# ClockU vs Split Flap

The clearest difference is in-app purchases: ClockU at none against Split Flap's 1. ClockU also leads on update cadence (every 2 days vs monthly). Split Flap's advantage is device support (4 vs 2) and iOS requirement (17.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Split Flap sells 1 one-off in-app purchase. ClockU asks for nothing beyond the download.

ClockU ships an update every 2 days, Split Flap monthly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ClockU | Split Flap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/split-flap-flip-clock-board/id6761210836/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | — | Free |
| Size | 6 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Ori Roniger](https://appshunter.io/developer/1157647076) | [Hello Good Day LLC](https://appshunter.io/developer/1720039558) |

## What reviewers say

### ClockU

[App page](https://appshunter.io/ios/app/clocku-social-alarm-clock/id1157647077)

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

**In-app purchases:** none


### Split Flap

[App page](https://appshunter.io/ios/app/split-flap-flip-clock-board/id6761210836)

Transform your devices into a retro split-flap display. Enjoy various modes like clock, weather, messages, and timers with satisfying mechanical sounds. Customize your display with unique themes and patterns across all your Apple devices.

**Highlights:** Split-flap display simulation, Multiple display modes (Clock, Weather, Message, Timer), Customizable themes and flip patterns, Lock Screen and Home Screen widgets, Cross-platform support (iPhone, iPad, Mac, Apple TV), Satisfying mechanical sound effects, StandBy mode integration

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SplitFlap Premium | $1.99 | one-time |


## Frequently asked questions

### Is ClockU free?

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

### Is Split Flap free?

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

### Do ClockU or Split Flap have ads?

Neither ClockU nor Split Flap shows ads.

### Which is updated more often, ClockU or Split Flap?

ClockU ships an update every 2 days, and Split Flap monthly. Most recently, ClockU was updated on November 11, 2026 and Split Flap on October 31, 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.*