Price and ratings
- Price
- £7.99
- Rating
- 5.0 out of 5
- Ratings
- 1Australia
Versions
- Released
- 22 Jun 201511 years ago
- Last update
- 4 days agoVersion 2.6
- Requires
- iOS 15.0 or later
Details
- Size
- 6.8 MB
- Languages
- 13
Main jet, needle position and spark plug for your Rotax Max EVO — Micro MAX, Mini MAX, Junior, Senior, DD2 and Supermax — worked out from the real temperature, humidity, pressure and altitude, and from the fuel you use. WHY THIS APP • Apple Watch app, widgets and Live Activity: your main jet for right now on your wrist, on the lock screen and in the Dynamic Island. • It alerts you when the weather changes enough to change the main jet or the needle, also from the hourly forecast. • Track mode:
Competitors
Full chartTop of Paid · Sports in Australia. Jetting for Rotax Max EVO Kart is #18 there. Changes are over 7 days.
- #1 (number one)Change unknown
Shot TracerVisual Vertigo Software Technologies GmbH - #2Change unknown
FlyskyhyRenevision - #3Change unknown
RaceChrono ProRaceChrono Oy - #4Change unknown
Court Time Basketball Subs AppMichael Westthorp - #5Change unknown
Around the SticksTim Metherall - #6Change unknown
Tennis Australia TechniqueTennis Australia - #7Change unknown
Soccer TeammateAndrew England - #8Change unknown
Basketball Clipboard BlueprintKnowledge Spot Inc. - #9Change unknown
VeloRand – Random Bike RoutesPatrick Engels-Kolodziej - #10Change unknown
Jetting Vortex ROK GP KartBallistic Solutions LLC - #11Change unknown
Tour TempoTour Tempo - #12Change unknown
ArcherySuccess - Score & PlotAllTen Software Limited - #13Change unknown
Australia Game and Pest CallsAaron Newnham - #14Change unknown
JB4 MobileDmac Mobile Developments, LLC - #15Change unknown
My Dart Training (Premium)Manfred Buettner - #16Change unknown
AFL ScoreKeeper: Footy ScorerGavin Hart - #17Change unknown
TargetScan - Pistol & RifleDeep Scoring Ltd - #19Change unknown
LapTracker - Auto TimerSten Kaiser - #20Change unknown
Stableford Scorergareth abbey - #21Change unknown
Polework PatternsNina Gill
Store listing
How the app presents itself on the App Store. Select a screenshot to open it full size.
What's new
Version 2.6 · 4 Oct 2026 · 4 days ago
Version 2.6 • Apple Watch, widgets and Live Activity: your main jet for right now on your wrist, on the lock screen and in the Dynamic Island throughout your track day. • Track mode: your jetting large and high contrast, to read it in full sun with your helmet on. • Alerts when the weather changes enough to change the main jet or the needle: "Air density has risen by 1.6 % since your last calculation. The main jet stays at 125; the needle goes to clip 4". • Fuel: 98 E5, E10, ethanol-free or race fuel, and the jetting is corrected for it. • Carburettor icing warning, using the criterion of civil aviation. • 144 tracks, and when you fetch the weather the app detects which one you are at. • Logbook synced through iCloud, and your jetting shared with your mechanic as a link or a QR code. • Location also works on iPad without GPS and indoors, and reporting a problem is one tap away from Results. The calculation coefficients do not change: with 98 E5, the usual fuel, the result is the same as before. IN EARLIER VERSIONS • 2.5: fuel and oil mix calculator, and a refreshed icon. • 2.4: track logbook with self-calibration; Micro and Mini by spec (MY20) instead of by year; the two neighbouring jets; sharing as an image; Conditions on a single screen; new interface with dark mode and six more languages. • 2.3: the app renewed for iOS 26, with engine years up to the current one and 0 °C no longer read as 25.
Current rankings
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| Australia· Paid · Sports | #18 | Change unknown | Change unknown | #18 | 1 |
| United Kingdom· Paid · Sports | #35 | Change unknown | Change unknown | #35 | 1 |
| France· Paid · Sports | #90 | Change unknown | Change unknown | #90 | 1 |
Rank history
Higher on the chart is better: #1 is at the top.
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Not enough history yet
The chart fills in as new snapshots arrive (about every 6 hours).
Ranking events
Entries, big moves, #1s and new versions we've recorded.
No events recorded yet
Events appear as the app enters charts, moves 25+ places or ships a new version.
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