# Bughouse Clock vs Flag

The clearest difference is in-app purchases: Bughouse Clock at none against Flag's 1. Bughouse Clock also leads on iOS requirement (16.6 vs 18.6). Flag's advantage is update cadence (every 2 days vs every 40 months). On price, ads and device support there is nothing between them.

Both are free to download. Flag sells 1 one-off in-app purchase. Bughouse Clock asks for nothing beyond the download.

Bughouse Clock ships an update every 40 months, Flag every 2 days. The most recent releases landed on June 4, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Bughouse Clock | Flag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bughouse-clock/id1627143209/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 0 MB | 51 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Isaiah Clemons](https://appshunter.io/developer/1627143211) | [Anton Voropaiev](https://appshunter.io/developer/1817040513) |

## What reviewers say

### Bughouse Clock

[App page](https://appshunter.io/ios/app/bughouse-clock/id1627143209)

This application provides a synchronized chess clock designed specifically for the Bughouse chess variant. It features two clocks displayed simultaneously on a single screen, ideal for this unique two-player, two-board game.

**Highlights:** Synchronized clocks, Single-screen display, Bughouse chess variant focus, Free to use, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Flag

[App page](https://appshunter.io/ios/app/flag-chess-clock-and-timer/id6767051898)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flag Pro | $4.99 | one-time |


## Frequently asked questions

### Is Bughouse Clock free?

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

### Is Flag free?

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

### Do Bughouse Clock or Flag have ads?

Neither Bughouse Clock nor Flag shows ads.

### Which is updated more often, Bughouse Clock or Flag?

Bughouse Clock ships an update every 40 months, and Flag every 2 days. Most recently, Bughouse Clock was updated on June 4, 2026 and Flag on September 13, 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.*