# Authenticator from AEVI vs Shadow

The clearest difference is update cadence: Shadow at every 3 days against Authenticator from AEVI's every 84 months. Shadow also leads on iOS requirement (10.0 vs 12.0). 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.

Authenticator from AEVI ships an update every 84 months, Shadow every 3 days. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Authenticator from AEVI | Shadow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 84 months | **Every 3 days** |
| Size | 8 MB | 29 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aevi International GmbH](https://appshunter.io/developer/1094180647) | [Orion Meta Link Technology Co., Ltd](https://appshunter.io/developer/1449552807) |

## What reviewers say

### Authenticator from AEVI

[App page](https://appshunter.io/ios/app/authenticator-from-aevi/id1234549391)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shadow

[App page](https://appshunter.io/ios/app/shadow-private-photos/id1496623717)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator from AEVI free?

Authenticator from AEVI is free to download, with no in-app purchases.

### Is Shadow free?

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

### Do Authenticator from AEVI or Shadow have ads?

Neither Authenticator from AEVI nor Shadow shows ads.

### Which is updated more often, Authenticator from AEVI or Shadow?

Authenticator from AEVI ships an update every 84 months, and Shadow every 3 days. Most recently, Authenticator from AEVI was updated on October 12, 2026 and Shadow on October 7, 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.*