# Arca by Privacy Everywhere vs SIDeck Studio

The clearest difference is in-app purchases: Arca by Privacy Everywhere at none against SIDeck Studio's 2. Arca by Privacy Everywhere also leads on iOS requirement (15.0 vs 17.6). SIDeck Studio's advantage is update cadence (every 3 days vs weekly). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. SIDeck Studio sells 2 in-app purchases, starting at $4.99 per month. Arca by Privacy Everywhere asks for nothing beyond the download.

Arca by Privacy Everywhere ships an update weekly, SIDeck Studio every 3 days. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Arca by Privacy Everywhere | SIDeck Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sideck-studio/id6772190922/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 38 MB | 110 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Privacy Everywhere ApS](https://appshunter.io/developer/1429670189) | [Osama Hasan](https://appshunter.io/developer/1838189954) |

## What reviewers say

### Arca by Privacy Everywhere

[App page](https://appshunter.io/ios/app/arca-by-privacy-everywhere/id1429670190)

This email client offers robust PGP encryption for secure communication. Your private keys are generated and stored locally on your device, ensuring they never leave. It seamlessly integrates with other PGP-compatible applications.

**Highlights:** PGP encryption, Local key generation, Private key security, Public key server storage, Compatibility with PGP Standard apps, Supports PGP/mime and old format

**In-app purchases:** none


### SIDeck Studio

[App page](https://appshunter.io/ios/app/sideck-studio/id6772190922)

Transform your mobile device into a powerful wireless control panel for your PC. Manage audio, control streaming software, and execute custom commands with responsive haptic feedback. Streamline your content creation workflow without additional hardware.

**Highlights:** Per-app audio mixing, OBS Studio remote control, Streamer.bot integration, Custom macro engine, Customizable deck layouts, Zero-config Wi-Fi pairing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $34.99 | per year |


## Frequently asked questions

### Is Arca by Privacy Everywhere free?

Arca by Privacy Everywhere is free to download, with no in-app purchases.

### Is SIDeck Studio free?

SIDeck Studio is free to download, with in-app purchases available.

### Do Arca by Privacy Everywhere or SIDeck Studio have ads?

Neither Arca by Privacy Everywhere nor SIDeck Studio shows ads.

### Which is updated more often, Arca by Privacy Everywhere or SIDeck Studio?

Arca by Privacy Everywhere ships an update weekly, and SIDeck Studio every 3 days. Most recently, Arca by Privacy Everywhere was updated on October 5, 2026 and SIDeck Studio on October 19, 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.*