Rain Gauge App & Dark Sky Tech

Review by eFreeware

Most weather apps answer a vague question: will it rain? That is useful if you are deciding whether to carry an umbrella. Rain Gauge App & Dark Sky Tech is built to fill a narrower, more specific job: keeping a rainfall record rather than offering a general forecast.

The app is free to install, with ads and in-app purchases present. It has been on Google Play since May 26, 2020, has passed 100,000 installs and holds a 3.9 average from 8,018 ratings. The name nods to Dark Sky, the weather service Apple absorbed, and the app leans on that lineage while adding its own rainfall record.

A rain gauge that never needs emptying

The core of the app is a virtual rain gauge. For your exact location you get hourly and daily rainfall totals, and a color-coded calendar shows how much fell on any given day. There is no bucket to check, which is the practical appeal: the record builds itself.

An interactive rainfall map lets you tap and hold anywhere to see the total at that point, so you are not limited to where you happen to be standing. Wind, precipitation type and rain versus snow or sleet appear for the past 24, 48 or 72 hours. Measurements can be shown in inches or millimeters, which matters if you work with either convention.

The feature I would expect to matter most to anyone managing more than one piece of land is the ability to compare rain totals across saved locations. A grower with several fields, a property manager with scattered sites or a crop advisor with multiple clients can keep a rainfall log for each one in a single place instead of juggling separate records.

Looking back at any date

Time Machine is the part that turns this from a live gauge into an archive. It provides rainfall history for any past date, which is the kind of record that is awkward to reconstruct after the fact. If you need to know what fell during a specific week last season, or how a particular month compared with the one before, the app is designed to answer that directly.

This is one of the features reserved for Premium Club, which the developer describes as a one-time purchase with no subscription and no auto-renewal. That structure is worth noting because recurring weather subscriptions are common, and paying once for a defined set of extras is a different proposition from paying monthly forever. The free tier covers the radar map plus forecasts by the hour and day.

When rain starts and stops, to the minute

Beyond the gauge, the app handles the forward-looking side. Minute-by-minute rain forecasts aim to tell you when precipitation will begin and end at your location, which is the sort of precision that matters for a school run, a dog walk, a game or a job that cannot be paused halfway through. Fifteen-minute forecasts are part of the paid tier.

Custom alerts are built around your own thresholds. You choose the values and the hours for rain, wind, frost, UV and other conditions, rather than accepting whatever a developer decided was worth flagging. Alerts can be based on live measurements from stations near you rather than forecasts alone, which matters if you care about what is happening now instead of what a model expects.

Two forecast engines sit behind the app: Apple WeatherKit, which the developer presents as Dark Sky technology pushed further, and Foreca, described as among the most accurate providers worldwide. You can compare both and keep whichever works better where you live. That is an unusual amount of choice for a weather app, and it acknowledges that forecast quality varies by region.

Storms, stations and the wider picture

The app also carries a full set of weather layers: live radar, hurricane tracks, lightning strikes, satellite cloud cover, wind, air quality, pollen in limited regions, UV index, pressure and sea temperature. Charts for temperature, precipitation, wind and air quality are zoomable, and home-screen widgets can be customized. Community Reports add a shared map where real people post live weather.

Live station observations are the other half of the picture. Current conditions and precipitation come from the nearest official weather stations, which grounds the app in measured data rather than model output. On Wear OS, the app offers current conditions, next-hour rain, hourly and five-day forecasts, charts and a local radar map, along with a Tile and a temperature Complication.

What you need before you start

The app removes the need for a physical gauge. You install it, and the rainfall record is assembled for you.

The app is free to download and carries ads, with in-app purchases available. Premium Club is a one-time purchase rather than a subscription, and it covers Time Machine rainfall history, minute rain notifications, custom alerts, fifteen-minute forecasts, air quality forecasts, the lightning layer, next-hour rain alerts and community report notifications. If you want the historical rainfall record specifically, that sits behind the purchase.

Who gets the most from this

The clearest fit is anyone whose work or hobby depends on knowing how much water landed on a specific patch of ground. Farmers, ranchers and growers checking whether a field needs irrigation, whether soil is dry enough for machinery, or whether conditions suit spraying, planting or harvest are the audience named first. Gardeners, lawn-care crews, landscapers, construction sites and stormwater managers appear in the same list, along with hay growers, vineyards, orchards and crop advisors keeping records for multiple locations.

A second group will care about the minute-level rain timing more than the gauge itself. If your day is shaped by short outdoor windows, knowing when rain starts and stops is the feature you will open the app for, and the station-based alerts add a layer of grounding to that.

The app is less obviously aimed at someone who simply wants a general forecast and a radar view. Those are present, but the rainfall record, the multi-location comparison and the historical archive are where the design effort clearly went. If your interest is in what the sky will do tomorrow in broad terms, a general-purpose weather app covers that ground with less to configure.

A rain record worth keeping

The virtual gauge, the color-coded calendar, the tap-and-hold map and the ability to compare saved locations together form a rainfall record that would otherwise take a physical gauge and a notebook to assemble. The two forecast engines and the station-based alerts give the forward-looking side more credibility than a single-source app typically offers.

The trade-offs are straightforward. The app is free but ad-supported and includes in-app purchases, and the rainfall history that gives the app its name sits in the paid tier rather than the free one. The 3.9 average across more than 8,000 ratings suggests a solid but not universally loved reception, which is worth weighing if you are particular about interface details.

I would point this at people who manage land, water or outdoor work and want a rainfall log without installing equipment: growers, property managers, landscapers, construction crews and serious gardeners with more than one spot to watch. If you fall into that group, the combination of a self-maintaining gauge and a rewindable history is the reason to install it. If you just want tomorrow's forecast, the free tier will do, but the app's real value sits further in.

What's new

🌍 Community Reports! See live weather reported by real people on a shared map. 💧Rain Gauge & Rainfall Data: Curious how much rain your area got? ⌚ Hyperlocal Weather for your Wear OS smartwatch. 🔔 Custom Notifications. • Air Quality forecast. • Climate Normals. • Hurricane tracking layer included to the map with details.