Stackd vs StudyRank

This is a simple study timer app that allows you to record and manage your study time by subject. Simply measure your time with the timer and save it. You can also log sessions manually or add entries for past dates. You can record everything together, including subjects, study materials, pages, and notes. You can view the big picture of your studies by checking your subject balance with weekly graphs and reviewing your progress streaks on the calendar. No ads, no social media features, and no account registration required. All data is saved on your device, so there are no privacy concerns. Perfect for anyone who wants to focus on learning, from exam preparation to certifications and language studies. [Main Features] - 3 timer modes (Stopwatch, Countdown, Pomodoro) - Management of subjects, materials, pages, and notes - Weekly graphs to check subject balance (bar chart & donut chart) - Calendar to visualize study days with color-coding - Display of consecutive study days (streaks) - Daily study reminder - Backup and data export functions [Stackd Pro (One-time purchase)] - Monthly graphs and cumulative line graphs - Setting weekly goals and checking achievement rates - 9 color themes - Home screen and lock screen widgets

Studying is more fun with friends. StudyRank helps you focus, track every hour you study, and turn your progress into a friendly competition — so you actually want to sit down and get to work. Start a focus session, log your hours, and watch your stats, streaks and level climb. Add friends to see who studies more each week, and keep each other motivated. FOCUS TIMER - Pomodoro-style timer or an open stopwatch - Live Activity + Dynamic Island keep your session on your Lock Screen - A gentle notification when your focus session is done - Log past sessions manually anytime YOUR STATS - Study time for today, this week, this month and all time - Clean charts and a study heatmap - Build a daily streak and never break the chain - Earn XP and level up for every minute you focus COMPETE WITH FRIENDS - Add friends and climb the weekly leaderboard - Weekly 1-on-1 duels — whoever studies the most wins - Create or join study groups - See who's studying right now STAY MOTIVATED - Unlock achievements as you hit milestones - Home Screen widgets for your stats, leaderboard and duel - A daily study reminder to keep the habit going Sign in with Apple to back up your progress and sync across your devices. Your data stays private — we never sell it. Whether you're studying for exams, finals and midterms, or just building a better study habit, StudyRank keeps you focused and motivated. Download it, invite a friend, and see who comes out on top this week. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/