Kosse

Utilities

Only for iPhone

Free · In‑App Purchases

iPhone

Kosse is a dedicated countdown and milestone tracking tool designed for users who need a structured, log-based system to manage significant dates and long-term plans. Unlike general calendars or basic countdown apps that offer simple reminders, Kosse employs a "Fit Session Log" framework to categorize events by project, track progress through specific milestones, and provide detailed historical summaries. This approach is built specifically for individuals managing complex timelines like exam preparation, fitness transformations, or recurring anniversaries that require more than a single notification. Many users find that standard reminders or notes apps fail to capture the momentum of a long-term goal or the weight of a recurring memory, leaving them with a cluttered list of dates but no sense of progress. Kosse solves this by treating every important date as a "Training Project," allowing you to input specific action names, target milestones, and intended durations for each plan. Please note that while the core utility is accessible, additional visual theme cards and specific archive features require the use of in-app coins. By converting a static date into a dynamic "Workout Runner" with rest timers and system sound cues, the app ensures that your countdown is an active engagement rather than a passive observation. You log the entry, set the repeat interval, and the system generates a structured timeline that tracks your progress from the first day to the final milestone. The interface utilizes a "Pearl Date Timeline" aesthetic, featuring mist-white and glass-silver tones to keep the focus on your data without the distraction of social feeds or AI-generated noise. You can upload progress photos to create a visual record of your journey or use the "Cold White Training Ring" and "Energy Orange" themes to distinguish between professional deadlines and personal celebrations. Every entry is stored locally, providing a secure "Archive Summary" where you can review your history or repeat successful routines for future plans. Kosse is a utility for those who value the clarity of a well-organized history and the precision of a future plan.

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The developer, Mack Marleis, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Purchases
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Mack Marleis
Size
  • 13.2 MB
Category
  • Utilities
Compatibility
Requires iOS 14.0 or later.
  • iPhone
    Requires iOS 14.0 or later.
  • iPod touch
    Requires iOS 14.0 or later.
Languages
  • English
Age Rating
18+
  • 18+
  • Contains
    Messaging and Chat
    User-Generated Content
In-App Purchases
Yes
  • Kosse Credit8 $4.99
  • Kosse Credit9 $11.99
  • Kosse Credit13 $6.99
  • Kosse Credit12 $3.99
  • Kosse Credit11 $79.99
  • Kosse Credit10 $49.99
  • Kosse Credit7 $1.99
  • Kosse Credit5 $99.99
  • Kosse Credit6 $0.99
  • Kosse Credit4 $49.99
Copyright
  • © 2026 Kosse Team