# RS vs Sra

The clearest difference is update cadence: Sra at every 3 weeks against RS's every 5 months. Sra also leads on iOS requirement (14.0 vs 16.4). On price, ads, 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.

RS ships an update every 5 months, Sra every 3 weeks. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | RS | Sra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/rs-r/id920283833/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 38 MB | 78 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TMC CO.,LTD](https://appshunter.io/developer/920283832) | [MASTERING INTELLIGENT SOLUTIONS GROUP (LIMITED LIABILITY COMPANY LLC)](https://appshunter.io/developer/1583560865) |

## What reviewers say

### RS

[App page](https://appshunter.io/ios/app/rs-r/id920283833)

Research and purchase automotive suspension products like coilovers and lowering springs. Browse vehicles by selection or chassis code, and view images of products installed on different cars.

**Highlights:** Vehicle lookup by selection, Vehicle lookup by chassis code, View product installation images, Purchase RS-R products

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

**In-app purchases:** none


### Sra

[App page](https://appshunter.io/ios/app/sra/id1583560863)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RS free?

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

### Is Sra free?

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

### Do RS or Sra have ads?

Neither RS nor Sra shows ads.

### Which is updated more often, RS or Sra?

RS ships an update every 5 months, and Sra every 3 weeks. Most recently, RS was updated on October 8, 2026 and Sra on October 2, 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.*