# 1 / f Clock vs Split Flap

The clearest difference is price: 1 / f Clock at Free against Split Flap's $0.99. 1 / f Clock also leads on update cadence (every 7 months vs every 17 months) and iOS requirement (8.1 vs 26.0). Split Flap's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

1 / f Clock is free to download; Split Flap costs $0.99 up front. 1 / f Clock sells 1 one-off in-app purchase. Split Flap asks for nothing beyond the download.

1 / f Clock ships an update every 7 months, Split Flap every 17 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 1 / f Clock | Split Flap |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.7 (6 ratings)](https://appshunter.io/ios/app/split-flap/id1498259010/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 17 months |
| Monetization | — | Paid |
| Size | 47 MB | 1 MB |
| Requires iOS | **8.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Y. MOCHIDUKI](https://appshunter.io/developer/556544131) | [Zac Gorak](https://appshunter.io/developer/916419489) |

## What reviewers say

### 1 / f Clock

[App page](https://appshunter.io/ios/app/1-f-clock/id730286100)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Split Flap

[App page](https://appshunter.io/ios/app/split-flap/id1498259010)

This utility app displays the time with an elegant split-flap design. It offers customizable themes, supports various time formats, and includes optional sound and seconds display.

**Highlights:** Split-flap time display, Customizable themes, 24-hour and 12-hour formats, Optional seconds display, Sound options, Open source

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1 / f Clock free?

1 / f Clock is free to download, with in-app purchases available.

### Is Split Flap free?

Split Flap costs $0.99, with no in-app purchases.

### Do 1 / f Clock or Split Flap have ads?

Neither 1 / f Clock nor Split Flap shows ads.

### Which is updated more often, 1 / f Clock or Split Flap?

1 / f Clock ships an update every 7 months, and Split Flap every 17 months. Most recently, 1 / f Clock was updated on October 7, 2026 and Split Flap on October 1, 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.*