Monday Lab: Night Observatory

In-app purchases
Content rating
Everyone
10+
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Content rating
Everyone
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About this app

No scores. No streaks. No improvement plans.
This observatory accepts every state you're in.

Monday Lab is a quiet place for sleepless nights.
You don't have to build a habit. You don't have to achieve anything.
If you can't open it some nights, that's perfectly fine.

Just observe your own mental fatigue, gently,
and let yourself fall asleep.


— What you do here —

Sky Check
Record tonight's mental weather with a simple symbol.
No advice. No analysis. Just a quiet observation.

Observation Tasks
Wipe a telescope lens. Collect paper scraps. Count faint stars.
Pointless tasks designed for drifting off — not for winning.

The Archive
Research documents delivered the day after you observe.
They're overwhelmingly boring. You don't have to read them.

The Breathing Ring
A gauge that shifts with your fatigue level.
Even on the worst nights, it shows a different — equally beautiful — sky.


— Midnight Observer Pass (¥480 / one-time) —

Unlocks three deeper observations:

Rain Recording — Wrapped in the sound of rain, simply passing the night.
Bonfire Watch — Staring at a flickering flame. A job that requires nothing.
Draw a Constellation — Place your own stars in the night sky, name them, display them on your home screen.


— This is not a productivity app —

There are no reminders. No push to come back.
The observatory door is open — tonight, and every night.
Come only when you feel like it.
An app you open on sleepless nights, and drift off without trying.
Updated on
Aug 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

- You can now change the text size (Settings → Display)
- Fixed an issue where the nightly notification could fail to arrive
- Fixed issues with text rendering and data backup
Content rating
Everyone
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App support

About the developer
STUDIOAINE
studio.aine.works@gmail.com
227, DAIKOKUCHO, HIGASHIIRU, ABURANOKOJI, SHICHIJODOORI, SHIMOGY NO.2 KYOTO BLDG. 402 KYOTO, 京都府 600-8223 Japan
+81 70-9511-7686