# FastDDNS vs Eink Clock

The clearest difference is in-app purchases: Eink Clock at none against FastDDNS's 3. Eink Clock also leads on ads (none vs shown) and update cadence (every 4 days vs every 11 days). On price and device support there is nothing between them.

Both are free to download. FastDDNS sells 3 in-app purchases, starting at $19.99 per year. Eink Clock asks for nothing beyond the download.

FastDDNS ships an update every 11 days, Eink Clock every 4 days. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | FastDDNS | Eink Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 4 days** |
| Size | 57 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Minh Nguyen](https://appshunter.io/developer/1659587744) | [VAN NGUYEN DAO](https://appshunter.io/developer/1633273032) |

## What reviewers say

### FastDDNS

[App page](https://appshunter.io/ios/app/fastddns-ddns-and-network-tools/id6759514262)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Basic Yearly | $19.99 | per year |
| Premium Pro Yearly | $34.99 | per year |
| Premium Business Yearly | $69.99 | per year |


### Eink Clock

[App page](https://appshunter.io/ios/app/eink-clock/id6779846224)

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

**In-app purchases:** none


## Frequently asked questions

### Is FastDDNS free?

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

### Is Eink Clock free?

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

### Do FastDDNS or Eink Clock have ads?

FastDDNS shows ads; Eink Clock does not.

### Which is updated more often, FastDDNS or Eink Clock?

FastDDNS ships an update every 11 days, and Eink Clock every 4 days. Most recently, FastDDNS was updated on September 27, 2026 and Eink Clock on September 29, 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.*