# Calendar Clock vs CVE Tracker

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.

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.

## The numbers

| Metric | Calendar Clock | CVE Tracker |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cve-tracker/id6760979873/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 5 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [FRANCISCO GONCALVES ALVES](https://appshunter.io/developer/1887111394) |

## What reviewers say

### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### CVE Tracker

[App page](https://appshunter.io/ios/app/cve-tracker/id6760979873)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CVE Tracker Pro Monthly | $2.99 | per month |
| CVE Tracker Pro Yearly | $19.99 | per year |
| CVE Tracker Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Is CVE Tracker free?

CVE Tracker is free to download, with in-app purchases available.

### Do Calendar Clock or CVE Tracker have ads?

Neither Calendar Clock nor CVE Tracker shows ads.

### Which is updated more often, Calendar Clock or CVE Tracker?

Calendar Clock ships an update every 41 months, and CVE Tracker every 2 days. Most recently, Calendar Clock was updated on November 13, 2026 and CVE Tracker on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*