Mastery Timer
Arjun Gupte
No ratings yetProductivityAges 4+
Screenshots
About this app
Mastery Timer turns the time you spend getting good at something into visible progress. Pick the skills you want to master. Writing, reading, an instrument, a language, a sport, meditation, anything. Give each one a daily goal, and fill its bar a little more every day. Every minute counts toward the bigger picture: the path to 10,000 hours of mastery. As your hours add up you rise through 25 ranks, from your very first session to true mastery, and the app tells you something new at every single hour. Not only at the milestones, every hour. What is shifting in your craft, what you have unlocked, how far you have come. No points to lose. No guilt. No streaks that punish you for a missed day. Lifetime hours and ranks only ever go up. If you skip a day, a streak simply starts again, quietly. Mastery Timer is built for years of use, not for a quick hit. Features - Create as many skills as you want, each with its own daily goal - A clean bar you fill each day, with a gentle gong when you reach your goal - A lifetime mastery view: your hours, your current rank, and encouragement that changes every hour - Tailored progress for each kind of skill, from writing to music to fitness - Fully offline and private. Your practice stays on your device. No account, no data collected - A calm, distraction free design The work is the point. Mastery Timer just makes the hours add up where you can see them.
What's new
Version 1.0.4 · Jul 21, 2026
Ending a session is now easy to find. There is a clear End session button on each running skill and in the focus view, so finishing your practice is always one obvious tap. Plus small refinements under the hood.
In-app purchases
The most popular purchases on the App Store.
- FriendsConsumable$39.00
More from Arjun Gupte
You might also like
Evolution: 10,000 Hour TrackerShaun Kapla
MyHour: 10,000 HoursERIC BRANDT TRACY
10000 Hours TrackerNathaniel Garrett Davis
10,000 HoursNatsukiktst Sato
Undone - 待办提醒金苹 卢
Plain and Simple ThoughtsPlain and Simple Solutions LLC
Caché: Save & Organize LinksDENIS DULE
ツミアゲ - 目標貯金・貯金チャレンジJIAPENG Zhao
Wasteless -AI productivity appJakub Rana
Alarma y rutinas TDAH: Not YetLars Keggenhoff