Comparison

CardDAV Contacts vs CertTracker

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

Head to head
About

CardDAV Contacts

This utility app allows you to view contacts from any CardDAV-compatible server. It connects directly to your personal or self-hosted repositories, offering a private and read-only browsing experience with native search capabilities. Full contact details, including custom fields, are supported.

Highlights
  • Universal DAV Connection
  • Read-Only Access
  • Native Search & Browse
  • Full Field Support
  • Direct Server Connection
  • Private Browsing
Features
Read full description

CardDAV Contacts is a free, read-only contact viewer for any CardDAV-compatible server. Easily connect to personal or self-hosted contact repositories like Nextcloud, GMX, Fastmail, Synology, or private DAV servers. Key Features: • Universal DAV Connection: Quick setup using standard server URLs and credentials. • Read-Only by Design: Refresh and browse without writing changes back to the server. • Native Search & Browse: Clean, responsive interface optimized for viewing large directory lists. • Field Details: Full support for custom fields, notes, and standard contact card properties. • Fully Private: Connects directly from your device to your server without intermediary servers. CardDAV Contacts is free and ad-supported. Editing, writing back to servers, backup, and advanced tools require the full Cloud Contacts application.

About

CertTracker

Features
Read full description

CertTracker keeps every certificate and credential you've earned organized in one place — and makes sure none of them quietly expire on you. ORGANIZE EVERYTHING Store certificates by category (Technology, Business, Healthcare, Finance, Academic, and more), add tags, and search instantly across your whole collection. NEVER MISS A RENEWAL Get timely reminders before certificates expire, so you're always prepared — no more scrambling to recertify at the last minute. AI-POWERED SCANNING (Pro) Upload a photo or PDF of your certificate and let AI extract the name, issuer, issue date, and expiry date automatically. Bulk upload multiple certificates at once and let AI do the data entry. AI CAREER INSIGHTS (Pro) Get personalized recommendations based on your certificate history to help guide your next career move. YOUR DATA, YOUR CHOICE Use CertTracker fully offline in Local Mode or sign in to sync your certificates securely across devices via encrypted cloud storage. ACHIEVEMENTS Stay motivated with unlockable achievements as you build and maintain your certificate collection. MULTI-LANGUAGE SUPPORT Available in English, Arabic, Hindi, and Bengali. CertTracker Free includes up to 5 certificates. Upgrade to Pro for unlimited certificates, AI-powered uploads, AI career insights, and an ad-free experience. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CardDAV Contacts4 screens
CertTracker4 screens

Verdict

The call

The clearest difference is update cadence: CardDAV Contacts at every 5 days against CertTracker's fortnightly. CertTracker's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support 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

CardDAV Contacts ships an update every 5 days, CertTracker fortnightly. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 7 level
CardDAV Contacts versus CertTracker: the parameters behind the verdict, then further details
ParameterCardDAV ContactsCertTracker
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 5 days — betterFortnightly
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.615.1 — better
Further details — not scored
Size59 MB102 MB
Age rating4+4+
Developer一 王Hasan Alhosani

In-app purchases

None

CardDAV Contacts

No in-app purchases

None

CertTracker

No in-app purchases

Questions

Is CardDAV Contacts free?
CardDAV Contacts is free to download, with no in-app purchases.
Is CertTracker free?
CertTracker is free to download, with no in-app purchases.
Do CardDAV Contacts or CertTracker have ads?
Both CardDAV Contacts and CertTracker show ads.
Which is updated more often, CardDAV Contacts or CertTracker?
CardDAV Contacts ships an update every 5 days, and CertTracker fortnightly. Most recently, CardDAV Contacts was updated on October 20, 2026 and CertTracker on October 9, 2026.

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