# ECU vs NexzDAS

The clearest difference is update cadence: NexzDAS at every 10 days against ECU's every 33 months. ECU's advantage is iOS requirement (11.0 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.

ECU ships an update every 33 months, NexzDAS every 10 days. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ECU | NexzDAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.1 (13 ratings)](https://appshunter.io/ios/app/nexzdas/id1462867675/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 25 MB | 797 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appleby Italiana Srl](https://appshunter.io/developer/1458734548) | [美泉 黄](https://appshunter.io/developer/1465544231) |

## What reviewers say

### ECU

[App page](https://appshunter.io/ios/app/ecu-18-manager/id1462414446)

**Features:** macOS Compatibility

**In-app purchases:** none


### NexzDAS

[App page](https://appshunter.io/ios/app/nexzdas/id1462867675)

This app provides comprehensive vehicle diagnostics, including full-system scanning and specialized functions like service resets and brake adjustments. It offers detailed diagnostic reports and an extensive online database for trouble code inquiries, all accessible via a portable Bluetooth device.

**Highlights:** Full-system vehicle diagnosis, OBD2 code reading and clearing, Specialized reset and calibration functions, Online trouble code inquiry, Bluetooth 4.2 connectivity, Professional diagnostic reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECU free?

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

### Is NexzDAS free?

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

### Do ECU or NexzDAS have ads?

Neither ECU nor NexzDAS shows ads.

### Which is updated more often, ECU or NexzDAS?

ECU ships an update every 33 months, and NexzDAS every 10 days. Most recently, ECU was updated on November 11, 2026 and NexzDAS on November 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.*