Ross ROSS = Recommend OSS · open-source software intelligence for agents

vicolo-dev/chrono

A modern and powerful clock, alarms, timer and stopwatch app for Android! observed · 2026-08-28

github.com/vicolo-dev/chrono · Dart · GPL-3.0 (copyleft) observed · 2026-08-28

Health v2 · maintenance only

22/100

  • Activity 1
  • Release rhythm 8
  • Longevity 95
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 1337
  • days_rel: 605
  • days_push: 597
  • n_releases_24m: 1

Full methodology

Adoption not part of the score

1744 stars · 87 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Chrono is a modern, open-source clock application for Android offering alarms, timers, stopwatch, and world clock features. It is built with Dart/Flutter and distributed via F-Droid, IzzyOnDroid, and GitHub releases.

Use cases

  • set recurring alarms with custom schedules on android
  • use a stopwatch with lap history for workouts
  • run multiple timers with presets for cooking or studying
  • check world clocks with time differences across cities
  • require math or typing tasks to dismiss alarms
  • replace the default android clock app with a customizable one

When to choose

  • you want a free, open-source, privacy-friendly clock app on Android
  • you need highly customizable alarm schedules, snooze behavior, and alarm tasks
  • you prefer Material You theming and multi-language support
  • you want multiple timers and stopwatch lap comparisons in one app

When to avoid

  • you need an alarm app on iOS, desktop, or web - it is Android only
  • you require fully battle-tested reliability for critical alarms, as the app is still a work in progress
  • you need integration with smart home devices or wearables

Facets

application · maturity active

gui scheduling date-time developer-tools mobile-development cross-platform cross-platform alarm-clock timer stopwatch world-clock flutter material-you open-source-android-app android mobile

1 source

Member repositories

RepositoryRoleHealth v2
vicolo-dev/chronomain22

For agents

markdown · JSON · MCP: product_card(name="vicolo-dev/chrono")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem