AppMarketSpy › Education › Arca: Daily Learning 365
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App info
- Developer
- kazunari aoki
- Category
- Education
- Released
- Oct 15, 2026
- Version
- 1.2.0 (Oct 23, 2026)
- Price
- Free
- Size
- 53.9 MB
- Requires
- iOS 26.4
- Age rating
- 4+
- Languages
- English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
In-app purchases
| SPACE 365 | $5.99 |
| NATURE 365 | $5.99 |
| SCIENCE 365 | $5.99 |
| PSYCHOLOGY 365 | $5.99 |
| HISTORY 365 | $5.99 |
Current prices, App Store US.
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About Arca: Daily Learning 365
Arca is 365 days of general knowledge: one short lesson a day, two or three minutes to read. Pick a genre and keep learning every day for a year, from why the sky is blue to how everyday things came to be. Each lesson comes with its own painting, and the day's lesson stays on your Home Screen as a widget. ONE IDEA A DAY Why is the sky blue? Why does the Moon always show us the same face? Why do we see what we expect to see? Each lesson starts from an everyday question and walks you to the mechanism with an everyday comparison. One clear idea per lesson, at a length you can keep up every day. ART MADE FOR EVERY LESSON Every lesson has its own cover and inline artwork that interprets the idea. Not a diagram: a picture you will want to keep on display. THE WIDGET The day's artwork fills the widget, with the date and the lesson title set in colors drawn from the painting (both can be turned…
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