Comparison

플랜친구 vs Study On

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

Head to head
About

플랜친구

Features
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Plan Buddy is a study planner that brings your tasks, study time, timetable, grades, and academic schedule together in one place. Choose between Korean and General study modes to match your learning environment. Records from each mode are managed independently, so your subjects, tasks, timetable, grades, and study history stay organized without being mixed together. Key Features • Manage daily tasks and upcoming exams • View assignments and exams on a calendar • Track study time and subject-based statistics • Stay focused with study and Pomodoro timers • Create a weekly timetable with custom class times • Record exam names, scores, maximum scores, and notes • Add and manage your own subjects • Keep Korean and General study records separate • Use the app in Korean or English • Check today’s progress with widgets • Back up and restore your study records Korean Mode provides tools designed for Korean school life, including school timetables, grades, academies, and vacation periods. General Mode lets you create subjects, class schedules, exams, and grade records without being limited to a specific country or school system. Plan your day, stay focused, and build a consistent study routine with Plan Buddy.

About

Study On

Features
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Your perfect study mate, Study On! The most intuitive and complete study planner app for everyone running toward their goals. Gather your scattered school timetables, academy schedules, and daily assignments all in one place! Our smart timer keeps you from getting distracted, and the ranking system with friends will definitely keep you motivated. With Study On, boring study sessions turn into an exciting quest. [ Study On's Special Core Features ] 1. Smart Calendar & Timetable at a Glance • Clearly separate and manage your regular school classes and academy/tutoring schedules. • Flexibly adjust everything from your macro exam plans to today's detailed timeline with support for monthly, weekly, and daily views. • Easily register and manage recurring academy schedules or regular study sessions all at once. 2. Block Distractions! Pure Focus Timer • Accurately measure your "pure" focus time today with our intuitive stopwatch and timer features. • Helps you put your smartphone away and completely immerse yourself in your studies. • Your daily measured focus time is meticulously recorded in the calendar, allowing you to review and reflect on your study patterns anytime. 3. ZERO Missed Assignments! Today's Quests & D-Days • Automatically categorizes all approaching deadlines—like performance assessments, school homework, academy assignments, and materials to prepare—into the "Today's Quests" list. • Maintain your focus by checking the remaining days for important midterms, finals, mock exams, and college entrance exams every day through the D-Day banner on the main dashboard. • Convert what you've learned into long-term memory with the review quest feature, tailored perfectly to the Ebbinghaus Forgetting Curve. 4. Weekly Study Rankings with Friends • Register study mates in real-time by sharing your unique friend code. • A real-time TOP 3 ranking among friends is displayed on your dashboard based on this week's "accumulated study time." • Get twice the motivation and positive study stimulation compared to studying alone! 5. Customize Your Own Aesthetic Planner • Earn coins and EXP (Experience) by checking in daily, completing quests, and achieving your target study times! • Use your collected coins in the shop to unlock various planner background textures (like grid paper, vintage drawing paper, etc.). • Decorate your one-and-only, unique planner with a variety of free custom fonts and aesthetic stickers. 6. Perfect Sync Between iPhone & iPad (iCloud Support) • Lightly check your quests on your iPhone while on the go, and set up in-depth study plans on your iPad's wide screen at your desk! • Supports real-time syncing between devices via Apple iCloud and Firebase, providing the optimal, seamless study environment anytime, anywhere. 7. Quick Memo to Capture Brilliant Ideas • Provides a "Quick Memo" canvas accessible right from the home screen without any complex steps. • Instantly type and safely store ideas that suddenly pop up while studying, important appointments, or urgent notes. Study On sincerely cheers on your fierce and hardworking days. Download now and start your very own shining study record!

Screenshots

플랜친구4 screens
Study On4 screens

Verdict

The call

The clearest difference is ads: 플랜친구 at none against Study On's shown. 플랜친구 also leads on update cadence (every 3 days vs every 2 weeks). Study On's advantage is iOS requirement (17.6 vs 26.4). On price, 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

플랜친구 ships an update every 3 days, Study On every 2 weeks. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 3 level
플랜친구 versus Study On: the parameters behind the verdict, then further details
Parameter플랜친구Study On
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.417.6 — better
Further details — not scored
Size4 MB113 MB
Age rating4+4+
Developercheonhee leeMoon Su Choi

In-app purchases

None

플랜친구

No in-app purchases

None

Study On

No in-app purchases

Questions

Is 플랜친구 free?
플랜친구 is free to download, with no in-app purchases.
Is Study On free?
Study On is free to download, with no in-app purchases.
Do 플랜친구 or Study On have ads?
Study On shows ads; 플랜친구 does not.
Which is updated more often, 플랜친구 or Study On?
플랜친구 ships an update every 3 days, and Study On every 2 weeks. Most recently, 플랜친구 was updated on October 9, 2026 and Study On on October 6, 2026.

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