SaneScroll vs Arca
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SaneScroll
Learn new topics with personalized, bite-sized lessons instead of endless scrolling. Engage with content at your own pace, read or listen hands-free, and build a consistent learning habit with daily goals and streaks.
- Personalized bite-sized lessons
- Voice narration for hands-free listening
- Daily streak tracking
- Customizable learning topics
- Progress tracking
- Build learning habits
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Instead of mindlessly scrolling through social media, spend a few minutes learning something that actually matters to you. SaneScroll delivers personalized, bite-sized lessons on any topic you care about. How it works: • Choose a topic you want to learn about • Get a series of short, engaging lessons • Read at your own pace or listen hands-free with voice narration • Track your daily streak and build a learning habit Why SaneScroll: • Lessons are generated specifically for you — not recycled content • Listen mode reads lessons aloud so you can learn on the go • Daily goals and streaks keep you motivated • New lessons are always being added as you progress Take back control of your screen time. Scroll less. Learn more. Live better. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Arca
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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 off). Tap it to open that day's lesson. Small, medium and large sizes, plus extra large on iPad. A FREE FIRST WEEK For seven days from installation, read one lesson a day from seven genres: science, space, psychology, philosophy, nature, history and earth. The lessons you open stay with you to reread. 365 DAYS OF THE GENRE YOU LOVE Six packs are available now: SCIENCE 365: physics, biology, chemistry and discovery. SPACE 365: from the Moon to the edge of the universe. PSYCHOLOGY 365: how minds notice, decide and remember. NATURE 365: forests, oceans, the body and everyday wonders. HISTORY 365: how everyday things came to be. EARTH 365: climate, land, oceans and the systems that connect them. The day you buy is Day 1, and a new lesson and artwork open every day. Lessons you have opened stay available anytime. Each pack is a one-time purchase. Not a subscription, nothing renews. Philosophy is in production and coming soon. CHECKED FACTS Numbers, dates and names are checked against sources. Where science has no answer yet, the lesson says so. QUIET BY DESIGN No account. No ads, analytics or tracking. What you read and your settings stay on your device. Available in 10 languages: English, Japanese, Korean, Chinese (Simplified and Traditional), Spanish, French, German, Portuguese and Italian. Lessons are translated too. Terms of Use: https://akiaki1984-alt.github.io/app-legal/arca/terms/ Privacy Policy: https://akiaki1984-alt.github.io/app-legal/arca/privacy/
Screenshots
Verdict
The clearest difference is update cadence: Arca at every 3 days against SaneScroll's fortnightly. SaneScroll's advantage is iOS requirement (16.4 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. SaneScroll sells 2 in-app purchases, starting at $4.99 per month and Arca sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
SaneScroll ships an update fortnightly, Arca every 3 days. Both last shipped on October 31, 2026.
| Parameter | SaneScroll | Arca |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 26.4 |
| Further details — not scored | ||
| Size | 58 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Amine Kettani | kazunari aoki |
In-app purchases
SaneScroll
- SaneScroll Pro (Monthly)$4.991 Month
- SaneScroll Pro (Annual)$39.991 Year
Arca
- EARTH 365$5.99
- HISTORY 365$5.99
- PSYCHOLOGY 365$5.99
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- SCIENCE 365$5.99
- NATURE 365$5.99
- SPACE 365$5.99





