Liminal Time
A Different Clock
Only for iPhone
$0.99 · Designed for iPhone. Not verified for macOS.
iPhone
Pick a world. Borrow its time. A focus timer rooted in the physics of time dilation — slow down with Jupiter, near-freeze with a black hole.
What if your focus timer ran at the speed of another world?
Liminal Time is a focus and meditation timer built around one idea: every planet bends time differently. On Jupiter, time flows slower — one minute here is over 80 seconds on Earth. Near a black hole, almost nothing moves at all.
Choose your world. Borrow its time.
WORLDS
• Mercury — a brisk 1.18x push for when you need momentum
• Mars — steady 1.28x for deep, deliberate work
• Earth — back to the rhythm you already know
• Jupiter — a slow 0.72x tide for a quieter mind
• Sagittarius A* — the black hole at the center of our galaxy, 0.24x
• M87* — the most massive black hole ever imaged, nearly still at 0.10x
FEATURES
• Real-time planet clock with rotating NASA textures
• Focus countdown with an animated hourglass
• Achievement log tracking your time across worlds
• Landscape desk-ornament mode
• Millisecond precision toggle
• Full Chinese and English support
Time is the one thing you can't make more of.
But you can choose whose you borrow.
Restored the NASA planet textures, so bodies like Earth and Mercury display correctly again.
Added a confirmation step before starting a timer. Choosing a duration now shows the converted planetary time first instead of entering the countdown immediately.
Improved the timer selection transition with smoother fade and slide animations for the conversion panel, confirm button, and cancel action.
Fixed achievement tracking so session time is recorded more reliably, especially for timed sessions and when the app is interrupted or sent to the background.
Removed the unwanted glow under the main Enter button on the selection screen.
Refined the overall timer flow to feel clearer, smoother, and less prone to accidental starts.
The developer, 嘉远 李, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 嘉远 李
- Size
- 4.2 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Jiayuan Li

