Himawari CIRCUIT vs LAP＆LEAN

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. Times are interpolated between GPS fixes, so a lap is not lost when there is no fix at the moment you cross the line. 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. 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 and DigSpice IV. A phone's built-in GPS updates about once per second; an external receiver updates far more often, which makes lines worth comparing. If the connection drops, recording falls back to the built-in GPS, so nothing is lost. WHAT YOU CAN TIME Circuits and closed courses, and point-to-point runs such as hill climbs. -------------------------------- 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 - 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 -------------------------------- 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 month is 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

A GPS lap timer and lean-angle logger built for motorcycles. Record and analyze a whole track day with nothing but your iPhone. ◆ Made for bikes — lap times and lean angle Unlike a general-purpose lap timer, this app measures your bike's lean angle. Stand the bike upright before you set off and tap once — that is the whole setup. As soon as you start riding, the app learns which way the bike points from your GPS heading, so it records lean correctly no matter how your phone is mounted (portrait, landscape or angled). Right-hand lean is logged as R and left as L, and you keep the maximum lean angle for every corner. ◆ Build your own courses — local tracks welcome 28 preset circuits are included, covering every venue on the 2026 MotoGP calendar: Assen, Mugello, Silverstone, Circuit of The Americas, Jerez, Barcelona-Catalunya, Sepang, Phillip Island and more, plus Japanese circuits such as Suzuka, Motegi and SUGO. You can also draw your own. Place the control line, sectors and corners on the map and any local circuit or practice course becomes a timed course. Point-to-point layouts with a separate start and finish, such as hillclimbs, are supported alongside conventional lap circuits. ◆ Accurate lap timing Line crossings are interpolated from the GPS trace to give lap times accurate to 0.01 s relative within a session. Out-laps and any other laps you do not want are easy to exclude from the totals after you finish. ◆ Sector and corner analysis Every line you draw splits the lap into another sector, and each sector time is recorded and shown live while you ride. Entry speed and maximum lean angle are captured corner by corner, so the detail of your riding is there to see. ◆ Trend charts show your progress The more sessions you ride, the further your best lap, sector times, corner lean angles and corner speeds extend across the chart. Switch by course and by metric to see your improvement at a glance. ◆ Review it properly afterwards The session view puts the summary, laps, sectors, corners and a course preview on one screen. Open a lap for speed and lean-angle graphs, with each corner drawn on a motorcycle illustration tilted to the angle you actually reached. ----------------------------- Highlights - Everything runs on your iPhone. No account, no server, fully local - The screen stays awake while timing, so it stays readable on the move - Speed in km/h or mph, matched to your region or set by hand - Favorite courses for one-tap selection ----------------------------- For safe use - We recommend using this app in a safe, controlled environment such as a racing circuit. - When riding on public roads, always obey traffic laws and ride at a safe speed. - The app and its developer accept no liability whatsoever for any damages arising during use of this app. Here to support safe, enjoyable riding.