# RSR Alignment App vs 排ガス計測支援アプリ

The clearest difference is iOS requirement: RSR Alignment App at 11.0 against 排ガス計測支援アプリ's 14.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

RSR Alignment App ships an update every 3 months, 排ガス計測支援アプリ every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | RSR Alignment App | 排ガス計測支援アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/rsr-alignment-app/id1503116170/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 57 MB | 1 MB |
| Requires iOS | **11.0** | 14.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TMC CO.,LTD](https://appshunter.io/developer/920283832) | [Naomi Shiraishi](https://appshunter.io/developer/1671970637) |

## What reviewers say

### RSR Alignment App

[App page](https://appshunter.io/ios/app/rsr-alignment-app/id1503116170)

Measure camber and toe angles using your smartphone. The app displays angles for all four corners, allows zero point adjustment, and stores measurement data for later reference. It also lets you change the measurement interval.

**Highlights:** Measure camber angle, Measure toe angle, Display four-corner angles, Zero point adjustment, Store measurement data, Change measurement interval

**Features:** macOS Compatibility

**In-app purchases:** none


### 排ガス計測支援アプリ

[App page](https://appshunter.io/ios/app/id1671970365)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RSR Alignment App free?

RSR Alignment App is free to download, with no in-app purchases.

### Is 排ガス計測支援アプリ free?

排ガス計測支援アプリ is free to download, with no in-app purchases.

### Do RSR Alignment App or 排ガス計測支援アプリ have ads?

Neither RSR Alignment App nor 排ガス計測支援アプリ shows ads.

### Which is updated more often, RSR Alignment App or 排ガス計測支援アプリ?

RSR Alignment App ships an update every 3 months, and 排ガス計測支援アプリ every 2 months. Most recently, RSR Alignment App was updated on October 24, 2026 and 排ガス計測支援アプリ on October 27, 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.*