# thoughtbot/Tropos

Weather and Forecasts for Humans

Repository: https://github.com/thoughtbot/Tropos
Canonical: https://ross.abutalabs.com/products/tropos
Language: Swift
License: MIT
License Family: permissive
Topics: ios, swift
Last push: 2021-09-24T16:03:55+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 4283, "days_push": 1804, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1501, forks 195 (observed 2026-08-28T04:04:54.324707+00:00)

## What it is
Tropos is an open-source iOS weather app by thoughtbot that answers 'what does it feel like outside?' by comparing current conditions to the same time yesterday. It is written in Swift and available on the App Store.

## Use cases
- check what the weather feels like compared to yesterday
- open-source iOS weather app to study
- human-friendly weather forecasts on iPhone
- example Swift app using ReactiveCocoa and Forecast.io API

## When to choose
- you want a human-oriented weather app on iOS
- you want to learn from a well-structured Swift iOS codebase

## When to avoid
- you need weather on Android or the web
- you need actively maintained software (last release 2021)

## Facets
- artifact type: application
- maturity: maintenance
- function: gui
- domain: weather, mobile-development
- platform: -
- tags: weather-app, forecast, open-source-ios-app, ios-tools, ios, swift, mobile

## Member repositories
- thoughtbot/Tropos (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:54.324707+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:32:57.675860+00:00, confidence not recorded.
  - readme: https://github.com/thoughtbot/Tropos (fetched 2026-08-28T04:04:54.324707+00:00, sha 504c0f4c0e2c)
- Data as of 2026-08-30T08:39:29.467469+00:00.