# Diagnosis vs ShiftLight OBD2

The clearest difference is iOS requirement: Diagnosis at 8.0 against ShiftLight OBD2's 11.0. 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.

## The numbers

| Metric | Diagnosis | ShiftLight OBD2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | — | Free |
| Size | 550 MB | 28 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [翔宇 金](https://appshunter.io/developer/528881861) | [Jakub Tomana](https://appshunter.io/developer/1495536476) |

## What reviewers say

### Diagnosis

[App page](https://appshunter.io/ios/app/diagnosis/id1517729194)

**Features:** macOS Compatibility

**In-app purchases:** none


### ShiftLight OBD2

[App page](https://appshunter.io/ios/app/shiftlight-obd2/id6471374380)

Enhance your driving with real-time engine temperature monitoring and a customizable shift light. Optimize gear changes and stay informed about your vehicle's performance. Requires an OBD2 adapter.

**Highlights:** Adjustable shiftlight with custom RPM thresholds, Real-time coolant and oil temperature readings, OBD2 protocol compatibility for most vehicles, Intuitive dashboard for performance metrics, Effortless user interface for customization

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

**In-app purchases:** none


## Frequently asked questions

### Is Diagnosis free?

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

### Is ShiftLight OBD2 free?

ShiftLight OBD2 is free to download, with no in-app purchases.

### Do Diagnosis or ShiftLight OBD2 have ads?

Neither Diagnosis nor ShiftLight OBD2 shows ads.

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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.*