# Steer vs Adalgo

The clearest difference is in-app purchases: Adalgo at none against Steer's 2. Adalgo also leads on iOS requirement (13.0 vs 26.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Steer sells 2 in-app purchases, starting at $9.99 per month. Adalgo asks for nothing beyond the download.

Steer ships an update every 2 months, Adalgo monthly. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Steer | Adalgo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Freemium | — |
| Size | 26 MB | 99 MB |
| Requires iOS | 26.1 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smarters Engineered](https://appshunter.io/developer/1821193944) | [Alcides Vieira](https://appshunter.io/developer/1046524680) |

## 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 |


### Adalgo

[App page](https://appshunter.io/ios/app/adalgo/id6479315313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Steer free?

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

### Is Adalgo free?

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

### Do Steer or Adalgo have ads?

Neither Steer nor Adalgo shows ads.

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

Steer ships an update every 2 months, and Adalgo monthly. Most recently, Steer was updated on October 20, 2026 and Adalgo on October 18, 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.*