# Steer vs 小车探Pro

The clearest difference is iOS requirement: 小车探Pro at 15.0 against Steer's 26.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Steer sells 2 in-app purchases, starting at $9.99 per month and 小车探Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Steer ships an update every 2 months, 小车探Pro monthly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Steer | 小车探Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Freemium | — |
| Size | 26 MB | 2.4 GB |
| Requires iOS | 26.1 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smarters Engineered](https://appshunter.io/developer/1821193944) | [ShenZhen Topdon Technology Co.,Ltd](https://appshunter.io/developer/1242683012) |

## 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 (2)**

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


### 小车探Pro

[App page](https://appshunter.io/ios/app/pro/id6476600183)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小车探pro续费包 | $6.99 | one-time |


## Frequently asked questions

### Is Steer free?

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

### Is 小车探Pro free?

小车探Pro is free to download, with in-app purchases available.

### Do Steer or 小车探Pro have ads?

Neither Steer nor 小车探Pro shows ads.

### Which is updated more often, Steer or 小车探Pro?

Steer ships an update every 2 months, and 小车探Pro monthly. Most recently, Steer was updated on October 31, 2026 and 小车探Pro on October 25, 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.*