RainVis vs Cobalt Weather
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RainVis
Visualize detailed weather data with customizable forecasts. Track rain, temperature, wind, tides, and solunar timing in one view. Ideal for outdoor planning and coastal activities.
- Customizable forecast metrics
- Visual hourly previews
- Expandable hourly charts
- Coastal planning tools
- Rain-focused forecast
- Current conditions
- Radar with history
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RainVis turns detailed weather data into a visual forecast you can understand at a glance. Build your own forecast by choosing the details that matter most to you. Instead of jumping between separate hourly, daily, wind, rain, tide, and radar screens, RainVis lets you customize the forecast view around your plans. Track rain chance, accumulation, temperature, wind, gusts, humidity, pressure, dew point, cloud cover, tide height, tidal coefficient, and solunar timing in one visual forecast. Expand any day to inspect the hourly chart, compare multiple metrics together, and see when conditions line up. RainVis is especially useful for coastal fishing, boating, surfing, and outdoor planning, where the best window often depends on more than one number. Add tide and solunar details to your forecast to see tide movement, coefficient, moon timing, and major/minor activity periods alongside weather. Features: - Build-your-own forecast with customizable metrics - Compact daily forecast cards with visual hourly previews - Expandable hourly charts for rain, temperature, wind, gusts, humidity, pressure, dew point, cloud cover, tide, and solunar data - Coastal planning tools with tide height, tidal coefficient, NOAA tide source labels, moon data, and solunar activity periods - Rain-focused forecast showing chance, amount, timing, and accumulation - Current conditions for searched cities, saved places, or your current location - Radar with recent NEXRAD reflectivity history - iOS widgets for quick glanceable forecasts - Optional RainVis account for syncing Pro access across devices RainVis works immediately without signup. Free users can view the core visual forecast experience. RainVis Pro unlocks deeper planning features, including 15-day forecast trends, extended hourly forecast charts, longer radar history where available, live activities, and account-based access across iOS and web. Weather forecasts and coastal conditions can change quickly. Always follow official alerts and emergency guidance from the National Weather Service, NOAA, and local authorities. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rainvis.com/privacy
Cobalt Weather
This app provides hyper-localized weather forecasts and real-time data from personal weather stations. Its interface dynamically changes color based on current conditions, offering detailed charts and severe weather alerts. Users can connect personal weather stations for live, custom readings.
- Dynamic color-coded interface
- Hour-by-hour and 10-day forecasts
- Minute-by-minute rain predictions
- Personal weather station integration
- Interactive weather charts
- Severe weather alerts
- Customizable widgets
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Cobalt is a fast, uncluttered weather app that takes its color from the conditions and puts your own backyard readings right next to the forecast. Open it on a clear afternoon and it is warm and bright. Open it in a thunderstorm and the whole interface shifts. Every screen, chart, and detail sheet is colored by the weather it is describing, in both light and dark mode. FORECASTS • Hour-by-hour and 10-day forecasts, with separate daytime and overnight conditions for every day • Minute-by-minute rain for the next hour where available, so you know when it starts and when it stops • Interactive charts for precipitation, temperature, wind, and atmosphere • Feels like, humidity, dew point, UV index, visibility, cloud cover, pressure, and air quality • Sunrise, sunset, daylight remaining, moonrise, moonset, and moon phase • Tap any day or any hour for a full detail sheet, colored by that day's own forecast SEVERE WEATHER • Official watches, warnings, and advisories, pinned above the forecast • Color-coded by severity, with the exact window each one covers YOUR OWN STATION • Connect an Ambient Weather, Ecowitt, Davis, or Tempest station in a couple of minutes • Live temperature, humidity, wind speed, gusts, direction, rain, and pressure • Rain totals by rate, day, week, month, year, and current event • Station screens take their color from your own sensors, not the regional forecast MADE TO BE YOURS • Save your places and your station, and switch between them with a tap • Jump to your current location instantly • Hide any reading or card you don't need on the forecast page • A forecast widget on your home screen that stays current without opening the app • Pick your own units • Follow your system theme or lock it to light or dark • Made for iPhone Duo and iPad: fills every screen, open or closed COBALT PLUS Cobalt is free, with no account and no sign-in. Cobalt Plus is an optional subscription that adds: • Alerts on your phone: severe weather at up to three saved places, rain about to start, a daily briefing, and limits you set on your own station's readings • An Apple Watch app with the forecast or your own station's readings, and 12 complications for your watch face • Lock Screen widgets on your iPhone with the same readings • A full forecast widget instead of the basic one, up to 3 station widgets, and updates every 30 minutes, not every 2 hours • History: chart any reading from one saved place and up to two stations over the last day, week, month, or year • Your station compared with the forecast, reading by reading, and how the forecast has changed since yesterday • Up to 10 saved places and as many stations as you like (Free includes 2 places and 1 station) • Every extra sensor your station has, from extra temperature channels to soil, lightning, and leak sensors, each one renamable, like Kitchen or Garden Cancel any time. If Plus ends, nothing is deleted for 90 days. PRIVACY Your station credentials are stored in your device's Keychain and are sent only to fetch your own readings. Location is used only to show you the weather where you are. SOMETHING WRONG? Cobalt is made by one person, and I would genuinely rather hear about a problem than have you put up with it. Tell me what happened and what phone you're on: Nick@NickSaulino.com. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: RainVis at every 2 days against Cobalt Weather's weekly. RainVis also leads on ratings volume (3 vs 1). On price, rating, review sentiment and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. RainVis sells 2 in-app purchases, starting at $1.99 per month and Cobalt Weather sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for RainVis against 5.0 for Cobalt Weather. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
RainVis ships an update every 2 days, Cobalt Weather weekly. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.
| Parameter | RainVis | Cobalt Weather |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Brian Hakel | Nicholas Saulino |
Customer experience
RainVis
Cobalt Weather
In-app purchases
RainVis
- RainVis Pro Monthly$1.991 Month
- RainVis Pro Annual$14.991 Year
Cobalt Weather
- Monthly$1.991 Month
- Annual$19.991 Year
Questions
Is RainVis free?
Is Cobalt Weather free?
Which has better reviews, RainVis or Cobalt Weather?
Do RainVis or Cobalt Weather have ads?
Which is updated more often, RainVis or Cobalt Weather?
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