StudyDay vs Studiary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StudyDay
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Study timer & focus planner for students and exam takers — track every subject, hit your study goals. StudyDay: Study Timer & Log is a simple, beautiful study tracker built for students and exam takers. Tap to start a stopwatch for any subject, stop when you're done, and your time is saved automatically. No setup, no complexity. KEY FEATURES • Subject Timer — One tap starts a stopwatch for any subject. Switch subjects anytime; the previous one stops automatically. • Pomodoro Timer — Focus and rest in turns (25 and 5 minutes by default, adjustable in Settings). You get a notification when each round ends, and tomatoes show how many rounds you finished today. • Monthly Calendar — See which days you studied at a glance. Tap any day to jump straight to the timer. • Study Stickers — After each session, pick a sticker that matches your mood. Your calendar fills up with small victories. • Detailed Statistics — View your study time by day, week, or month. A bar chart shows your weekly rhythm; a donut chart breaks down time by subject. • Manual Entry — Forgot to start the timer? Enter time directly for any subject and date. Fix or delete any record from the study log. • Subject Management — Add as many subjects as you need, each with its own color, so your data is always organized. • Dark Mode — Follows your phone's setting automatically. Easy on the eyes for late-night study. • Color Themes — Coral is always on. Pastel Blue, Green and Purple can each be unlocked for 7 days by watching a short ad. DESIGNED FOR SIMPLICITY No account required. No internet connection needed. All your data stays on your device — private, always. Whether you're preparing for an exam, tracking daily study habits, or just curious how much time you spend on each subject, StudyDay gives you the clarity you need. StudyDay is supported by ads: a banner on the Calendar and Stats screens, and an optional video ad only when you choose to unlock a color theme. Privacy Policy: https://www.junu.co.kr/terms/studytime/privacy/
Studiary
This app helps students track study time by subject and topic, with exam countdowns and manual time entry. It offers honest data on study habits without requiring an account or sending data online.
- Study time tracking by subject
- Topic breakdown within subjects
- Exam countdowns with reminders
- Manual time entry for missed starts
- Detailed study habit statistics
- Offline data storage
- Export data as spreadsheet
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Studiary times your studying, keeps it per subject, and counts down to the exam. That is the whole app. It was built for a student who wanted something simpler than everything else on the shelf, and it is deliberately small. No streaks to protect, no leaderboard, no character to feed. Just an honest record of where your hours went. A TIMER THAT SURVIVES YOUR POCKET Studiary records when you started and works the rest out from the clock. Lock your phone, switch apps, or close it entirely - not a second is lost. SUBJECTS, AND TOPICS INSIDE THEM Track Organic Chemistry, then break it down into stereochemistry, mechanisms and spectroscopy. Topics are free on every plan. EXAM COUNTDOWNS Set the date once and every screen tells you how long is left. Optional reminders arrive a week out, three days out, and the morning of. FORGOT TO HIT START? Add the time by hand. It counts exactly the same, because an app you cannot correct is one you stop trusting. HONEST NUMBERS Today, this week, all time. Which subject is eating your evenings, how long your average session really is, and the hours of the day you actually get work done. NOTHING LEAVES YOUR PHONE No account. No sign-up. No servers. Studiary has no way to see your study data, because it never sends it anywhere. WHAT IT COSTS Free: three subjects, unlimited topics, and history that never expires or locks. One payment: unlimited subjects, eight colour themes, ninety days of patterns, and export everything as a spreadsheet. No subscription. No ads. Not now, not later.
Screenshots
Verdict
The clearest difference is in-app purchases: StudyDay at none against Studiary's 1. Studiary's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Studiary sells 1 one-off in-app purchase. StudyDay asks for nothing beyond the download.
Both ship on a similar rhythm, roughly fortnightly. Both last shipped on October 31, 2026.
| Parameter | StudyDay | Studiary |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Fortnightly | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 6 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Jinyoung Lee | MATTHEW JOSEPH BRICKHAUS |
In-app purchases
StudyDay
No in-app purchases
Studiary
- Unlock everything$9.99









