# ZenFlip vs SeClock

The clearest difference is in-app purchases: ZenFlip at none against SeClock's 1. ZenFlip also leads on device support (3 vs 1). SeClock's advantage is update cadence (fortnightly vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. SeClock sells 1 one-off in-app purchase. ZenFlip asks for nothing beyond the download.

ZenFlip ships an update every 2 months, SeClock fortnightly. The most recent releases landed on October 11, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ZenFlip | SeClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/seclock-seconds-clock-widget/id6445807658/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 57.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 1 MB | 3 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [成东 胡](https://appshunter.io/developer/1643805379) | [Kiichi Ito](https://appshunter.io/developer/1505735244) |

## What reviewers say

### ZenFlip

[App page](https://appshunter.io/ios/app/zenflip-full-screen-clock/id6443968056)

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

**In-app purchases:** none


### SeClock

[App page](https://appshunter.io/ios/app/seclock-seconds-clock-widget/id6445807658)

Display the current second on your device's widget. This utility can also function as a standard digital clock. Note that widget accuracy may have a slight delay.

**Highlights:** Display seconds on widget, Use as a digital clock, Add to lock screen, Add to home screen

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock Widget Customization | $2.99 | one-time |


## Frequently asked questions

### Is ZenFlip free?

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

### Is SeClock free?

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

### Do ZenFlip or SeClock have ads?

Neither ZenFlip nor SeClock shows ads.

### Which is updated more often, ZenFlip or SeClock?

ZenFlip ships an update every 2 months, and SeClock fortnightly. Most recently, ZenFlip was updated on October 11, 2026 and SeClock on October 22, 2026.

---

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