OTAC auth vs BlackSwan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTAC auth
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Experience rapid and secure user/device authentication through OTAC's 8-character code. ● Quick and Easy, No Registration: Streamlined authentication without the hassle of sign-up or login processes. Your privacy is paramount; no personal information required. ● Secure Authentication with OTAC Code: Ensure robust security with time-sensitive OTAC codes. Safely access your accounts using a code that expires after a specific duration. ● Manage Multiple Accounts Easily: Effortlessly authenticate multiple accounts using a single OTAC auth app. Register and manage up to 20 accounts securely.
BlackSwan
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.
- Strong privacy protection
- Fast VPN servers
- One-tap connection
- Public Wi-Fi security
- Premium subscription options
- Daily free VPN access
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BlackSwan VPN - Fast, Secure & Private Internet Access BlackSwan VPN helps you browse the internet securely with fast, encrypted connections designed to protect your privacy wherever you go. Whether you're using public Wi-Fi, mobile data, or your home network, BlackSwan VPN keeps your connection secure and your online activity protected. Features • Strong Privacy Protection – Secure your internet connection with advanced encryption. • Fast VPN Servers – Connect to reliable servers for smooth browsing and online activities. • One-Tap Connection – Start protecting your connection instantly with a simple tap. • Public Wi-Fi Security – Protect your data when using airports, hotels, cafés, and other public networks. • Premium Subscription – Upgrade through in-app purchases to unlock unlimited data and an enhanced VPN experience. Why BlackSwan VPN? • Fast and reliable connections • Secure encrypted network • Easy-to-use interface • Daily free VPN access • Premium plans available Download BlackSwan VPN today and enjoy a safer, more private internet experience. BlackSwan Unlimited (auto-renewable subscription) • Monthly and annual plans — unlimited data, full speed, on all servers. • The price is shown in the app and charged to your Apple ID at purchase. • Your subscription auto-renews unless turned off at least 24 hours before the current period ends. • Manage or cancel anytime in your Apple ID account settings. Privacy Policy: https://vpnblackswan.com/privacy Terms of Use (EULA): https://vpnblackswan.com/terms
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | OTAC auth | BlackSwan |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 92 MB |
| Age rating | 4+ | 4+ |
| Developer | swIDch Limited | Ninja Swan LLC |
In-app purchases
OTAC auth
No in-app purchases
BlackSwan
- BlackSwan Unlimited Monthly$10.001 Month
- BlackSwan Unlimited Annual$100.001 Year
