# MFA vs Plus

The clearest difference is price: MFA at Free against Plus's $0.49. MFA also leads on iOS requirement (9.3 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

MFA is free to download; Plus costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

MFA ships an update fortnightly, Plus every 9 days. The most recent releases landed on September 8, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | MFA | Plus |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Paid |
| Size | 29 MB | 18 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Isao Uchida](https://appshunter.io/developer/1341625060) | [Hidenori Nakashima](https://appshunter.io/developer/1566865415) |

## What reviewers say

### MFA

[App page](https://appshunter.io/ios/app/mfa/id1341625151)

**In-app purchases:** none


### Plus

[App page](https://appshunter.io/ios/app/plus-sizing-tire-pressure-pro/id1566865413)

This app helps you determine the correct tire pressure for your vehicle based on various international standards. It supports multiple pressure units and highlights the benefits of proper inflation for performance, safety, and fuel efficiency.

**Highlights:** Selectable tire standards (XL, RFD, ETRTO, TRA, JATMA), Switchable pressure units (kPa, bar, kg/cm2, psi), Benefits of correct tire pressure explained, Guidance on checking tire pressure frequency, Supports iPhone and iPad

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

**In-app purchases:** none


## Frequently asked questions

### Is MFA free?

MFA is free to download, with no in-app purchases.

### Is Plus free?

Plus costs $0.49, with no in-app purchases.

### Do MFA or Plus have ads?

Neither MFA nor Plus shows ads.

### Which is updated more often, MFA or Plus?

MFA ships an update fortnightly, and Plus every 9 days. Most recently, MFA was updated on September 8, 2026 and Plus on August 21, 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.*