# Tire Size Calculator ISO/LT vs 3D Wheel Alignment

The clearest difference is in-app purchases: 3D Wheel Alignment at none against Tire Size Calculator ISO/LT's 2. 3D Wheel Alignment also leads on iOS requirement (8.1 vs 18.0). Tire Size Calculator ISO/LT's advantage is update cadence (monthly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Tire Size Calculator ISO/LT sells 2 in-app purchases, starting at $1.99 per month. 3D Wheel Alignment asks for nothing beyond the download.

Tire Size Calculator ISO/LT ships an update monthly, 3D Wheel Alignment every 6 months. The most recent releases landed on November 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tire Size Calculator ISO/LT | 3D Wheel Alignment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (103 ratings)](https://appshunter.io/ios/app/tire-size-calculator-isolt/id892154550/reviews)** | — |
| Number of ratings | **103** | — |
| Positive reviews | 74.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 4 MB |
| Requires iOS | 18.0 | **8.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Morozov](https://appshunter.io/developer/892154553) | [小虎 梁](https://appshunter.io/developer/1516069132) |

## What reviewers say

### Tire Size Calculator ISO/LT

[App page](https://appshunter.io/ios/app/tire-size-calculator-isolt/id892154550)

Calculate tire and wheel fitment for your vehicle. This app helps you understand tire stretch, rolling radius, and speedometer error. It also allows for multiple wheel comparisons and saving results as images.

**Highlights:** Wheel Fitment Calculation, Tyre Stretch Analysis, Rolling Radius Measurement, Speedometer Error Calculator, Multiple Wheel Comparison, Save Results as Image, Truck Wheel Calculator

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $1.99 | per month |
| Unlock app | $2.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚫 No ads or unnecessary content
- ✅ Useful for comparing wheel and tire setups
- 💡 Visualizes changes clearly
- 💰 Worth the cost/donation

**What reviewers complain about**

- 🐛 Speed calculations incorrect
- 📏 Measurements can be backwards
- 🔠 Language issues (Russian)
- 🔄 Old version preferred by some
- 🎛️ Difficulty switching units (mm to inches)

**Reported bugs**

- Speedometer calculations are incorrect (reads higher when upsizing, lower when upsizing)
- New version is in Russian with no option to change language
- New version does not allow tire size changes
- Half width input does not work
- Measurements are backwards (speed error reversed)

**Requested features**

- Add clearance between tire and fender
- Allow input of different front and rear sizes
- Ability to select, zoom, and save pictures
- 360-degree view option
- Option to switch between metric and imperial units


### 3D Wheel Alignment

[App page](https://appshunter.io/ios/app/3d-wheel-alignment/id1516072020)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tire Size Calculator ISO/LT free?

Tire Size Calculator ISO/LT is free to download, with in-app purchases available.

### Is 3D Wheel Alignment free?

3D Wheel Alignment is free to download, with no in-app purchases.

### Do Tire Size Calculator ISO/LT or 3D Wheel Alignment have ads?

Neither Tire Size Calculator ISO/LT nor 3D Wheel Alignment shows ads.

### Which is updated more often, Tire Size Calculator ISO/LT or 3D Wheel Alignment?

Tire Size Calculator ISO/LT ships an update monthly, and 3D Wheel Alignment every 6 months. Most recently, Tire Size Calculator ISO/LT was updated on November 6, 2026 and 3D Wheel Alignment on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*