Study On vs Hako
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Study On
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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 β’ Clearly separate and manage your regular school classes and academy/tutoring schedules. β’ Flexibly adjust everything from your macro exam plans to today's detailed timeline with support for monthly, weekly, and daily views. β’ Easily register and manage recurring academy schedules or regular study sessions all at once. 2. Block Distractions! Pure Focus Timer β’ Accurately measure your "pure" focus time today with our intuitive stopwatch and timer features. β’ Helps you put your smartphone away and completely immerse yourself in your studies. β’ 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 β’ Automatically categorizes all approaching deadlinesβlike performance assessments, school homework, academy assignments, and materials to prepareβinto the "Today's Quests" list. β’ 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. β’ 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 β’ Register study mates in real-time by sharing your unique friend code. β’ A real-time TOP 3 ranking among friends is displayed on your dashboard based on this week's "accumulated study time." β’ Get twice the motivation and positive study stimulation compared to studying alone! 5. Customize Your Own Aesthetic Planner β’ Earn coins and EXP (Experience) by checking in daily, completing quests, and achieving your target study times! β’ Use your collected coins in the shop to unlock various planner background textures (like grid paper, vintage drawing paper, etc.). β’ 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) β’ 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! β’ 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 β’ Provides a "Quick Memo" canvas accessible right from the home screen without any complex steps. β’ 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!
Hako
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Find your focus. Keep it. Hako is a calm study timer that makes focus feel less lonely. Study on your own, with a friend, or in a room full of people working toward the same thing β and see your hours add up. STUDY YOUR WAY β’ A focus timer with Pomodoro, Animedoro, Ultradian and more, or open-ended free study β’ Subjects, tasks and exam countdowns, all in one place β’ Ambient sounds β rain, forest, stream and fire β that keep playing with the screen locked β’ A Live Activity and widgets, so your session is always a glance away β’ Ten calm color themes, from Japanese indigo to matcha green BETTER TOGETHER β’ See which friends are studying right now and join them β’ Study Together: start a shared session with a friend and keep each other on track β’ Study rooms for up to 30 people, with a shared timer, chat and assignments β’ Weekly challenges and leaderboards with your friends SEE YOUR PROGRESS β’ Daily goals, streaks and a clear picture of where your time goes β’ Session summaries with your focus time and notes STAY ON TASK β’ Optional Study blocking uses Screen Time to shield distracting apps while a session runs. You choose what stays allowed, and your selection never leaves your device. EVERYTHING IS FREE Every feature in Hako is free β no subscription, nothing locked: β’ Animated study scenes for your timer, rooms and friends β’ Your own study techniques with custom study and break rhythms β’ Detailed statistics: your best hours and days, a yearly heatmap, and time by subject β’ Compare your stats side by side with a friend β’ Widgets: study heatmap, stats and deadlines β’ Plenty of room for subjects, tasks, countdowns and rooms Terms of Use: https://hakostudy.com/terms Privacy Policy: https://hakostudy.com/privacy
Screenshots
Verdict
The clearest difference is ads: Hako at none against Study On's shown. Hako also leads on update cadence (every 5 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Study On ships an update every 2 weeks, Hako every 5 days. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.
| Parameter | Study On | Hako |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 5 days β better |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, Mac β better |
| Requires iOS | 17.6 β better | 18.0 |
| Further details β not scored | ||
| Size | 113 MB | 25 MB |
| Age rating | 4+ | 12+ |
| Developer | Moon Su Choi | MAHMAD GUMAURI |
In-app purchases
Study On
No in-app purchases
Hako
No in-app purchases









