Jetting Vortex ROK GP Kart vs Trackday Plot
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jetting Vortex ROK GP Kart
This app provides optimal carburetor and spark plug recommendations for Vortex ROK kart engines based on weather conditions and engine configuration. It offers two tuning modes, detailed configuration options, and a history of past setups. Supports automatic or manual weather data input and various measurement units.
- Optimal carburetor configuration recommendations
- Spark plug selection and gap settings
- Two tuning modes: 'By regulations' and 'Freestyle'
- Automatic or manual weather data input
- History of carburetor configurations
- Graphic display of fuel mix quality
- Selectable fuel types and adjustable fuel/oil ratio
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This app provides, using temperature, altitude, humidity, atmospheric pressure and your engine configuration, a recommendation about optimal carburetor configuration (jetting) and spark plug to use for karting Vortex ROK engines (ROK MINI, ROK GP JUNIOR, ROK GP SENIOR), which use a Dellorto VHSH 30 and PHBG 18 carburetor. This app can obtain automatically the position and altitude to get the temperature, pressure and humidity from the nearest weather station through the internet. Internal barometer is used on supported devices for better precision. Application can run without GPS, WiFi and internet, in this case the 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, optimal water temperature, 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), throttle valve size, idle jet (outer pilot jet), idle emulsifier (inner pilot jet), air screw position • Fine tuning for all these values • History of all your carburetor configs • Graphic display of fuel mix quality (Air/Flow Ratio or Lambda) • Selectable fuel type (gasoline with or without ethanol, Racing fuels available, for example: VP C12, VP 110, VP MRX02, Sunoco) • 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, the carburetor setups 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 for pressures The application contains four tabs, which are described next: • Results: In this tab two carburetor configs are shown ('By regulation' and 'Freestyle'). These data are calculated depending on the weather conditions and the engine and track configuration given in the next tabs. Also this tab lets do a fine tuning adjustment for all values for each carburetor setup to adapt to the concrete engine. Also the air density, density altitude, relative air density, SAE - dyno correction factor, station pressure, SAE- relative horsepower, volumetric content of oxygen, oxygen pressure 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 carburetor configs. This tab also contains your favorite carburetor configs. • Engine: You can configure in this screen the information about the engine, that is, engine model, spark plug manufacturer, float type and height, fuel type, oil mix ratio and type of the track • 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 (you can choose one weather data source from several possible) to get the weather conditions of the nearest weather station (temperature, pressure and humidity). In addition, this application 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. Also, on this tab, you can enable alerts about possible carburetor icing. 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
Trackday Plot
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Trackday Plot - Racing data analysis made simple Get powerful insights from your racing sessions with Trackday Plot, the ultimate tool for analyzing track performance data with ease and precision. ONE APP, ALL DEVICES Trackday Plot works across all your Apple devices. Whether you're reviewing data on your iPhone between sessions, analyzing detailed charts on your iPad, or conducting comprehensive analysis on your Mac. EASY-TO-USE RACING ANALYSIS • Interactive Track Map - Visualize your racing line with GPS data overlaid on detailed track map • Video Recordings - Load your accompanied video file for the session logs • Segment Analysis - Break down your laps into segments, compare your laps performance at each waypoint • Charts Plot - Analyze the telemetry data on informative smooth charts, instantly spot the gains or mistakes • Extended Data Analysis Features - Easily pick data differences, limits and consequences through provided in-app tools UNIVERSAL FILE SUPPORT • VBO, CSV and GPX Files - Import data from any telemetry logger or racing app through VBO or CSV file. Logs from external GPS devices also supported • Open GoPro Video Directly - The app parses embedded GPS logs out of the box • Smart Parsing - The app automatically detects various data formats and supports wide range of standards NATIVE UI, SMOOTH PERFORMANCE • Smooth, Native Performance - Built with Apple's latest UI framework for buttery-smooth interactions and crisp, detailed visuals • Perfect for Every Device - Optimized layouts for iPhone, iPad, and Mac with device-specific interfaces • Light or Dark Theme - Seamless light and dark theme support that adapts to your preferences Perfect for racing drivers, track day enthusiasts, and motorsport professionals who demand the best tools for analyzing their performance data.
Screenshots
Verdict
The clearest difference is price: Trackday Plot at Free against Jetting Vortex ROK GP Kart's $7.99. Jetting Vortex ROK GP Kart's advantage is update cadence (every 11 days vs every 3 months) and iOS requirement (9.0 vs 26.0). On 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
Trackday Plot is free to download; Jetting Vortex ROK GP Kart costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Jetting Vortex ROK GP Kart ships an update every 11 days, Trackday Plot every 3 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Jetting Vortex ROK GP Kart | Trackday Plot |
|---|---|---|
| Price | $7.99 | Free — better |
| Rating | 3.5 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 11 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 43 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Ballistic Solutions LLC | Volodymyr Ivanyshyn |
In-app purchases
Jetting Vortex ROK GP Kart
No in-app purchases
Trackday Plot
No in-app purchases
Questions
Is Jetting Vortex ROK GP Kart free?
Is Trackday Plot free?
Do Jetting Vortex ROK GP Kart or Trackday Plot have ads?
Which is updated more often, Jetting Vortex ROK GP Kart or Trackday Plot?
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