# SHADOW E vs Prazis

SHADOW E and Prazis are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Prazis monthly. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SHADOW E | Prazis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 13 MB | 7 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Auto jaw co ltd](https://appshunter.io/developer/1330689436) | [PRAZIS AUTO PARTS INC.](https://appshunter.io/developer/1614407629) |

## What reviewers say

### SHADOW E

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

**In-app purchases:** none


### Prazis

[App page](https://appshunter.io/ios/app/prazis/id1614407627)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SHADOW E free?

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

### Is Prazis free?

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

### Do SHADOW E or Prazis have ads?

Neither SHADOW E nor Prazis shows ads.

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

SHADOW E ships an update every 3 weeks, and Prazis monthly. Most recently, SHADOW E was updated on September 29, 2026 and Prazis 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.*