Himawari Circuit turns a day at the track into something you can look back on.
It times your laps with GPS and records your driving line, speed and G-force together. After the session you can see, on the map, where you were quick and where you lost time.
AUTOMATIC LAP TIMING
Every time you cross the control line, a lap is recorded, along with sector times, top speed and average speed. Each lap time is announced out loud, so you never have to look at the screen while you drive.
DRIVING LINES YOU CAN COMPARE
Your line is drawn on the map, colored by speed or by G-force, so you can see where you are on the power and where you are not turning.
Lay your own earlier runs over it, or line up runs from friends in the same group. In replay, up to four cars move at once, so you can watch the gap open up.
SESSION VIDEO
Record with your phone as you drive and play it back with your telemetry over it. Only your best lap is kept, and it never leaves your phone.
YOUR SESSIONS ARE KEPT FOR YOU
Sessions upload automatically when you finish. With no signal they stay on your phone and go up once you are back online.
VEHICLES AND TIRES
Record sessions per vehicle, with maintenance records and tire details, so you can trace how a setup changed your times.
WITH YOUR FRIENDS
Create a group to share sessions and leaderboards with its members. Live timing shows where your friends are on track, and their lap times, as they drive.
EXTERNAL GPS RECEIVERS
Works with RaceBox, DigSpice IV and the self-built Himawari GPS. A phone's built-in GPS updates about once per second; an external receiver updates far more often, which makes lines worth comparing.
WHAT YOU CAN TIME
Circuits and closed courses, and point-to-point runs such as hill climbs.
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PLANS
The free plan covers lap timing, session recording, the track list and leaderboards, and cloud sync of your sessions.
Paid plans are monthly. Each period is one month and renews automatically until you cancel. Cancel in your App Store subscription settings. Prices and what each plan includes are shown on the plan screen in the app.
- Lap Pro - session video recording, compare your own driving lines, session replay, the speed chart in the comparison view, CSV export, tire and maintenance records, and notes after each session
- Drivers Club - groups and chat, live timing to share and watch, leaderboard listing, and visibility settings
- Premium - everything above, plus laying your friends' driving lines over your own
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BEFORE YOU DRIVE
This app is meant for race tracks and other places where driving at speed is allowed. Set it up before you drive, and never operate your phone while driving. It does not encourage speeding or unlawful driving on public roads.
The times shown are estimates based on positioning. They are not guaranteed to match official timing.
Your location is recorded only while the app is on screen. It is never collected in the background.
You must be 18 or older to use Himawari Circuit.
SUBSCRIPTION DETAILS
- Premium (1 month): $7.99
- Drivers Club (1 month): $4.99
- Lap Pro (1 month): $4.99
Payment is charged to your Apple ID account at confirmation of purchase.
Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period.
Your account is charged for renewal within 24 hours before the end of the current period.
You can manage your subscription and turn off auto-renew in your App Store account settings after purchase.
The free trial is available for Premium only. The first 3 months are free, and after the trial it renews at $7.99 per month.
Cancel at least 24 hours before the trial ends and you will not be charged.
Lap Pro and Drivers Club do not have a free trial.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://circuit.himawari-tech.jp/legal/privacy?lang=en
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