# EcoDdiag vs AUTOTOOL EV

The clearest difference is update cadence: EcoDdiag at every 4 days against AUTOTOOL EV's monthly. EcoDdiag also leads on iOS requirement (13.0 vs 16.0). 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.

EcoDdiag ships an update every 4 days, AUTOTOOL EV monthly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | EcoDdiag | AUTOTOOL EV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 55 MB | 49 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Manh Dung Nguyen](https://appshunter.io/developer/1478065046) | [AUTOTOOL TECHNOLOGY LIMITED COMPANY](https://appshunter.io/developer/1895793423) |

## What reviewers say

### EcoDdiag

[App page](https://appshunter.io/ios/app/ecoddiag/id6746187974)

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

**In-app purchases:** none


### AUTOTOOL EV

[App page](https://appshunter.io/ios/app/autotool-ev/id6764466220)

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

**In-app purchases:** none


## Frequently asked questions

### Is EcoDdiag free?

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

### Is AUTOTOOL EV free?

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

### Do EcoDdiag or AUTOTOOL EV have ads?

Neither EcoDdiag nor AUTOTOOL EV shows ads.

### Which is updated more often, EcoDdiag or AUTOTOOL EV?

EcoDdiag ships an update every 4 days, and AUTOTOOL EV monthly. Most recently, EcoDdiag was updated on October 30, 2026 and AUTOTOOL EV on October 29, 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.*