# Tire Size Calculator vs Expirify

The clearest difference is price: Expirify at Free against Tire Size Calculator's $3.99. Expirify also leads on review sentiment (78% vs 42%). Tire Size Calculator's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

Expirify is free to download; Tire Size Calculator costs $3.99 up front. Expirify sells 3 in-app purchases, starting at $2.99 per month. Tire Size Calculator asks for nothing beyond the download.

Tire Size Calculator ships an update every 6 weeks, Expirify monthly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tire Size Calculator | Expirify |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 41.9% of reviews | **77.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Paid | **Freemium** |
| Size | 4 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cheng Fan](https://appshunter.io/developer/599384923) | [慧慧 高](https://appshunter.io/developer/1887721875) |

## What reviewers say

### Tire Size Calculator

[App page](https://appshunter.io/ios/app/tire-size-calculator/id599384920)

Easily compare tire and wheel specifications for upgrades. Calculate equivalent sprung weight differences and get safe, performance-enhancing recommendations. Supports both Imperial and Metric units.

**Highlights:** Compare tire and wheel specs, Get upgrade recommendations, Calculate sprung weight difference, Supports Imperial and Metric units, Visual tire comparison graphs, Adjustable difference variables

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Expirify

[App page](https://appshunter.io/ios/app/expirify/id6761483717)

Never miss an important deadline again. This app helps you track documents, insurance, and other items with expiration dates. It offers smart reminders and a clear dashboard to manage renewals and keep your important information organized.

**Highlights:** Clear expiry status dashboard, Smart gradient reminders, 8 built-in item categories, Renewal history tracking, Family member profiles, Calendar view of expirations, Home & Lock screen widgets

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expirify Pro Monthly | $2.99 | per month |
| Expirify Pro Yearly | $19.99 | per year |
| Expirify Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Tire Size Calculator free?

Tire Size Calculator costs $3.99, with no in-app purchases.

### Is Expirify free?

Expirify is free to download, with in-app purchases available.

### Do Tire Size Calculator or Expirify have ads?

Neither Tire Size Calculator nor Expirify shows ads.

### Which is updated more often, Tire Size Calculator or Expirify?

Tire Size Calculator ships an update every 6 weeks, and Expirify monthly. Most recently, Tire Size Calculator was updated on November 1, 2026 and Expirify on October 31, 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.*