Record daily wins in calendar and timeline views. Review past images and notes by date.
02
Choose 3 Difficulty Levels
Pick Normal, Hard, or Extreme Mode. Keep it light or make the challenge serious.
03
Never Forget with Alerts and Widgets
Recommended notifications and home screen widgets support your habit even when the app is closed.
Three Modes for How You Continue
Choose reset rules that match the weight of each habit.
self_improvement
NORMAL
Normal Mode
The basic mode for stacking recorded days. Best when you want to build momentum without pressure.
local_fire_department
HARD
Hard Mode
Miss two days in a row and reset to DAY0. Built for people who want real tension.
EXTREME
Extreme Mode
Miss even one day and reset to DAY0 the next day. The strictest mode for creating a reason to act today.
EXTREME MODE
Extreme Mode closes the exits.
In Extreme Mode, selected apps can be blocked until today’s habit is completed. Limit the apps you open automatically and make finishing today’s habit the first step.
Supports iOS Screen Time / Family Controls
Everything That Helps You Keep Going
Recommended Notifications
Notification times and messages are optimized for Normal, Hard, and Extreme Mode. Stricter modes push harder.
Home Screen Widgets
Check progress without opening the app. Pro unlocks weekly and monthly premium widgets.
Cloud Storage and Transfer
Images added to records can be stored in the cloud. Use a transfer code to move habits, notes, and images to a new device.
DAY100 Pro
Unlock 4+ habits, multiple Extreme Mode habits, and premium widgets for managing several goals at once.
Frequently Asked Questions
What kind of habit app is DAY100?
DAY100 is an iPhone habit app for tracking small daily actions for 100 days. You can review progress in a calendar and keep going with notifications, widgets, and app blocking.
Can I use DAY100 for free?
Yes. You can download DAY100 for free and use 100-day tracking and the basic features. DAY100 Pro unlocks 4+ habits, multiple Extreme Mode habits, premium widgets, and more.
What is the difference between Normal, Hard, and Extreme Mode?
Normal Mode stacks your recorded days. Hard Mode resets to DAY0 after two missed days in a row. Extreme Mode resets to DAY0 the next day if you miss even one day.
What can app blocking do in Extreme Mode?
In Extreme Mode, selected apps can be blocked until today’s habit is completed. It supports iOS Screen Time / Family Controls and helps you finish the habit first.
Can notifications and widgets help me avoid forgetting records?
Yes. Recommended notifications and home screen widgets help you keep going for 100 days even when the app is closed. Notifications are tuned to your selected mode.
Can I transfer habits, records, notes, and images to a new phone?
Yes. You can use a transfer code to move habits, records, notes, and images to your next device. Images added to records can also be stored in the cloud.
What can I review in the timeline?
The timeline lets you review past images and notes for each habit by date. You can switch between calendar and timeline views to look back on your 100-day record.
