# Plus vs RedLogo

The clearest difference is ads: RedLogo at none against Plus's shown. RedLogo also leads on iOS requirement (12.0 vs 15.6). Plus's advantage is update cadence (every 2 weeks vs every 3 months). On price, in-app purchases and device support there is nothing between them.

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

Plus ships an update every 2 weeks, RedLogo every 3 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Plus | RedLogo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/plus-sizing-tire-pressure-calc/id6741032949/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 17 MB | 61 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hidenori Nakashima](https://appshunter.io/developer/1566865415) | [ZENSBUDS LIMITED](https://appshunter.io/developer/1801146268) |

## What reviewers say

### Plus

[App page](https://appshunter.io/ios/app/plus-sizing-tire-pressure-calc/id6741032949)

Calculate optimal tire pressure for your vehicle based on selectable tire standards and pressure units. Proper inflation enhances performance, prevents flats, saves fuel, and supports sustainability goals.

**Highlights:** Selectable tire standards (XL, RFD, ETRTO, TRA, JATMA), Switchable pressure units (kPa, bar, kg/cm2, psi), Optimize tire performance, Prevent flat tires, Save fuel, Support SDGs 12 and 13

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

**In-app purchases:** none


### RedLogo

[App page](https://appshunter.io/ios/app/redlogo/id6743072982)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Plus free?

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

### Is RedLogo free?

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

### Do Plus or RedLogo have ads?

Plus shows ads; RedLogo does not.

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

Plus ships an update every 2 weeks, and RedLogo every 3 months. Most recently, Plus was updated on October 24, 2026 and RedLogo on October 28, 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.*