Black Dog Data vs PassKard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Black Dog Data
This app allows you to collect, manage, and sell your online activity data. Securely capture your phone's activity, enhance it for market value, and sell it to trusted buyers. Earn money monthly by taking control of your personal data.
- Seamless data collection
- Encrypted data storage
- Smart data post-processing
- Data marketplace for selling
- Monthly payouts
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Black Dog Data Your Data, Your Control, Your Profits Take back the value of your online activity with Black Dog Data! Why let corporations profit from your data while you get nothing? Our app empowers you to collect, manage, and sell your activity data on your terms. Join the data revolution and start earning today! Key Features: • Seamless Data Collection: Securely capture phone activity data in the background. • Encrypted Storage: Upload data to our secure servers when you’re ready. • Smart Post-Processing: Anonymize and enhance your data for maximum market value. •Data Marketplace: Sell aggregated data to trusted buyers. • Monthly Payouts: Earn ~$20/month (varies by data contribution). Black Dog Data gives you full control, transparency, and security. Perfect for anyone ready to profit from their data! Requires iOS 15.0 or later. Compatible with iPhone and iPad. Your data stays private—see our Privacy Policy at blackdogdata.net/privacy. Download now and turn your data into dollars!
PassKard
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Upgrade the way you connect, share, and manage contacts with PassKard — the smart digital business card and modern networking app. Leave paper cards behind. PassKard lets you create an elegant, interactive digital identity card that you can share with anyone in seconds via personalized QR code, WhatsApp, or instant web link. Best of all, the other person doesn't need the app to view your profile or save your contact details! PERFECT FOR: • Entrepreneurs, Founders & Startup Teams • Sales Executives & Business Development Leaders • Freelancers, Consultants & Creatives • Real Estate Agents & Financial Advisors • Conference Attendees, Event Organizers & Networkers KEY FEATURES: SMART DIGITAL PROFILE • Showcase your complete professional identity: profile photo, full name, job title, company, bio, phone numbers, WhatsApp, and email. • Add custom interactive links: LinkedIn, Instagram, X (Twitter), YouTube, GitHub, portfolio websites, Google Maps location, and payment links. • Personal vanity URL (passkard.in/yourname) ready for your email signature and social media bios. EFFORTLESS INSTANT SHARING • High-Definition QR Code: Display your in-app QR code for fast scanning in any lighting. • 1-Tap vCard Download: Prospects can save your contact details directly to their iOS Contacts address book with one tap. TWO-WAY CONTACT EXCHANGE • Don’t just give your card — get theirs! • Built-in contact exchange form allows prospects to send their details and message back to you in seconds. • Push Notifications: Get notified immediately whenever someone submits their information. • Personal Network Manager: Organize, search, call, or email your new connections from the app. ANALYTICS & ENGAGEMENT • View real-time statistics on total profile views, QR scans, and link clicks. • Know which links and social profiles are generating the most interest. SECURITY & PRIVACY • Lock your app and leads with Face ID, Touch ID, or a secure 4-digit PIN. • Your data remains encrypted, private, and under your control. Ditch paper cards forever. Download PassKard and make every introduction count!
Screenshots
Verdict
The clearest difference is update cadence: PassKard at every 2 days against Black Dog Data's every 13 months. PassKard also leads on device support (4 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Black Dog Data ships an update every 13 months, PassKard every 2 days. The most recent releases landed on October 9, 2026 and October 31, 2026 respectively.
| Parameter | Black Dog Data | PassKard |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 13 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 87 MB | 87 MB |
| Age rating | 17+ | 4+ |
| Developer | Jack Geisler | Pradeep Kumar |
In-app purchases
Black Dog Data
No in-app purchases
PassKard
No in-app purchases









