# Auto ISM

> Mobile reference for automotive electrical diagrams, system info, and DTC codes. (iPhone/iPad app by Duyen Pham Thi Thuy.)

- Source: https://appshunter.io/ios/app/auto-ism/id1564876246 (this page in markdown: same URL + `.md`)
- Developer: [Duyen Pham Thi Thuy](https://appshunter.io/developer/1654436973)
- Category: Reference, Utilities
- Price: Free with in-app purchases
- Rating: 3.40/5 from 8 App Store ratings · 35 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.1 · 40 MB
- Languages: American English
- Released: 2021-04-29
- Data updated: 2026-09-08
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/auto-ism/id1564876246/reviews.md

## What is Auto ISM?

The application helps car repair technicians to easily read car electrical circuit diagrams, wiring diagrams, system diagrams, vehicle system information, and company training documents. Fast and convenient just by phone.
In addition, there is also specialized English in automotive, DTC error codes...

.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

## Key features

- Read car electrical circuit diagrams
- Access wiring diagrams
- View system diagrams
- Vehicle system information
- Company training documents
- Automotive English and DTC error codes

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $7.99 | per month |
| Pro 6 Month | $14.99 | per 6 months |
| Pro 12 Month | $22.99 | per year |


## Recent user reviews (10 of 35)

All indexed reviews: https://appshunter.io/ios/app/auto-ism/id1564876246/reviews.md

### 1/5 — Những dòng xe phổ thông đầy đường thì không có tài liệu??

*2026-07-24*

!?

### 5/5 — Gd

*2026-05-17*

Wk

### 1/5 — Ll

*2025-08-29, version 3.3*

Ko đky ko đăng nhập được luôn app lỏ

### 1/5 — Tài khoản bị out ko thể đăng nhập lại được

*2025-08-08, version 3.3*

Tài khoản bị out ko thể đăng nhập lại được

### 2/5 — Log in

*2025-08-03, version 3.3*

Sao tự dưng lại ko đăng ký hay đăng nhập đc nhỉ trc vẫn dùng ngon lắm mà

### 1/5 — Đăng ký & đăng nhập

*2025-07-18, version 3.3*

App méo gì mà đăng ký không gửi opt, đăng nhập bằng google cũng không xong.

### 5/5 — Tai khoan

*2025-07-17, version 3.3*

Không đăng ký đăng nhap duoc

### 5/5 — How to signup i am not able to

*2025-04-07, version 3.3*

How to signup

### 1/5 — Pro như gói Trial

*2025-04-02, version 3.3*

Mua gói 1 tháng pro mà chỉ cho tải dc 9 tài liệu, dùng ko khác gì gói trial. App ko có mục liên hệ để giải đáp hoặc khiếu nại

### 1/5 — Не рекомендую за гроші

*2025-01-29, version 3.3*

Тормознута, та напів пуста програма. Все до в ній є можна спокійно знайти на просторах інтернету, а сидіти і нервувати від того як все повільно прогружає, терпіння не хватить… Не рекоментую до покупки підписки..

## Frequently asked questions about Auto ISM

### What does Auto ISM do?

Auto ISM is a mobile application designed to help car repair technicians easily access and read various automotive diagrams and documents. It provides electrical circuit diagrams, wiring diagrams, system diagrams, vehicle system information, and company training materials directly on a phone.

### What kind of information is available in Auto ISM?

The app offers access to car electrical circuit diagrams, wiring diagrams, and system diagrams. It also includes vehicle system information, company training documents, specialized automotive English, and DTC error codes for quick reference.

### Is Auto ISM free to use?

The application is free to download and use, but it offers in-app purchases. This means that while the core functionality is accessible, certain features or content may require a purchase to unlock.

### Who is the target audience for Auto ISM?

This app is specifically designed for car repair technicians and automotive professionals. It aims to provide them with fast and convenient access to essential technical information and diagrams while they are working on vehicles.

### What are the benefits of using Auto ISM for car repair?

Auto ISM offers the benefit of having critical automotive technical documentation readily available on a mobile device. This allows technicians to quickly look up electrical diagrams, system information, and error codes, improving efficiency and accuracy in repairs.

## Version history (last 5 releases)

### 3.5 — 2026-08-11

• Cải thiện Apple Pay.
• Cải thiện quản lý giới hạn tải xuống.
• Bổ sung thông báo phiên bản mới.
• Hỗ trợ lưu file tốt hơn trên thiết bị iOS.
• Sửa lỗi và cải thiện độ ổn định của ứng dụng.

### 3.4 — 2026-07-21

Bổ sung và tối ưu giao diện cửa sổ thông báo (Modal).
Cải thiện trải nghiệm người dùng và hiệu suất ứng dụng.
Sửa một số lỗi nhỏ, giúp ứng dụng hoạt động ổn định hơn.
Ra mắt chức năng góp ý
Ra mắt chức năng community

### 3.3 — 2025-01-08

Bug fixes

### 3.2 — 2024-01-04

- Tối ưu hoá cho iPhone 15 Plus

### 3.1 — 2023-12-25

- Completely new interface, more beautiful and smoother.
- Optimized for IOS 17 and Iphone 15 series.
- Added Pro package purchase feature on the app

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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 2026-09-08.*