# Datpub vs Clock Seconds

The clearest difference is update cadence: Datpub at every 6 days against Clock Seconds's every 4 weeks. Clock Seconds's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Datpub sells 4 in-app purchases, starting at $4.99 per month and Clock Seconds sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Datpub ships an update every 6 days, Clock Seconds every 4 weeks. The most recent releases landed on May 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Datpub | Clock Seconds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/clock-seconds/id6446502527/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [科 杨](https://appshunter.io/developer/1450752196) | [David Engler - Apps](https://appshunter.io/developer/1678138767) |

## What reviewers say

### Datpub

[App page](https://appshunter.io/ios/app/datpub/id1662246529)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Standard Membership | $4.99 | per month |
| Advanced Membership | $8.99 | per month |
| Yearly Standard Membership | $49.99 | per year |
| Yearly Advanced Membership | $89.99 | per year |


### Clock Seconds

[App page](https://appshunter.io/ios/app/clock-seconds/id6446502527)

A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.

**Highlights:** Largest digital clock display, Accurate atomic time comparison, Customizable colors and dimensions, 12/24 hour format options, Minimal battery consumption design, Portrait mode settings access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Datpub free?

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

### Is Clock Seconds free?

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

### Do Datpub or Clock Seconds have ads?

Neither Datpub nor Clock Seconds shows ads.

### Which is updated more often, Datpub or Clock Seconds?

Datpub ships an update every 6 days, and Clock Seconds every 4 weeks. Most recently, Datpub was updated on May 17, 2026 and Clock Seconds on September 15, 2026.

---

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