# SHADOW E vs D

The clearest difference is update cadence: D at every 5 days against SHADOW E's every 3 weeks. SHADOW E's advantage is iOS requirement (13.0 vs 15.0). 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.

SHADOW E ships an update every 3 weeks, D every 5 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SHADOW E | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 13 MB | 43 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Auto jaw co ltd](https://appshunter.io/developer/1330689436) | [LUN LIU](https://appshunter.io/developer/1890125123) |

## What reviewers say

### SHADOW E

[App page](https://appshunter.io/ios/app/shadow-e-valve-2/id1595030903)

**In-app purchases:** none


### D

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

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is SHADOW E free?

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

### Is D free?

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

### Do SHADOW E or D have ads?

Neither SHADOW E nor D shows ads.

### Which is updated more often, SHADOW E or D?

SHADOW E ships an update every 3 weeks, and D every 5 days. Most recently, SHADOW E was updated on November 7, 2026 and D on November 5, 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.*