Calendar Clock vs CVE Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calendar Clock
This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.
- All-in-one screen display
- Year, month, week, day, hour, minute, second
- Switchable theme colors (dark, light, green, blue)
- Disables device sleep mode
- Acts as a desk clock
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Time and date, beautifully together. Calendar Clock is a simple, elegant time-and-calendar app designed for iPhone and iPad. See the current time and the entire month at a glance, with a clean interface that stays out of your way. Features * Large digital clock — View the current system time clearly and instantly. * 24-hour or 12-hour format — Swipe across the clock to switch between 24-hour and AM/PM formats. * Monthly calendar — See the full month with the current year and month displayed above it. * Swipe through months — Swipe left or right on the calendar to move between months. * Today at a glance — Today's date is highlighted with a red circle. * Weekend highlighting — Saturdays and Sundays are displayed in red. * Multiple themes — Swipe up or down to change the screen theme. * Remembers your preferences — Your selected clock format and theme are preserved. * iPhone & iPad — Designed for both iPhone and iPad. Simple by design No complicated menus. No unnecessary controls. Just the time and the calendar, exactly when you need them. Calendar Clock — See time. See your day. Note that this application disables your device's sleep mode while running, so make sure you have enough battery life. *Important notice: Use the information recoded or functionality provided in / or generated with this application only as a rough indication, rough estimates or as a rough guide. Even though we do our best to provide you with confirmed information and tried-and-tested features, the accuracy and successful operation and performance of the application are NOT GUARANTEED by us. Users are strongly advised to confirm the information of their interest with other sources and not to ultimately rely on functionality and performance of this application. This application is provided “as is” and with all faults. You bear the risk of using it. We shall not be responsible or liable for any loss or damage of any kind incurred as a result of the use of functions or the content of this application. By using this application you are agreeing to these terms. If you do not agree to these terms do not use this application.
CVE Tracker
Stay informed about software vulnerabilities with real-time CVE feeds and security news. Track specific vendors and products, monitor exploited vulnerabilities, and receive timely notifications. Designed for security professionals and IT operators.
- Live CVE feed from NVD 2.0
- Watchlist for vendors and products
- CISA KEV catalog tracking
- EPSS scoring for exploitation probability
- Security news aggregation
- Local notifications for critical updates
- Offline bookmarking
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CVE Tracker brings the National Vulnerability Database (NVD) to your pocket. Stay on top of vulnerabilities affecting the software you actually use — fast, focused, and privacy-respecting. WHAT IT DOES • Live CVE feed from NVD 2.0, newest first, with severity and CVSS at a glance • Watchlist for the vendors and products you care about — up to 3 free, unlimited with CVE Tracker Pro — synced across your iPhone and iPad with iCloud • CISA KEV (Known Exploited Vulnerabilities) catalog tracking — see what's actually being exploited in the wild • EPSS scoring on every CVE detail page — the probability a vulnerability will be exploited within 30 days • Awaiting Analysis tab for brand-new CVEs that NVD hasn't yet attributed • Security news from Hacker News, BleepingComputer, Krebs on Security, Dark Reading, and CISA Advisories • Local notifications for KEV additions, free for everyone. Watchlist and news alerts are part of CVE Tracker Pro THE DASHBOARD A single screen designed to read in seconds: • Threat Snapshot — today's CVE volume vs. yesterday, with hourly sparkline and severity breakdown • Year So Far — total CVEs published this year with year-over-year comparison bars • Exploit Velocity — cumulative distribution curve showing how quickly CVEs land on CISA's KEV catalog • Watchlist tiles — vendor and product activity in the last 24 hours • Top Scoring — today's highest CVSS CVEs DESIGNED FOR PRACTITIONERS • Strict CPE-only matching for watched vendors and products — no description-text guessing, no false attribution • Filter by severity and CVSS range • Search by keyword, full CVE ID, or vendor scope • Bookmark anything for offline reference • Optional NVD API key (stored in iOS Keychain) for higher rate limits PRIVACY FIRST • No account required • No analytics, no telemetry, no third-party tracking • Your watchlist and bookmarks live on your device and iCloud — never on our servers • The NVD API key is stored in the iOS Keychain and only ever sent to NVD Built for security engineers, IT operators, and anyone who needs to know what just got disclosed and whether it matters. CVE TRACKER PRO CVE Tracker is free to use. CVE Tracker Pro unlocks: • Unlimited watchlist — track every vendor and product you run • Watchlist alerts — get notified when a CVE lands for something you watch • Relevant news alerts — only the stories that mention your watchlist KEV alerts stay free for everyone, always. • CVE Tracker Pro Yearly — $19.99 per year, with a 7-day free trial • CVE Tracker Pro Monthly — $2.99 per month • CVE Tracker Pro Lifetime — $29.99 one-time purchase, does not renew Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://fgalves34.github.io/cve-privacy.html Data sourced from the National Vulnerability Database (NVD) at NIST, the CISA KEV catalog, and the EPSS project.
Screenshots
Verdict
The clearest difference is price: CVE Tracker at Free against Calendar Clock's $0.99. CVE Tracker also leads on update cadence (every 2 days vs every 41 months) and iOS requirement (17.0 vs 26.5). Calendar Clock's advantage is in-app purchases (none vs 3). On ads 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
CVE Tracker is free to download; Calendar Clock costs $0.99 up front. CVE Tracker sells 3 in-app purchases, starting at $2.99 per month. Calendar Clock asks for nothing beyond the download.
Calendar Clock ships an update every 41 months, CVE Tracker every 2 days. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.
| Parameter | Calendar Clock | CVE Tracker |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 41 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.5 | 17.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Systemiko Inc. | FRANCISCO GONCALVES ALVES |
Customer experience
Calendar Clock
CVE Tracker
In-app purchases
Calendar Clock
No in-app purchases
CVE Tracker
- CVE Tracker Pro Monthly$2.991 Month
- CVE Tracker Pro Yearly7 Days trial$19.991 Year
- CVE Tracker Pro Lifetime$29.99









