About
Commit to a 100-day fitness challenge by tracking daily habits like workouts, nutrition, and activity. Monitor your progress with tools for logging weight, body fat, and photos. Connect with friends for accountability and friendly competition.
What's New in 100 Days Locked In
2.3
October 6, 2026
Added analytics for app tracking and testing.
Developer apps
FAQ
What is 100 Days Locked In?
100 Days Locked In is a health and fitness app designed to help users commit to and track a 100-day fitness challenge. It focuses on daily habit tracking and provides tools for progress monitoring and social accountability.
What kind of habits can I track with 100 Days Locked In?
You can track essential fitness habits such as workouts, cardio, daily steps, macro intake, abstaining from alcohol, and progress check-ins. The app helps turn these into a daily score to gauge your commitment.
Does 100 Days Locked In offer progress tracking tools?
Yes, 100 Days Locked In includes progress tools to log body weight, body fat percentage, progress photos, and personal notes. It allows you to monitor your consistency over the 100-day period.
Can I connect with friends on 100 Days Locked In?
Yes, the app features social tools that allow you to follow friends, join groups, and view leaderboards. You can share progress photos and maintain accountability without making all your information public.
Is 100 Days Locked In suitable for beginners?
The app is built for small private groups, early fitness challenges, and anyone seeking a straightforward method to stay accountable for 100 days. It provides a structured approach to fitness goals.
What devices does 100 Days Locked In support?
Currently, 100 Days Locked In is available on iPhone. It is designed to run on iOS devices.
How often is 100 Days Locked In updated?
The latest version of 100 Days Locked In is 2.2, which was last updated on August 31, 2026. This indicates a recent update, suggesting ongoing development and support.
Does 100 Days Locked In have ads?
No, 100 Days Locked In does not contain advertisements. The app is free to download and use without any ad interruptions.
