Comparison

Studii vs marrow

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

Head to head
About

Studii

Features
Read full description

Turn your scrolling habit into a learning superpower. Studii is the world’s first TikTok-style micro-learning app with two ways to learn: Brainrot Mode for fast, high-energy, dopamine-heavy lessons Study Mode for calm, focused, distraction-free learning Every topic becomes a 2-minute AI-generated micro-lesson you learn by swiping—just like your favorite short-form apps. LEARN WHILE YOU SCROLL Forget textbooks. Learn the stuff you actually want - AI, tech, finance, entrepreneurship, certifications, career skills - through fast, swipeable videos built for your attention span.     •    Swipe through mini-courses     •    Learn in bite-sized episodes     •    Switch between Brainrot or Study Mode anytime Learning finally fits the way you actually use your phone. WHY STUDII?     •    Two learning modes for any mood: fast or focused     •    Mini-courses tailored to your interests     •    Vertical, swipeable lesson format     •    Designed for busy schedules and short attention spans     •    Learn anywhere: lineups, breaks, bus rides, late-night scrolls Studii makes education feel like social media—only productive. HOW IT WORKS     •    Swipe up to watch your next lesson     •    Choose your mode: Brainrot or Study     •    Explore courses built just for you     •    Discover trending lessons on the Explore page     •    Learn anything in two minutes or less FEATURES     •    New content added constantly by our AI pipeline; based on user feedback     •    Personalized Explore page with trending lessons     •    Dual-mode viewing (Brainrot and Study) for every lesson     •    Clean, smooth, modern interface     •    Progress tracking and learning streaks WHO IS STUDII FOR?     •    Students who want to learn smarter, not harder     •    Busy people who only have minutes, not hours     •    Lifelong learners who prefer scrolling over studying     •    Anyone who wants learning to be fast, fun, and frictionless FROM DOOMSCROLLING TO UPSKILLING You already scroll - now scroll something that actually makes you smarter. Studii transforms short-form habits into real knowledge. Download Studii today and start learning in two minutes.

About

marrow

Features
Read full description

marrow is a feed of ideas worth keeping. Instead of an endless scroll of noise, you move through short, self-contained explanations (one concept per screen) across computer science, finance, math, and science. Each card explains a single idea in a few sentences: why appending to a dynamic array is O(1) on average, what the Rule of 72 estimates, and dozens more. Some cards ask you a question first. Reveal the answer, then tell marrow how well you knew it. The ones you find hard come back sooner; the ones you already know drift further out. That is spaced repetition, built into the scroll, so the ideas you want to keep actually stick. - One idea per screen, made for short sessions - Four domains: computer science, finance, math, and science - Self-grading with spaced repetition, so reviews return at the right time - Fully offline: no account, no ads, no tracking. Your progress stays on your device. Scroll to learn.

Screenshots

Studii4 screens
marrow4 screens

Verdict

The call

The clearest difference is update cadence: marrow at every 3 days against Studii's weekly. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Studii ships an update weekly, marrow every 3 days. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 5 level
Studii versus marrow: the parameters behind the verdict, then further details
ParameterStudiimarrow
PriceFreeFree
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size40 MB40 MB
Age rating12+4+
DeveloperChengkai XuePratyush Saxena

In-app purchases

None

Studii

No in-app purchases

None

marrow

No in-app purchases

Questions

Is Studii free?
Studii is free to download, with no in-app purchases.
Is marrow free?
marrow is free to download, with no in-app purchases.
Do Studii or marrow have ads?
Neither Studii nor marrow shows ads.
Which is updated more often, Studii or marrow?
Studii ships an update weekly, and marrow every 3 days. Most recently, Studii was updated on October 6, 2026 and marrow on October 14, 2026.

Other comparisons