FLUTTER ECOSYSTEM

vicolo-dev/chrono

A modern and powerful clock, alarms, timer and stopwatch app for Android!

View on GitHub ↗

Stars: 1.8K
Forks: 94
Last push (UTC): Jan 13, 2025
Project status: Active

GITHUB Organization

Vicolo ↗

LanguagesDartKotlinPython

Technical topics

# alarm # alarm-clock # android # clock # stopwatch # timer

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Dependencies used

Dependency list 56 items

flutter{"sdk":"flutter"}
flutter_boot_receiver^1.1.0
flutter_localizations{"sdk":"flutter"}
intlany
timezone^0.9.1
timer_builder^2.0.0
path_provider^2.0.11
path^1.8.2
sqflite^2.2.2
flutter_slidable^3.1.0
flutter_system_ringtones^0.0.6
android_alarm_manager_plus{"git":{"url":"https://github.com/AhsanSarwar45/plus_plugins","path":"packages/android_alarm_manager_plus","ref":"alarm_show_intent"}}
just_audio^0.9.31
awesome_notifications^0.9.3
audio_session^0.1.13
flutter_fgbg^0.3.0
move_to_background^1.0.2
vibration^1.7.6
get_storage^2.1.1
queue^3.1.0+2
table_calendar^3.0.8
vector_math^2.1.4
fuzzywuzzy^1.1.2
flutter_show_when_locked^0.0.4
flex_color_picker{"git":{"url":"https://github.com/vicolo-dev/flex_color_picker","ref":"master"}}
url_launcher^6.2.2
flutter_html^3.0.0-beta.2
http^0.13.6
introduction_screen^3.1.12
app_settings^5.1.1
auto_start_flutter^0.1.1
package_info_plus^6.0.0
receive_intent^0.2.5
watcher^1.1.0
dynamic_color^1.7.0
material_color_utilities^0.8.0
flutter_oss_licenses^3.0.2
locale_names^1.1.1
home_widget{"git":{"url":"https://github.com/AhsanSarwar45/home_widget","ref":"main","path":"packages/home_widget/"}}
permission_handler^11.3.1
device_info_plus^10.1.0
flutter_foreground_task{"git":{"url":"https://github.com/vicolo-dev/flutter_foreground_task","ref":"master"}}
logger^2.4.0
flutter_animate^4.5.0
quick_actions^1.0.7
file_picker^8.0.7
background_fetch^1.3.7
clock^1.1.1
mime^1.0.6
analog_clock^0.1.1
animated_analog_clock^0.1.0
flutter_testDevelopment{"sdk":"flutter"}
flutter_lintsDevelopment^3.0.1
dart_code_metricsDevelopment^5.5.1
change_app_package_nameDevelopment^1.1.0
dependency_validatorDevelopment^3.2.3

App categories

Tools & Utilities

Original README

English project snapshot. Visit GitHub for the latest content.

Expand / collapse project README

https://raw.githubusercontent.com/vicolo-dev/chrono/HEAD/icon.png

Chrono

A modern and powerful clock, alarms, timer and stopwatch app for Android!

alt text

tests codecov Codacy Badge Translation status Patreon donate button

Translation status

Get it on F-Droid Get it on IzzyOnDroid Get it on Github

Its usable, but still WIP, so you might encounter some bugs. Make sure to test it out thorougly on your device before using it for critical alarms. Feel free to open an issue.

Features

Modern and easy to use interface
Available in variety of languages

Alarms

Customizable schedules (Daily, Weekly, Specific week days, Specific dates, Date range)
Configure melody/ringtone, rising volume and vibrations
Configure Snooze length, max snoozes and other snooze behaviour
Option to auto delete dismissed alarms and skip alarms
Alarm tasks (Math problems, Retype text, Sequence, more to come)
Dial, spinner and text time pickers
Filter and sort alarms
Add tags

Clock

Customizable clock display
World clocks with relative time difference
Search and add cities

Timer

Support for multiple timers
Configure melody/ringtone, rising volume and vibrations
Timer presets
Option to fullscreen a timer
Dial and spinner duration pickers
Filter and sort timers
Add tags

Stopwatch

Lap history with lap times and elapsed times
Lap comparisons (fastest, slowest, average, previous)

Appearance

Material You icons and themes
Highly customizable color themes
Highly customizable style themes
Other options like animations, nav bar styles, time picker styles

Platforms

Currently, the app is only available for android. I don't have an apple device to develop for iOS, but feel free to contribute if you want iOS support. The alarm and timer features use android-only code, so that will need to be ported. Everything else should mostly work fine.

Contribute

All contributions are welcome, whether creating issues, pull requests or translations.

Issues

Feel free to create issues regarding any issues you might be facing, any improvements or enhancements, or any feature-requests. Try to follow the templates and include as much information as possible in your issues.

Pull Requests

Pull Requests are highly welcome. When contributing to this repository, please first discuss the change you wish to make via an issue. Also, please refer to Effective Dart as a guideline for the coding standards expected from pull requests.

Translations

You can help translate the app into your preferred language using weblate at https://hosted.weblate.org/projects/chrono/.

Translation status

Current progress:

Translation status

Spread the word!

If you found the app useful, you can help the project by sharing it with friends and family.

Donate

The amount of time I can given to the app is bound by financial constraints. Donations will really help allow me in giving more and more time to the development of this app.

Patreon donate button

Our generous patreons

Potato @potatocinna
Thorsten @th23x

Development

This app is built using flutter. To start developing:

Follow this guide to install flutter and all required tools.
Run the app by flutter run --flavor dev. For production builds, use flutter build apk --release --split-per-abi --flavor prod.

Todo

Stuff I would like to do soon™. In no particular order:

Alarms
- Alarm reliability testing system
- Vibration patterns
- Alternative time picker interfaces
- Array alarms (alarm that will ring after set interval (10 minutes etc.)
- More tasks
Color schemes
- More prebuilt themes
- Filter
- Tags
- Icon colors
Theme
- Icon themes
- Font themes
- System fonts
Timer
- Alternative duration picker interfaces
Widgets
- Clock
- Clock faces
- Alarms
- Timers
- Stopwatch
- Customization

Screenshots

https://raw.githubusercontent.com/vicolo-dev/chrono/HEAD/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png https://raw.githubusercontent.com/vicolo-dev/chrono/HEAD/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png https://raw.githubusercontent.com/vicolo-dev/chrono/HEAD/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png https://raw.githubusercontent.com/vicolo-dev/chrono/HEAD/fastlane/metadata/android/en-US/images/phoneScreenshots/4.png https://raw.githubusercontent.com/vicolo-dev/chrono/HEAD/fastlane/metadata/android/en-US/images/phoneScreenshots/5.png