CountdownClock

GreatShip OSS Dev Tools

Works on Arm x86 emulation

Get this app ↗

My List ↗

CountdownClock runs on Windows on Arm through built-in x86 emulation (Prism).

Arm support since version 1.1.49.0. Source record updated: Mar 2, 2026.

Your Arm PC

Pick your Arm PC above to see what this means for your machine.

Pick your device for a personalized verdict — saved in this browser.

Publisher: GreatShip
Type: x86 emulation
Version: 1.1.49.0
Source: Qualcomm · Source
Data updated: Mar 2, 2026

Report an update

Evidence and dates

Data updated: Mar 2, 2026
Source record updated: Mar 2, 2026
Device test date: Not recorded

Report a test

This opens a draft on GitHub. Review and submit it there. Reports require review before inclusion; a GitHub account is needed.

What this means

Install choice

CountdownClock runs through Prism. Use the current x64 or x86 build, then test heavy workflows such as sync, export, plug-ins and background services.

Read the Prism guide →

Developer workflow checks

CountdownClock belongs to a developer or engineering workflow. Verify native extensions, SDKs, database drivers and any local virtualization or container dependency.

Set up WSL on Arm →

Next step

CountdownClock is one of the compatible OSS titles. Compare it with other apps in the same category before standardizing a setup.

Browse the category →

Data freshness

Qualcomm · Source · Source record updated: Mar 2, 2026.

CountdownClock on Windows on Arm — FAQ

Does CountdownClock work on Windows on Arm (Snapdragon X)?

CountdownClock runs on Windows on Arm through built-in x86 emulation (Prism). Arm support since version 1.1.49.0. Source record updated: Mar 2, 2026.

Is CountdownClock native Arm64 or emulated?

CountdownClock runs through Prism, the x86 emulation layer built into Windows 11 on Arm. Most apps work well under emulation with a modest performance overhead compared to native Arm64 builds.

Does CountdownClock work on Snapdragon X2 Elite or NVIDIA RTX Spark?

CountdownClock is listed as compatible with Windows on Arm, so it is a candidate for Snapdragon X2 Elite and NVIDIA RTX Spark PCs. Still test device-specific pieces such as drivers, plug-ins, GPU acceleration, anti-cheat and background services.

Which version of CountdownClock added Windows on Arm support?

Compatibility is recorded from version 1.1.49.0 onward — make sure you're on that version or newer.

Compatibility overview