# AlphaAlert ADM vs Countdown Central

The clearest difference is in-app purchases: AlphaAlert ADM at none against Countdown Central's 2. AlphaAlert ADM also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Countdown Central sells 2 in-app purchases, starting at $1.99 per month. AlphaAlert ADM asks for nothing beyond the download.

AlphaAlert ADM ships an update every 3 weeks, Countdown Central every 3 months. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | AlphaAlert ADM | Countdown Central |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 48 MB | 139 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Alphanet Security Systems SL](https://appshunter.io/developer/1535000075) | [Tecmanic, LLC](https://appshunter.io/developer/1759803281) |

## What reviewers say

### AlphaAlert ADM

[App page](https://appshunter.io/ios/app/alphaalert-adm/id6451243756)

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

**In-app purchases:** none


### Countdown Central

[App page](https://appshunter.io/ios/app/countdown-central-events/id6746177080)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Central Pro Monthly | $1.99 | per month |
| Countdown Central Annual | $8.99 | per year |


## Frequently asked questions

### Is AlphaAlert ADM free?

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

### Is Countdown Central free?

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

### Do AlphaAlert ADM or Countdown Central have ads?

Neither AlphaAlert ADM nor Countdown Central shows ads.

### Which is updated more often, AlphaAlert ADM or Countdown Central?

AlphaAlert ADM ships an update every 3 weeks, and Countdown Central every 3 months. Most recently, AlphaAlert ADM was updated on October 3, 2026 and Countdown Central on October 17, 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.*