# ECUconnect vs D

The clearest difference is update cadence: D at every 5 days against ECUconnect's every 5 months. D also leads on iOS requirement (15.0 vs 18.2). 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.

ECUconnect ships an update every 5 months, D every 5 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ECUconnect | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Size | 13 MB | 30 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TPE Europe GmbH](https://appshunter.io/developer/1561470951) | [LUN LIU](https://appshunter.io/developer/1890125123) |

## What reviewers say

### ECUconnect

[App page](https://appshunter.io/ios/app/ecuconnect/id6502191237)

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-sync-ecu/id6761677479)

**In-app purchases:** none


## Frequently asked questions

### Is ECUconnect free?

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

### Is D free?

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

### Do ECUconnect or D have ads?

Neither ECUconnect nor D shows ads.

### Which is updated more often, ECUconnect or D?

ECUconnect ships an update every 5 months, and D every 5 days. Most recently, ECUconnect was updated on October 4, 2026 and D 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.*