# OTAC auth vs BlackSwan

The clearest difference is in-app purchases: OTAC auth at none against BlackSwan's 2. BlackSwan's advantage is update cadence (weekly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BlackSwan sells 2 in-app purchases, starting at $10.00 per month. OTAC auth asks for nothing beyond the download.

OTAC auth ships an update every 6 weeks, BlackSwan weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | OTAC auth | BlackSwan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/blackswan-vpn/id6780137700/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 92 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [swIDch Limited](https://appshunter.io/developer/1723421198) | [Ninja Swan LLC](https://appshunter.io/developer/6811444278) |

## What reviewers say

### OTAC auth

[App page](https://appshunter.io/ios/app/otac-auth/id6475137518)

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

**In-app purchases:** none


### BlackSwan

[App page](https://appshunter.io/ios/app/blackswan-vpn/id6780137700)

This app provides fast, secure, and private internet access with encrypted connections. It protects your online activity on public Wi-Fi and mobile data, offering a simple one-tap connection for instant security.

**Highlights:** Strong privacy protection, Fast VPN servers, One-tap connection, Public Wi-Fi security, Premium subscription options, Daily free VPN access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BlackSwan Unlimited Monthly | $10.00 | per month |
| BlackSwan Unlimited Annual | $100.00 | per year |


## Frequently asked questions

### Is OTAC auth free?

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

### Is BlackSwan free?

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

### Do OTAC auth or BlackSwan have ads?

Neither OTAC auth nor BlackSwan shows ads.

### Which is updated more often, OTAC auth or BlackSwan?

OTAC auth ships an update every 6 weeks, and BlackSwan weekly. Most recently, OTAC auth was updated on November 4, 2026 and BlackSwan 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.*