# FOBD vs SmartZDOBD

The clearest difference is update cadence: SmartZDOBD at every 2 weeks against FOBD's every 3 months. FOBD's advantage is iOS requirement (10.0 vs 12.0). 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.

FOBD ships an update every 3 months, SmartZDOBD every 2 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FOBD | SmartZDOBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fobd/id1444576506/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 38 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市爱夫卡科技有限公司](https://appshunter.io/developer/980516490) | [深圳市正德友邦科技有限公司](https://appshunter.io/developer/1691030696) |

## What reviewers say

### FOBD

[App page](https://appshunter.io/ios/app/fobd/id1444576506)

This app functions as a diagnostic scan tool, trip computer, logger, and real-time performance monitor for vehicles. It offers features like OBD-II diagnostics, HUD display, DTC code lookup, and oil reset. Supports English, Spanish, and Russian languages.

**Highlights:** OBD-II Diagnostics, Trip Computer, Data Logger, Real-time Performance Monitor, DTC Code Lookup, Oil Reset

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartZDOBD

[App page](https://appshunter.io/ios/app/smartzdobd/id6746559817)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FOBD free?

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

### Is SmartZDOBD free?

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

### Do FOBD or SmartZDOBD have ads?

Neither FOBD nor SmartZDOBD shows ads.

### Which is updated more often, FOBD or SmartZDOBD?

FOBD ships an update every 3 months, and SmartZDOBD every 2 weeks. Most recently, FOBD was updated on October 3, 2026 and SmartZDOBD on October 6, 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.*