Comparison

Linedancer vs Jetting Rotax Max Kart

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Linedancer

Access dance charts, reviews, and videos on the go. Save dance scripts to your device for offline practice, making it ideal for teachers and dancers.

Highlights
  • Review current dance charts
  • Access latest reviews and videos
  • Search for dances
  • Save dance scripts offline
  • Practice dances without internet
Features
Read full description

The free Linedancer app works alongside the magazine and website to bring your dances to your pocket. With the app you can review our current charts, latest reviews and videos, search for dances and much more. But, unique to the app once you can save the dance scripts to your device for later use - accessing the scripts whether or not you have access to the internet. Great for teaches and dancers alike wanting to practise the dances.

About

Jetting Rotax Max Kart

This app provides jetting recommendations for Rotax 125 Max non-EVO kart engines using environmental data and engine configuration. It offers two tuning modes and detailed insights into fuel mix quality and carburetor performance.

Highlights
  • Jetting recommendations for Rotax 125 Max engines
  • Automatic weather data acquisition
  • Two tuning modes: 'By regulations' and 'Freestyle'
  • Detailed tuning parameters
  • History of jetting setups
  • Graphic display of fuel mix quality
  • Adjustable fuel/oil ratio
Features
Read full description

This app provides, using temperature, altitude, humidity, atmospheric pressure and your engine configuration, a recommendation about jetting for karts with Rotax 125 Max non-EVO engines, which use a Dellorto VHSB 34 QS/QD carbs: • Micro with stop sleeve RTX251730 • Micro/Mini with restrictor RTX267530 or RTX267535 • Micro/Mini without any restrictors • Junior • Senior • DD2 • Supermax This app can obtain automatically the position and altitude to get the temperature, pressure and humidity from the nearest weather station thought internet. Internal barometer is used on supported devices for better precision. Application can run without GPS, WiFi and internet, in this case user has to enter weather data manually. • Two different tuning modes: "By regulations" and "Freestyle"! • In first mode, the following values are given: main jet, spark plug, spark plug gap, needle type and position (including intermediate positions with washer), air screw position, idle screw position, optimal water temp, gear oil recommendation • In second mode (Freestyle), the following values are given: main jet, spark plug, emulsion tube, needle, needle type and position (including intermediate positions with washer), venturi, idle jet (outer pilot jet), idle emulsifier (inner pilot jet), air screw position • Fine tuning for all these values • History of all your jetting setups • Graphic display of fuel mix quality (Air/Flow Ratio or Lambda) • Selectable fuel type (VP MS93, gasoline with or without ethanol) • Adjustable fuel/oil ratio • Adjustable floats height • Mix wizard to get the perfect mix ratio (fuel calculator) • Carburetor ice warning • Possibility of use automatic weather data or a portable weather station. • If you don't want to share your location, you can manually select any place in the world, jetting recommendation will be adapted for this place • let you use different measure units: ºC y ºF for temperatures, meter and feet for altitude, liters, ml, gallons, oz for fuel, and mb, hPa, mmHg, inHg atm for pressures The application contains four tabs, which are described next: • Results: In this tab two jetting setups are shown. These data are calculated depending on the weather conditions and the engine and track configuration given in the next tabs. This tab lets do a fine tuning adjustment for all values for each jetting setup to adapt to the concrete engine. Besides this jetting information, the air density, density altitude, relative air density, SAE - dyno correction factor, station pressure, SAE - relative horsepower, oxygen pressure and volumetric content of oxygen are shown too. You can also see in a graphic form the calculated ratio of air and fuel (lambda). • History: This tab contains the history of all jetting setups. If you change the weather, or engine setup, or fine tuning, the new setup will be saved in history. • Engine: You can configure in this screen the information about the engine, that is, engine model (Micro Max, Mini Max, Junior Max, Senior, Max DD2), needle type, float type and height, venturi (8.5 or 12.5), idle jet, idle emulsifier, fuel type, oil mix ratio and type of the track. Depending of this parameters, the jetting setups will be adapted. • Weather: In this tab, you can set the values for current temperature, pressure, altitude and humidity. Also this tab allows to use the GPS to get the current position and altitude, and connect to an external service to get the weather conditions of the nearest weather station. In addition, this app can work with a pressure sensor built into the iPhone. You can see if it is available on your device and turn it on or off. For Rotax Max EVO Engine please try our other app: Jetting Rotax Max Evo Kart. If you have any doubt about using this App, please, contact us. We answer every question, and we take care of all comments from our users to try to improve our software. We are also users of this application.

Screenshots

Linedancer4 screens
Jetting Rotax Max Kart4 screens

Verdict

The call

The clearest difference is price: Linedancer at Free against Jetting Rotax Max Kart's $7.99. Linedancer also leads on review sentiment (100% vs 92%). Jetting Rotax Max Kart's advantage is rating (4.9 vs 4.0) and ratings volume (9 vs 3). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Linedancer is free to download; Jetting Rotax Max Kart costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Jetting Rotax Max Kart holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 3 and 9 respectively. Written reviews complicate that: 100% of Linedancer's written reviews are positive against 92% of Jetting Rotax Max Kart's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 16, 2026 and September 25, 2026 respectively.

Scorecard6 real differences · 4 level
Linedancer versus Jetting Rotax Max Kart: the parameters behind the verdict, then further details
ParameterLinedancerJetting Rotax Max Kart
PriceFree — better$7.99
Rating4.0 (3 ratings)4.9 (9 ratings) — better
Positive reviews100.0% of reviews — better91.7% of reviews
Number of ratings39 — better
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size2 MB40 MB
Age rating12+4+
Developerkeith luntBallistic Solutions LLC

Customer experience

Linedancer

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Jetting Rotax Max Kart

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive91.7%
Neutral4.2%
Negative4.2%

In-app purchases

None

Linedancer

No in-app purchases

None

Jetting Rotax Max Kart

No in-app purchases

Questions

Is Linedancer free?
Linedancer is free to download, with no in-app purchases.
Is Jetting Rotax Max Kart free?
Jetting Rotax Max Kart costs $7.99, with no in-app purchases.
Which has better reviews, Linedancer or Jetting Rotax Max Kart?
Jetting Rotax Max Kart is rated higher. Linedancer averages 4.0 out of 5 from 3 ratings, while Jetting Rotax Max Kart averages 4.9 from 9 ratings.
Do Linedancer or Jetting Rotax Max Kart have ads?
Neither Linedancer nor Jetting Rotax Max Kart shows ads.
Which is updated more often, Linedancer or Jetting Rotax Max Kart?
Linedancer ships an update monthly, and Jetting Rotax Max Kart monthly. Most recently, Linedancer was updated on September 16, 2026 and Jetting Rotax Max Kart on September 25, 2026.

Other comparisons