# Binary O'Clock vs Split Flap

The clearest difference is in-app purchases: Binary O'Clock at none against Split Flap's 1. Split Flap's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

Binary O'Clock ships an update every 3 weeks, Split Flap monthly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Binary O'Clock | 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 3 weeks** | Monthly |
| Monetization | — | Free |
| Size | 8 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone, iPad, Mac, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Backslashed](https://appshunter.io/developer/499276703) | [Hello Good Day LLC](https://appshunter.io/developer/1720039558) |

## What reviewers say

### Binary O'Clock

[App page](https://appshunter.io/ios/app/binary-oclock/id1166356115)

**Features:** Apple Watch app, 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 Binary O'Clock free?

Binary O'Clock 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 Binary O'Clock or Split Flap have ads?

Neither Binary O'Clock nor Split Flap shows ads.

### Which is updated more often, Binary O'Clock or Split Flap?

Binary O'Clock ships an update every 3 weeks, and Split Flap monthly. Most recently, Binary O'Clock was updated on October 29, 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.*