Comparison

iRaceWeigh vs Kartnote

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

Head to head
About

iRaceWeigh

This app connects to specific weighing systems and pressure gauges via Bluetooth or Wi-Fi to display live weights and tire pressures. Users can manually enter, view, and save vehicle weight statistics and tire pressure data, exporting it to spreadsheets.

Highlights
  • Connect to Intercomp scales via Bluetooth/Wi-Fi
  • Display live weights
  • View and save tire pressures
  • Calculate weight statistics (Front, Rear, Cross Totals)
  • Export data to CSV files
  • Connect to RFX Wireless Indicators
Features
Read full description

Intercomp’s iRaceWeigh™ is designed to work with Intercomp’s line of weighing systems and pressure gauges. - Mobile devices can use Bluetooth® to connect to Intercomp XBT scales in Expert Weigh and Classic Weigh systems as well as Intercomp RFX™ Wireless Indicators (SW650RFX™, SW777RFX™, or SW888™) produced after Jan. 1, 2020 to display live weights. - An Intercomp Wi-Fi Module with the app in Wi-Fi Module mode can connect to the RFX™ Wireless Weighing Systems. - iRaceWeigh™ allows the user to manually enter, view and save weights along with the vehicle weight statistics like Front, Rear, Left, Right and Cross Totals with Percents. - Connect to an Intercomp Digital Memory Air Pressure Gauge using Bluetooth® to view and save the cold/out and hot/in pressures from the gauges saved memory banks and calculate the gain. - The saved weight and pressure sessions can be exported to spreadsheet via email (.csv file). iRaceWeigh™ combines Intercomp’s industry leading RFX™ Wireless Weighing Technology with a convenient iOS mobile app.

About

Kartnote

Features
Read full description

Kartnote is a focused karting logbook for drivers, mechanics, racing families, and small teams. Track race sessions, lap and sector times, kart setups, weather conditions, and driver progress—all organized in one dependable place. Stop relying on messy notebooks or scattered spreadsheets. Kartnote makes it simple to preserve what happened on track so you can focus on getting faster. RECORD THE DETAILS THAT MATTER: • Lap and Sector Times: Enter lap and sector times while Kartnote automatically calculates your personal bests. • Detailed Setup Tracking: Log chassis, engine, and tire setups alongside weather and track temperatures. • Session Context: Record the date, track, kart, class, and session type—from Practice and Qualifying to Heats, Pre-Finals, Finals, and Races. • Driver Feedback: Save session notes and driver comments while they are still fresh. ANALYZE YOUR PROGRESS: Build a reliable history of every race weekend and test day. Review sessions by track, driver, kart, or class to understand what changed and how performance developed over time. Kartnote automatically calculates useful statistics including best lap, average lap, consistency, total lap count, and distance. BUILT FOR DRIVERS, FAMILIES, AND SMALL TEAMS: Manage multiple drivers as well as shared karts, engines, and classes using one logbook. Every session connects the driver, equipment, setup, conditions, and lap times—making Kartnote useful for solo racers, parents managing their children’s karts, instructors, mechanics, and small teams. A FREE CORE YOU CAN RELY ON: No subscription is required to: • Log, edit, and review unlimited sessions • Manage drivers, karts, engines, classes, and tracks • Sync your data across devices with iCloud • Export your data as CSV files for analysis or archival UNLOCK KARTNOTE PRO: Kartnote Pro adds deeper analysis and time-saving workflows: • Session Comparison: Compare your performance with the previous relevant session at the same track. • Setup and Weather Differences: Review chassis, tire, engine, and weather changes side by side. • Smart Autofill: Save time at the track by filling setup values from relevant previous sessions. • Advanced Insights: See track-specific progress and richer dashboard analytics. • Bulk Management: Assign equipment and classes to multiple past sessions and merge duplicate classes. Whether you are testing subtle setup changes, chasing personal bests, or building a long-term kart racing history, Kartnote gives you a dependable performance record for every day on track. Kartnote Pro is available as an optional annual auto-renewing subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iRaceWeigh4 screens
Kartnote4 screens

Verdict

The call

The clearest difference is update cadence: Kartnote at weekly against iRaceWeigh's every 7 months. iRaceWeigh's advantage is iOS requirement (15.6 vs 17.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iRaceWeigh ships an update every 7 months, Kartnote weekly. The most recent releases landed on September 10, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
iRaceWeigh versus Kartnote: the parameters behind the verdict, then further details
ParameteriRaceWeighKartnote
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size10 MB4 MB
Age rating4+4+
DeveloperIntercompNordlate Oy

In-app purchases

None

iRaceWeigh

No in-app purchases

None

Kartnote

No in-app purchases

Questions

Is iRaceWeigh free?
iRaceWeigh is free to download, with no in-app purchases.
Is Kartnote free?
Kartnote is free to download, with no in-app purchases.
Do iRaceWeigh or Kartnote have ads?
Neither iRaceWeigh nor Kartnote shows ads.
Which is updated more often, iRaceWeigh or Kartnote?
iRaceWeigh ships an update every 7 months, and Kartnote weekly. Most recently, iRaceWeigh was updated on September 10, 2026 and Kartnote on October 3, 2026.

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