# Shadline vs Seroni

The clearest difference is update cadence: Seroni at every 2 weeks against Shadline's every 5 weeks. Shadline's advantage is iOS requirement (11 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.

Shadline ships an update every 5 weeks, Seroni every 2 weeks. The most recent releases landed on June 5, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Shadline | Seroni |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 32 MB | 47 MB |
| Requires iOS | **11** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OWALTECH](https://appshunter.io/developer/1316893178) | [Seroni](https://appshunter.io/developer/878648791) |

## What reviewers say

### Shadline

[App page](https://appshunter.io/ios/app/shadline/id1316893179)

This secure communication and data access tool provides a digital fallback for businesses facing cyberattacks. It offers encrypted messaging, file storage, secure file transfers, and video conferencing for internal and external collaborators.

**Highlights:** Secure messaging channels, Encrypted file storage, Secure file transfer with unique links, Secure online meetings with screen sharing, Ephemeral meetings with no data retention, Configurable message lifespan

**Features:** macOS Compatibility

**In-app purchases:** none


### Seroni

[App page](https://appshunter.io/ios/app/seroni/id6470830271)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shadline free?

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

### Is Seroni free?

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

### Do Shadline or Seroni have ads?

Neither Shadline nor Seroni shows ads.

### Which is updated more often, Shadline or Seroni?

Shadline ships an update every 5 weeks, and Seroni every 2 weeks. Most recently, Shadline was updated on June 5, 2026 and Seroni on September 18, 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.*