# Carmin — Automotive Wiring Diagrams

> Automotive electrical wiring diagrams, videos, and technical documents for repair and study. (iPhone/iPad app by Chuan Nguyen Van.)

- Source: https://appshunter.io/ios/app/carmin/id1527982107 (this page in markdown: same URL + `.md`)
- Developer: [Chuan Nguyen Van](https://appshunter.io/developer/1527982109)
- Category: Reference, Utilities
- Price: Free with in-app purchases
- Rating: 4.30/5 from 223 App Store ratings · 91 written reviews indexed
- Age rating: 4+
- Requires: iOS 12 · 18 MB
- Languages: American English
- Released: 2020-08-18
- Data updated: 2026-08-29
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/carmin/id1527982107/reviews.md

## What is Carmin?

Regularly update for trustful Electrical Wiring Diagrams and can be used to refer when you do repairing car or study purpose.

Videos and technical documents library for research, reference just by some clicks.

Terms of Service: http://carmin-backend.appspot.com/tos

## Key features

- Electrical wiring diagrams
- Regularly updated diagrams
- Videos library
- Technical documents
- Car repair reference
- Study purposes

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Annual | $49.99 | per year |
| Monthly | $4.99 | per month |


## What do users think of Carmin?

Overall sentiment: mixed

**Pros**

- 📚 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
- 👍 User-friendly interface and organization
- 💡 Valuable tool for mechanics and DIY enthusiasts

**Cons**

- 📺 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)
- 🔍 Poor search and navigation functionality
- ⚠️ Malicious/deceptive ads with fake close buttons
- 📱 Right-hand drive vehicles not supported
- 🔧 Missing diesel truck variants
- ⏱️ Slow loading and performance issues

**Commonly 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
- Startup errors and loading hangs
- iPad display issues (missing diagrams on tablets)
- Incorrect diagram rendering (e.g., Ford Mustang displays crooked)
- Save and print functions not working
- Malicious ad redirects to fake TEMU website
- Ad close buttons unreachable or hidden behind timers
- App incompatible with certain iOS versions
- Crashes when selecting vehicle brands
- Performance degradation after multiple uses

**Most 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
- Support for older vehicle years (pre-2000)
- Multilingual support (Russian, Spanish, Arabic, German)
- Text entry box for quick vehicle lookup
- Reduce ads in free version
- Support for right-hand drive vehicles
- iPad/tablet optimization
- Add missing vehicle models (Hyundai Elantra, Chevy Malibu 2016-2022, Toyota Veloz, Raize, Wigo)
- iOS 13+ compatibility
- Save and print PDF functionality
- Offline access to diagrams

## Recent user reviews (10 of 91)

All indexed reviews: https://appshunter.io/ios/app/carmin/id1527982107/reviews.md

### 5/5 — I love that

*2026-06-21, version 1.5.0*

Nice app

### 5/5 — Amazingly detailed

*2026-05-26*

Thank you for your effort and putting it out for free!

### 1/5 — Русский язык

*2026-04-19*

Когда появится на русском перевод!?

### 5/5 — Great App

*2026-03-31, version 1.5.0*

Great app. Very helpful. Please don’t change anything you are doing.

### 5/5 — 👍

*2026-03-06*

Бесплатно и все в одном месте. Моё уважение разработчику

### 2/5 — Not a lot of options

*2026-02-20*

There needs to be more vehicle options as none of the vehicles I own are in the app

### 2/5 — Так себе

*2026-02-02*

Нет нивы Шевроле, на газель черно белая схема, в общем на любителя

### 3/5 — Русифицируйте

*2026-01-30*

Пожалуйста ,сделайте Русский ,язык будет немного проще )

### 2/5 — Отсутствуют многие модели

*2026-01-30*

Нет схем на маркообразов кроме 110 кузова

### 5/5 — Замена языка

*2026-01-28*

Как поставить русский?

## Frequently asked questions about Carmin

### What is this app?

This app provides a regularly updated library of automotive electrical wiring diagrams. It's designed to be used as a reference for car repairs or for educational purposes, offering access to videos and technical documents.

### What are the key features?

Key features include access to trustful electrical wiring diagrams that are updated regularly. It also offers a library of videos and technical documents for research and reference, all accessible with a few clicks.

### Is this app free to use?

The app is free to download and use, but it does contain in-app purchases and advertisements. This model allows for continued development and access to a wide range of resources.

### Who is this app for?

This app is intended for individuals who work on cars, such as mechanics, DIY enthusiasts, or students studying automotive technology. It serves as a valuable resource for understanding and troubleshooting vehicle electrical systems.

### What kind of information can I find in the technical documents and videos?

The videos and technical documents library offers supplementary material for research and reference. While the description doesn't specify the exact content, it implies they are related to automotive electrical systems and repair, complementing the wiring diagrams.

## Version history (last 5 releases)

### 1.5.0 — 2025-01-12

Upgrade libraries

### 1.4.3 — 2024-04-24

Fix potential bugs

### 1.4.2 — 2024-03-28

> Upgrade libraries
> Fixed print problem in iOS 17.x

### 1.4.1 — 2024-01-11

> Fix bugs (download and print svg / svgs file format)

### 1.4.0 — 2023-12-26

> Support GDPR Message consent
> Upgrade libraries
> Support ATT Tracking
> Revise UI (minor)

## Apps similar to Carmin

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Electrician Handbook — Basics](https://appshunter.io/ios/app/electrician-handbook-basics/id1612996115) | 4.8 (986) | Free | Reference |

## More apps by Chuan Nguyen Van

- [Carmin Pro](https://appshunter.io/ios/app/carmin-pro/id1530160954)

All apps by Chuan Nguyen Van: https://appshunter.io/developer/1527982109

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*