# TennisPose3D — AI Tennis Form Coach in 3D

> AI Tennis Form Coach in 3D (iPhone/iPad app by Riki Suzuki.)

- Source: https://appshunter.io/ios/app/tennispose3d/id6825789766 (this page in markdown: same URL + `.md`)
- Developer: [Riki Suzuki](https://appshunter.io/developer/1833465762)
- Category: Sports, Health & Fitness
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 35 MB
- Languages: American English, Japanese
- Released: 2026-10-24
- Data updated: 2026-10-31

## What is TennisPose3D?

Set your iPhone to the side and hit forehands. TennisPose3D tracks your body from the camera, turns it into a 3D skeleton, checks every swing, and gives you a short spoken tip on what to fix. Practicing alone, between lessons, or doing shadow swings at home, you can see your own form in 3D.

WHAT IT DOES

AI turns the camera's 2D skeleton into a 3D skeleton in real time
Finds each swing automatically and tells forehands, backhands and serves apart
Measures knee bend, shoulder turn, follow-through and weight shift on every forehand
Speaks a short tip during practice, only for issues that keep coming up ("Bend your knees", "Turn your shoulders more"), so you never need to look at the screen
After practice, review how often each issue came up and go through every swing
Watch a short clip of each swing and spin its 3D skeleton with your finger to see your form from any angle
Works for right- and left-handed players
HOW TO USE

Place your iPhone to the side with your whole body, head to feet, in view
Pick 1 or 5 minutes and tap Start
Hit forehands and use each tip on the next swing
Afterwards, review your issues and swings in Records
TIPS

Film from directly to your side, about 2 to 4 m (7 to 13 ft) away, for the best accuracy
Bright light keeps the skeleton steady
Shadow swings without a ball work too
PRIVACY All video analysis runs on your iPhone. Video and skeleton data never leave your device. No account, no ads, no tracking.

FREE PLAN AND PRO The free plan includes five 1-minute and three 5-minute sessions each month, and keeps your two newest sessions. Pro (auto-renewing monthly or yearly subscription) gives you unlimited sessions and keeps all your records. The yearly plan starts with a 1-week free trial.

Payment is charged to your Apple Account at confirmation of purchase
The subscription renews automatically at the same length and price unless canceled at least 24 hours before the end of the current period
Cancel during the free trial and you will not be charged
Cancel anytime in Settings → Apple Account → Subscriptions on your iPhone.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 
Privacy Policy: https://rikky300.github.io/tennispose3d/privacy.html

PERFORMANCE Analysis runs on your iPhone, so newer models run it more smoothly (30 frames per second confirmed on iPhone 14). Requires iOS 17 or later.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $29.99 | per year |


## Is TennisPose3D safe?

Not enough ratings yet to assess TennisPose3D.

## Is TennisPose3D legit?

TennisPose3D appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for TennisPose3D is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0.0 — 2026-10-24

No release notes.

## More apps by Riki Suzuki

- [OneBreath: Screen Time Blocker](https://appshunter.io/ios/app/onebreath-screen-time-blocker/id6751109152)
- [Zubora-写真で食事の栄養・カロリー解析,コンビニ飯提案](https://appshunter.io/ios/app/zubora/id6763511988)

All apps by Riki Suzuki: https://appshunter.io/developer/1833465762

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-31.*