# Principle Mirror vs Scanz Auto

The clearest difference is rating: Scanz Auto at 5.0 against Principle Mirror's 4.2. Scanz Auto also leads on update cadence (every 2 weeks vs every 2 months). Principle Mirror's advantage is ratings volume (14 vs 4) and iOS requirement (11.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scanz Auto holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 14 and 4 respectively.

Principle Mirror ships an update every 2 months, Scanz Auto every 2 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Principle Mirror | Scanz Auto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (14 ratings)](https://appshunter.io/ios/app/principle-mirror/id991911319/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/scanz-auto/id6748036592/reviews)** |
| Number of ratings | **14** | 4 |
| Positive reviews | 45.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 107 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Hooper](https://appshunter.io/developer/419502228) | [Vanta Ventures, LLC](https://appshunter.io/developer/1823084125) |

## What reviewers say

### Principle Mirror

[App page](https://appshunter.io/ios/app/principle-mirror/id991911319)

Design interactive user interfaces with this companion app for a popular Mac design tool. Seamlessly open Principle files or mirror your Mac's design work directly to your device.

**Highlights:** Open Principle files, Mirror Principle for Mac, Interactive UI design, Companion app functionality

**Features:** Vision Pro support

**In-app purchases:** none


### Scanz Auto

[App page](https://appshunter.io/ios/app/scanz-auto/id6748036592)

Access real-time vehicle data like VIN, odometer, and diagnostic trouble codes. Schedule maintenance and repairs directly through the app for personalized automotive care.

**Highlights:** Real-time vehicle data monitoring, VIN, odometer, DTC, and battery voltage tracking, Service scheduling for diagnostics and repairs, Personalized, data-driven automotive care

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

**In-app purchases:** none


## Frequently asked questions

### Is Principle Mirror free?

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

### Is Scanz Auto free?

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

### Which has better reviews, Principle Mirror or Scanz Auto?

Scanz Auto is rated higher. Principle Mirror averages 4.2 out of 5 from 14 ratings, while Scanz Auto averages 5.0 from 4 ratings.

### Do Principle Mirror or Scanz Auto have ads?

Neither Principle Mirror nor Scanz Auto shows ads.

### Which is updated more often, Principle Mirror or Scanz Auto?

Principle Mirror ships an update every 2 months, and Scanz Auto every 2 weeks. Most recently, Principle Mirror was updated on October 16, 2026 and Scanz Auto on October 7, 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.*