# Protern Clock vs Steer

The clearest difference is price: Steer at Free against Protern Clock's $9.99. Steer also leads on update cadence (every 2 months vs every 6 months). Protern Clock's advantage is in-app purchases (none vs 2) and iOS requirement (16.1 vs 26.1). On ads and device support there is nothing between them.

Steer is free to download; Protern Clock costs $9.99 up front. Steer sells 2 in-app purchases, starting at $9.99 per month. Protern Clock asks for nothing beyond the download.

Protern Clock ships an update every 6 months, Steer every 2 months. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Protern Clock | Steer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | — | 26.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 27 MB | 26 MB |
| Requires iOS | **16.1** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Proskida](https://appshunter.io/developer/1584744490) | [Smarters Engineered](https://appshunter.io/developer/1821193944) |

## What reviewers say

### Protern Clock

[App page](https://appshunter.io/ios/app/protern-clock-ltc-generator/id6444395457)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Protern Clock free?

Protern Clock costs $9.99, with no in-app purchases.

### Is Steer free?

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

### Do Protern Clock or Steer have ads?

Neither Protern Clock nor Steer shows ads.

### Which is updated more often, Protern Clock or Steer?

Protern Clock ships an update every 6 months, and Steer every 2 months. Most recently, Protern Clock was updated on October 27, 2026 and Steer on October 31, 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.*