# Steer vs G4R

The clearest difference is update cadence: G4R at every 4 days against Steer's every 3 weeks. G4R also leads on iOS requirement (18.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Steer sells 4 in-app purchases, starting at $9.99 per month and G4R sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Steer ships an update every 3 weeks, G4R every 4 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Steer | G4R |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 27 MB | 1 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Smarters Engineered](https://appshunter.io/developer/1821193944) | [4DAT LLC](https://appshunter.io/developer/1649051364) |

## What reviewers say

### Steer

[App page](https://appshunter.io/ios/app/steer-obd2-car-scanner/id6461049378)

Transform your smartphone into a powerful OBD2 diagnostic tool. Read and clear fault codes, monitor real-time performance metrics, and test your vehicle's acceleration and emissions. Compatible with a wide range of car brands and OBD2 scanners.

**Highlights:** Universal OBD2 scanner compatibility, Read and erase fault codes, Real-time performance metrics, Acceleration and performance testing, Emission compliance checks, Supports various car brands

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBD2 Pro | $9.99 | per month |
| OBD2 Pro | $19.99 | per year |
| Steer Plus | $99.00 | per year |
| Steer Plus | $99.00 | per year |


### G4R

[App page](https://appshunter.io/ios/app/g4r/id6777085714)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Garage Reorder Premium | $3.99 | per month |


## Frequently asked questions

### Is Steer free?

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

### Is G4R free?

G4R is free to download, with in-app purchases available.

### Do Steer or G4R have ads?

Neither Steer nor G4R shows ads.

### Which is updated more often, Steer or G4R?

Steer ships an update every 3 weeks, and G4R every 4 days. Most recently, Steer was updated on November 3, 2026 and G4R on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*