# CheckMARC vs Countdown X

The clearest difference is in-app purchases: CheckMARC at none against Countdown X's 4. CheckMARC also leads on iOS requirement (15.0 vs 18). Countdown X's advantage is update cadence (every 2 weeks vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Countdown X sells 4 in-app purchases, starting at $1.99 per 7 days. CheckMARC asks for nothing beyond the download.

CheckMARC ships an update every 3 weeks, Countdown X every 2 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CheckMARC | Countdown X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/countdown-x-event-counter/id6757264819/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 48 MB | 24 MB |
| Requires iOS | **15.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bluelight Analytics](https://appshunter.io/developer/987549665) | [Plainzer](https://appshunter.io/developer/1830276302) |

## What reviewers say

### CheckMARC

[App page](https://appshunter.io/ios/app/checkmarc/id1488763204)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Countdown X

[App page](https://appshunter.io/ios/app/countdown-x-event-counter/id6757264819)

Easily track important dates and events with customizable widgets and smart reminders. Never miss a birthday, holiday, or deadline again. Plan ahead and stay organized for all your meaningful moments.

**Highlights:** Track birthdays, holidays, deadlines, Customizable home screen widgets, Smart event notifications, Organize multiple events, Privacy-focused, no account needed, iCloud sync (Pro)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Pro Weekly | $1.99 | per 7 days |
| Countdown Pro Monthly | $2.99 | per month |
| Countdown Pro Yearly | $14.99 | per year |
| Countdown Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is CheckMARC free?

CheckMARC is free to download, with no in-app purchases.

### Is Countdown X free?

Countdown X is free to download, with in-app purchases available.

### Do CheckMARC or Countdown X have ads?

Neither CheckMARC nor Countdown X shows ads.

### Which is updated more often, CheckMARC or Countdown X?

CheckMARC ships an update every 3 weeks, and Countdown X every 2 weeks. Most recently, CheckMARC was updated on October 6, 2026 and Countdown X on October 14, 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.*