Comparison

TireLab vs iSeal Calculator

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

Head to head
About

TireLab

This app helps you compare and visualize different tire and wheel configurations for your vehicle. It calculates key dimensions, checks for fitment issues, and provides technical references. Supports both Imperial and Metric units.

Highlights
  • Compare tire and wheel dimensions
  • Visualize configurations with cutaway views
  • Fitment calculator for vehicle compatibility
  • Technical reference and glossary
  • Imperial and Metric unit support
  • Intuitive interface
Features
Read full description

HOW TO USE TIRELAB: 1) Set wheel sizes 2) Compare and visualize differences Changing tires or rims on your vehicle? This is the app for you! TireLab is an advanced, yet VERY easy to use, tire and wheel calculator that allows the manipulation of the multiple dimensions of several tire and wheel combinations. It allows professionals, enthusiasts, and weekend mechanics the ability to examine, compare, and visualize multiple tire and wheel configurations in real time. Features: 1) Calculates, compares, and displays all key tire and wheel data points TIRE - Compatible rim sizes - Diameter - Difference - Distance per revolution (circumference) - Odometer error (difference in odometer) - Radius - Revolutions per mile - Revolutions per kilometer - Section (sidewall) height - Section width (tire width) - Size - Speedometer error (difference in speed) WHEEL - Backspace - Difference - Offset - Lip inset - Size 2) Tire/wheel configuration fitment calculator Provides the user the ability to identify vehicle fitment related issues that may potentially result from different tire and wheel configurations. - Axel/ride height - Brake component clearance - Fender (outside) clearance - Suspension (inside) clearance - Wheelwell clearance 3) Intuitive and easy to navigate interface TireLab provides for the ability to manipulate the key dimensions of both tires and wheels. If you desire to only utilize the tire modeling functionality you need only to adjust the tire measurements. All of the controls will automatically adjust to safe and compatible configuration thresholds. 4) Detailed scaled visual representations View, and compare, detailed representations of tire and wheel configurations. A unique "cutaway view" of the wheel provides the user with the ability to visualize and compare key tire and wheel measurements for multiple configurations. In addition, a unique "tire view" permits the user the ability to visualize and compare scale representations of different tire configurations. 5) Tire compatibility display Provides the user a list of compatible tire sizes and accurately indicates the differences in both tire width and tire diameter. 6) Tire and wheel technical reference Provides the user the ability to view codes, definitions, and technical specifications. -Tire construction -Load Index chart -Load Ranges -Speed Ratings -Tire types -Temperature Grades -Traction Grades -Treadwear Grades 7) Tire and wheel technical glossary Includes an extensive dictionary of tire and wheel technical terminology. 8) Imperial and Metric Full Imperial (standard) and Metric support. All information is displayed in both Imperial and Metric units.

About

iSeal Calculator

Features
Read full description

Take the guesswork out of tire fluid calculations! Our simple yet powerful calculator helps you determine the exact fluid oz, application amount, and hand pumps needed based on tire width and wheel diameter/size. Whether you're on-road or off-road, get accurate results in an instant. Perfect for mechanics, DIY enthusiasts, and professionals alike!

Screenshots

TireLab4 screens
iSeal Calculator2 screens

Verdict

The call

The clearest difference is price: iSeal Calculator at Free against TireLab's $1.99. iSeal Calculator also leads on iOS requirement (14.0 vs 18.0). 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

iSeal Calculator is free to download; TireLab costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TireLab ships an update every 7 months, iSeal Calculator every 14 months. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
TireLab versus iSeal Calculator: the parameters behind the verdict, then further details
ParameterTireLabiSeal Calculator
Price$1.99Free — better
Rating5.0 (8 ratings) — better—
Positive reviews68.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 7 months — betterEvery 14 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.014.0 — better
Further details — not scored
Size1 MB15 MB
Age rating4+4+
DeveloperMichael WeberRex Hidle & Associates, LLC

In-app purchases

None

TireLab

No in-app purchases

None

iSeal Calculator

No in-app purchases

Questions

Is TireLab free?
TireLab costs $1.99, with no in-app purchases.
Is iSeal Calculator free?
iSeal Calculator is free to download, with no in-app purchases.
Do TireLab or iSeal Calculator have ads?
Neither TireLab nor iSeal Calculator shows ads.
Which is updated more often, TireLab or iSeal Calculator?
TireLab ships an update every 7 months, and iSeal Calculator every 14 months. Most recently, TireLab was updated on November 6, 2026 and iSeal Calculator on October 28, 2026.

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