# Mini OBDII vs Arctech EMS

The clearest difference is update cadence: Arctech EMS at every 3 days against Mini OBDII's every 3 weeks. Mini OBDII's advantage is iOS requirement (11 vs 13.0). 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.

Mini OBDII ships an update every 3 weeks, Arctech EMS every 3 days. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Mini OBDII | Arctech EMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/mini-obdii/id1530755839/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 33 MB | 32 MB |
| Requires iOS | **11** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) | [com.arctech.VipApp](https://appshunter.io/developer/1870488148) |

## What reviewers say

### Mini OBDII

[App page](https://appshunter.io/ios/app/mini-obdii/id1530755839)

This app connects to your vehicle via Bluetooth or WiFi to perform diagnostics and monitor driving. It reads and clears fault codes, analyzes performance, and tracks your travel data. Supports multiple languages and high-speed data transmission.

**Highlights:** Fault code reading and clearing, Instrument panel monitoring, Performance testing, Travel analysis, High-speed data transmission, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Arctech EMS

[App page](https://appshunter.io/ios/app/arctech-ems/id6793029418)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mini OBDII free?

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

### Is Arctech EMS free?

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

### Do Mini OBDII or Arctech EMS have ads?

Neither Mini OBDII nor Arctech EMS shows ads.

### Which is updated more often, Mini OBDII or Arctech EMS?

Mini OBDII ships an update every 3 weeks, and Arctech EMS every 3 days. Most recently, Mini OBDII was updated on October 6, 2026 and Arctech EMS on October 3, 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.*