# Vestas Doc vs Carmin

The clearest difference is rating: Carmin at 4.3 against Vestas Doc's 1.9. Carmin also leads on review sentiment (55% vs 30%) and ratings volume (234 vs 18). Vestas Doc's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Carmin sells 2 in-app purchases, starting at $4.99 per month. Vestas Doc asks for nothing beyond the download.

Carmin holds the better App Store score, 4.3 against 1.9. That said, the two scores are not equally well evidenced: Carmin has 234 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 30% of Vestas Doc's written reviews are positive against 55% of Carmin's.

Vestas Doc ships an update every 3 months, Carmin every 5 weeks. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Vestas Doc | Carmin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (18 ratings)](https://appshunter.io/ios/app/vestas-doc/id1008148317/reviews) | **[4.3 (234 ratings)](https://appshunter.io/ios/app/carmin/id1527982107/reviews)** |
| Number of ratings | 18 | **234** |
| Positive reviews | 30.0% of reviews | **55.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 143 MB | 18 MB |
| Requires iOS | 13.0 | **12** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vestas Wind Systems AS](https://appshunter.io/developer/385438202) | [Chuan Nguyen Van](https://appshunter.io/developer/1527982109) |

## What reviewers say

### Vestas Doc

[App page](https://appshunter.io/ios/app/vestas-doc/id1008148317)

Access and view comprehensive documentation for all Vestas products. Approved employees, partners, and subcontractors can apply for login credentials directly within the application.

**Highlights:** Browse Vestas product documentation, View documentation for all products, Login required for access, Apply for login within the app, Approved for employees, partners, and subcontractors

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

**In-app purchases:** none


### Carmin

[App page](https://appshunter.io/ios/app/carmin/id1527982107)

Access a comprehensive library of regularly updated automotive electrical wiring diagrams for car repair and study.  Includes videos and technical documents for research and reference.

**Highlights:** Electrical wiring diagrams, Regularly updated diagrams, Videos library, Technical documents, Car repair reference, Study purposes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $49.99 | per year |

**What reviewers like**

- 📚 Comprehensive vehicle diagram database
- 💰 Free version available with good content
- 🎯 Helpful for car diagnostics and repairs
- ⚡ Quick access to wiring information
- 🌍 Supports multiple vehicle brands and models

**What reviewers complain about**

- 📺 Excessive advertisements in free version
- 🐛 Frequent app crashes and instability on iOS
- 🚫 Limited vehicle coverage (missing years and models)
- 🔤 Diagrams display as code/symbols instead of images
- 🌐 Language limitations (primarily English)

**Reported bugs**

- App crashes when opening diagrams on iOS
- App only opens one diagram per session before crashing
- Requires reinstallation to function properly
- Diagrams display as code/hieroglyphics instead of images
- Crashes on iOS 15, 16, and 17

**Requested features**

- Search functionality by make/model/year
- Alphabetical sorting of vehicles
- Favorites/bookmarks for frequently used diagrams
- Wiring color codes display
- Ability to isolate specific wiring for clarity


## Frequently asked questions

### Is Vestas Doc free?

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

### Is Carmin free?

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

### Which has better reviews, Vestas Doc or Carmin?

Carmin is rated higher. Vestas Doc averages 1.9 out of 5 from 18 ratings, while Carmin averages 4.3 from 234 ratings.

### Do Vestas Doc or Carmin have ads?

Carmin shows ads; Vestas Doc does not.

### Which is updated more often, Vestas Doc or Carmin?

Vestas Doc ships an update every 3 months, and Carmin every 5 weeks. Most recently, Vestas Doc was updated on November 6, 2026 and Carmin on November 11, 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.*