About
This app provides an offline-first daily operating system focused on behavioral clarity. It scores your day across five weighted pillars, allowing you to capture notes, complete check-ins, and review patterns over time. It's designed for users seeking a structured personal operating system beyond generic habit tracking.
What's New in Ledger OS
2.1.5
May 29, 2026
Ledger OS 2.1.5 makes the daily close clearer and faster, with a redesigned Today payoff surface, improved Report Card review, answer correction, and stronger Trends views. This update also adds visual polish and reliability improvements for local data, backup, and restore.
MoreFAQ
What is Ledger OS?
Ledger OS is an offline-first daily operating system designed for behavioral clarity. It helps users score their day across five weighted pillars, capture notes, and review daily, weekly, and biweekly patterns.
How does Ledger OS score my day?
Ledger OS scores your day based on five weighted pillars. You capture notes and complete structured daily check-ins, which contribute to your overall daily score.
Can I review my past performance with Ledger OS?
Yes, Ledger OS offers a 'Report Card' for detailed review and answer correction. The 'Summary' and 'Trends' features allow you to review daily, weekly, and biweekly patterns over time.
Does Ledger OS require an internet connection?
Ledger OS is an offline-first application, meaning it primarily operates on your device. It offers local on-device storage with backup and restore functionality.
What devices is Ledger OS available on?
Ledger OS is available on iPhone, iPad, and iPod devices.
Is Ledger OS free to use?
Yes, Ledger OS is currently free to use. It does not have in-app purchases or advertisements.
How often is Ledger OS updated?
The latest version of Ledger OS is 2.1.5, last updated on May 29, 2026. This indicates a recent update, suggesting active development and maintenance.
What is the age rating for Ledger OS?
Ledger OS has an age rating of 4+, making it suitable for a wide range of users.