Comparison

Instash vs KnowScroll

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Instash

Features
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Stop mindless scrolling. Start learning in minutes. Instash turns your daily scroll into something meaningful. Explore curated β€œstashes” of short, powerful lessons across psychology, philosophy, finance, productivity, and more. Designed for modern attention spans, each lesson is clear, concise, and built to stick.

About

KnowScroll

Features
Read full description

You meant to check your feed for 5 minutes and lost an hour. Knowscroll keeps the swipe and changes what is on the card: full-screen Wikipedia articles, one after another. Choose the languages and topics you care about, then open the feed. Each card shows an article's lead image, title, and summary. Tap it to read the full piece. The For You tab learns from the cards you read, like, and save, then mixes in more of what holds your attention. Knowledge in 13 languages Wikipedia has millions of articles. Knowscroll draws from 13 editions: English, Vietnamese, Japanese, French, German, Spanish, Chinese (Simplified and Traditional), Korean, Portuguese, Thai, Indonesian, and Hindi. The free plan can follow 2 languages at a time; Premium unlocks all 13. 15 topics cover history, science, technology, philosophy, geography, literature, art, music, film, health, sports, religion, mathematics, society, and food. The same topic through another culture Compare cards place an article and its counterpart from another language edition side by side. On the free plan they appear every 5 to 8 cards. Premium brings one every 2 to 4. Test what you remember Trivia turns articles into 5 questions with 4 answers each. Play the daily set, or answer questions drawn from pieces you have already read. Premium unlocks Trivia. Keep what you want to read again Double-tap a card to bookmark it. The free plan keeps up to 10; Premium removes the limit. Search helps when you want a specific subject instead of a surprise. Free, with a one-time upgrade It is free to download, and ads keep it that way. Premium is a single purchase: it removes ads, unlocks Trivia and all 13 languages, lifts the bookmark limit, and shows Compare cards every 2 to 4 cards. Your data No account, no sign-up. Bookmarks and preferences stay on your device. On iPhone you can back them up to iCloud and restore them on another device. Requires iOS 16.4 or later. Download Knowscroll and give your next scroll something worth reading. Privacy Policy: https://blueducklabs.xyz/apps/knowscroll/privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Instash4 screens
KnowScroll4 screens

Verdict

The call

The clearest difference is in-app purchases: Instash at none against KnowScroll's 1. Instash also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.4). On price, update cadence and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. KnowScroll sells 1 one-off in-app purchase. Instash asks for nothing beyond the download.

UpkeepUpdate frequency

Instash ships an update every 10 days, KnowScroll every 8 days. Both last shipped on October 31, 2026.

Scorecard3 real differences Β· 3 level
Instash versus KnowScroll: the parameters behind the verdict, then further details
ParameterInstashKnowScroll
PriceFreeFree
Update frequencyEvery 10 daysEvery 8 days β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPod β€” betteriPhone
Requires iOS13.0 β€” better16.4
Further details β€” not scored
Size7 MB74 MB
Age rating4+4+
DeveloperTanishq JainVu Viet Duc

In-app purchases

None

Instash

No in-app purchases

1 purchases

KnowScroll

One-time1
  • Lifetime Premium$49.99

Questions

Is Instash free?
Instash is free to download, with no in-app purchases.
Is KnowScroll free?
KnowScroll is free to download, with in-app purchases available.
Do Instash or KnowScroll have ads?
KnowScroll shows ads; Instash does not.
Which is updated more often, Instash or KnowScroll?
Instash ships an update every 10 days, and KnowScroll every 8 days. Most recently, Instash was updated on October 31, 2026 and KnowScroll on October 31, 2026.

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