Comparison

Black Dog Data vs PassKard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Seamless data collection
  • Encrypted data storage
  • Smart data post-processing
  • Data marketplace for selling
  • Monthly payouts
Features
Read full description

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!

About

PassKard

Features
Read full description

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

Black Dog Data4 screens
PassKard4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Black Dog Data versus PassKard: the parameters behind the verdict, then further details
ParameterBlack Dog DataPassKard
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 13 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.015.5 — better
Further details — not scored
Size87 MB87 MB
Age rating17+4+
DeveloperJack GeislerPradeep Kumar

In-app purchases

None

Black Dog Data

No in-app purchases

None

PassKard

No in-app purchases

Questions

Is Black Dog Data free?
Black Dog Data is free to download, with no in-app purchases.
Is PassKard free?
PassKard is free to download, with no in-app purchases.
Do Black Dog Data or PassKard have ads?
Neither Black Dog Data nor PassKard shows ads.
Which is updated more often, Black Dog Data or PassKard?
Black Dog Data ships an update every 13 months, and PassKard every 2 days. Most recently, Black Dog Data was updated on October 9, 2026 and PassKard on October 31, 2026.

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