# CeequelClock vs Certchain

The clearest difference is update cadence: Certchain at every 2 weeks against CeequelClock's monthly. CeequelClock's advantage is iOS requirement (9.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CeequelClock ships an update monthly, Certchain every 2 weeks. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CeequelClock | Certchain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 16 MB | 53 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ELF Productivity Ltd](https://appshunter.io/developer/590688645) | [CERTCHAIN LIMITED](https://appshunter.io/developer/1734661238) |

## What reviewers say

### CeequelClock

[App page](https://appshunter.io/ios/app/ceequelclock/id590688642)

**Features:** macOS Compatibility

**In-app purchases:** none


### Certchain

[App page](https://appshunter.io/ios/app/certchain/id6478975327)

**In-app purchases:** none


## Frequently asked questions

### Is CeequelClock free?

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

### Is Certchain free?

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

### Do CeequelClock or Certchain have ads?

Neither CeequelClock nor Certchain shows ads.

### Which is updated more often, CeequelClock or Certchain?

CeequelClock ships an update monthly, and Certchain every 2 weeks. Most recently, CeequelClock was updated on September 27, 2026 and Certchain 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.*