the resulting video usable for AI analysis.
The right camera angle and height for AI shot detection
The exact phone-camera angle, height, distance, and centring that AceSense (and other AI tennis tools) need — with what each variable breaks if you get it wrong.
A $30 phone setup for filming your tennis matches
The cheapest setup that produces analysis-grade tennis match video. Specific gear list, where to mount it, and what we do not recommend buying.
Can an AI tennis app actually replace your coach?
The honest answer from the founder of an AI tennis app: no, not entirely — and here's exactly which parts of coaching it can replace, and which parts it can't.
Wimbledon's electronic line calling, explained
What's actually happening when Wimbledon switches off line judges — Hawk-Eye Live, ELC, and how it compares to the AI line calling on a phone-based tennis app.
The real serve speed for an NTRP 3.5 player (data from real sessions)
What's a realistic first- and second-serve speed for a 3.5 club player? Coaching consensus, community data, and a sanity check on the numbers your app is showing.
Why your serve speed reading might not be 130 mph (or 66 mph)
Why monocular phone-camera serve-speed estimates have a real error band — what causes it, what 'use it for trends' really means, and how to interpret your number.
How accurate is AceSense? Our methodology and benchmarks
Most AI tennis apps describe accuracy with adjectives. Here's how AceSense actually measures shot-detection F1, ball-speed error, and where the model fails.
How AI tennis shot detection actually works
A plain-English walkthrough of the five-stage pipeline that turns a phone-recorded tennis video into a per-shot coaching report — including where it fails.
AceSense vs TopCourt: instruction vs analysis (use both)
AceSense vs TopCourt compared. TopCourt teaches you tennis through pro lessons. AceSense analyses your tennis. Use both, not either.
AceSense vs OnForm: tennis-specific AI vs generic video tool
AceSense vs OnForm compared. AceSense is tennis-specific AI; OnForm is a generic multi-sport video annotation platform. Which one is right for you.
AceSense vs Baseline Vision: phone vs €1,800 hardware camera
AceSense vs Baseline Vision compared. AceSense uses your phone; Baseline Vision sells €1,800 hardware. Which one is right for you in 2026.
AceSense vs PlaySight: facility hardware vs your phone
AceSense vs PlaySight compared. PlaySight needs SmartCourt facility hardware. AceSense runs on your phone. Which one is right for you in 2026.
AceSense vs PB Vision: same AI, different sport — which one for you
AceSense vs PB Vision compared. Both use similar AI. AceSense is tennis-first; PB Vision is paddle-sport-first. Honest 2026 side-by-side.
SwingVision Plus, Pro, Max: what's actually different (and what it costs)
SwingVision pricing explained — Plus $14.99, Pro $24.99, Max $39.99. What each tier unlocks, the $400/yr complaint, and how AceSense compares.
AceSense vs SwingVision: side-by-side for amateur players
AceSense vs SwingVision compared for amateur players — features, accuracy, price, Android support. Honest 2026 side-by-side with sources.
I almost bought an iPhone for SwingVision. Here's what I tried instead
I almost bought an iPhone just to use SwingVision. Then I built AceSense — an AI tennis analysis app that runs on the Android phone I already owned.
Best tennis video analysis app for Android in 2026
An honest 2026 list of every tennis video analysis app that actually works on Android — reviewed for accuracy, price, and what each is genuinely best for.
The SwingVision Android alternative, explained
Looking for a SwingVision Android alternative? AceSense runs the same kind of AI tennis analysis on a phone-recorded video — no Apple Watch, no iPhone.