# SpecialCarShop vs ZDOBD

The clearest difference is update cadence: ZDOBD at monthly against SpecialCarShop's every 11 months. SpecialCarShop's advantage is iOS requirement (10.0 vs 15.6). 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.

SpecialCarShop ships an update every 11 months, ZDOBD monthly. Both last shipped on October 10, 2026.

## The numbers

| Metric | SpecialCarShop | ZDOBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (4 ratings)](https://appshunter.io/ios/app/zdobd/id6449920963/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 62 MB | 22 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市小辉智驾智能有限公司](https://appshunter.io/developer/1630307623) | [深圳市正德友邦科技有限公司](https://appshunter.io/developer/1691030696) |

## What reviewers say

### SpecialCarShop

[App page](https://appshunter.io/ios/app/specialcarshop/id1525814130)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZDOBD

[App page](https://appshunter.io/ios/app/zdobd/id6449920963)

This diagnostic tool connects to portable diesel vehicle devices via Bluetooth to perform comprehensive vehicle checks. It allows users to view ECU information, diagnose and clear faults, monitor real-time data, and conduct specific tests like DPF regeneration.

**Highlights:** Bluetooth connectivity, ECU version information, Vehicle fault diagnosis and clearing, Real-time data flow monitoring, DPF regeneration, SCR testing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpecialCarShop free?

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

### Is ZDOBD free?

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

### Do SpecialCarShop or ZDOBD have ads?

Neither SpecialCarShop nor ZDOBD shows ads.

### Which is updated more often, SpecialCarShop or ZDOBD?

SpecialCarShop ships an update every 11 months, and ZDOBD monthly. Most recently, SpecialCarShop was updated on October 10, 2026 and ZDOBD on October 10, 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.*