In/Out: The Portable Ready-to-Use $229 Line Call Device



Real-time light and sound to signal if the ball is in or out

Already 1M line calls signaled and counting...!
 


10,000+

Courts calibrated


2,000,000+

Line Calls Signaled


65mph

Average Ball Speed



One In/Out on a net post:
this is Three features


HD recording

Learn from your own mistakes

HD 1080p recording for each court side


Line Calling

Stop the endless controversies

Real-time light and sound to signal the call


Stats Analysis

Analyze shots placements

Graphical shot placement and csv export

In/Out is the #1 line calling solution:
In/Out has been tried on more tennis courts than any other system

99% accurate, 100% trustworthy

And a lot of features:

ATTACH TO ANY NET POST

Install in seconds with the smart attach.

PORTABLE, ZERO-SETUP

Ready-to-use with the court auto-calibration.

KEEP ON PLAYING

The battery runs 90 minutes up to 2 hours.

STREAM OR STORE VIDEO

HD record: Live mode or SD card standalone.

REAL-TIME PROCESSING

Instant data processing, no cloud dependencies.

STATS LIKE ON TV

Get the same stats the pros use.

ANDROID AND IOS SUPPORT

Compatible with any low-end phone or tablet.

CSV EXPORT

Raw stats to be imported into Excel.

So much better than a tennis racket sensor!

Don't waste your money! Buy the device that's going to really help your tennis. Not only In/Out can provide all the stats that a racket sensor provides, but with In/Out, you are getting all the useful outcome-driven stats analysis, aka. ball location, ball speed and height over the net. Plus, with the real-time light and sound notification of line calling, you can be sure your opponent doesn't make wrong calls.

Mobile App and Cloud

The In/Out device can work in standalone but the Companion Apps provide additional features. Stats Analysis can be consulted on Android, iOS and the web

SmartWatch App

Watch how tennis is going to be experienced in the twenty first century!

Version 1.1

Current status:

Hardware: version 1.1

Software: Beta 2

Hardware v.1.1

Reinforced carrying ball

Better materials of the carrying ball to resist external shocks

Hardware v.1.1

Improved plastic enclosure

Camera eyebrown redesign
Reverse battery protection

Software Beta 2

Star-rating court calibration

Easy visualization if the calibration is successful or not

Software Beta 2

Pixel line calling algorithm

Advanced algorithm when the call is close to the line

Electronics specifications have not changed between version 1.0 (2017) and current version 1.1 (2018).
Software is fully compatible with the same experience for both hardware versions.

Special offer for Tennis Clubs

One court fully equipped with two devices and two fixed attachments for only $499 - no recurring fee!


2 devices

Best to cover one full court


2 cages

Carbon-fiber fixed attachments

$499 upfront and 0$/month

In/Out is the most affordable line calling solution in the market

Register your email for promotions and news!

We run promotions such as free battery or free shipping from time to time: this form is the best place to be notified.

3 Pricing Options

There is an In/Out solution for every wallet!

1 Device

$229
  • Ideal for video recording and stats
  • - To use In/Out on any tennis court
  • - Ideal for video and statistics
Buy now

2 Devices

$229 + $199
  • For best reliability and optimal accuracy
  • - Strongly recommended for match mode
  • - Recommended for future double support
Buy Now

2 Fixed Devices

$499
  • Designed and tailored for tennis clubs
  • - One court optimally covered
  • - Fixed carbon-fiber attachments
Buy Now

You can buy up to 10 units in the store, bulk pricing is available on request.

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