# Stormlo

> Stormlo (iPhone/iPad app by Maddisys Limited.)

- Source: https://appshunter.io/ios/app/stormlo/id6776538126 (this page in markdown: same URL + `.md`)
- Developer: [Maddisys Limited](https://appshunter.io/developer/399854564)
- Category: Weather
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 6 MB
- Languages: English
- Released: 2026-06-11
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/stormlo/id6776538126/reviews.md

## What is Stormlo?

Stormlo gives you the weather you actually need — clean current conditions, a scrubbable rain radar, deep meteograms, and serious meteorological depth one tap away.

Today
• Current temperature, feels-like, and conditions
• Hourly strip for the next 24 hours
• 7-day outlook with rain probability, max/min, and UV
• Sunrise / sunset / pressure / humidity / wind

Radar
• High-resolution rain radar with smooth scrubbable playback
• Past 2 hours plus short-term forecast frames
• Global coverage via RainViewer

Forecast
• Hourly meteogram: temperature, precipitation probability, wind
• Day-by-day breakdown with precipitation totals, UV, wind
• Multi-model comparison: stack ECMWF, GFS, ICON, UKMO, MeteoFrance and JMA on a single chart — see which models agree

Alerts
• Live severe-weather alerts via the US National Weather Service
• Clear "all clear" state when nothing's active for your area
• Pull to refresh, tap for full alert detail

Settings
• Choose your units: Celsius/Fahrenheit, km/h/mph/m/s/knots, hPa/inHg/mbar
• Open the supporting site, privacy policy, terms, and support

Sources
• Forecast: Open-Meteo (multi-model, free, global)
• Radar: RainViewer (global composite)
• Alerts: US NWS

Stormlo Pro
The core app is free. Stormlo Pro is an optional auto-renewable subscription:
• Stormlo Pro (Monthly) — billed every 1 month
• Stormlo Pro (Yearly) — billed every 1 year
Prices are shown in the app before you purchase. Payment is charged to your Apple Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours prior to the end of the period. You can manage or cancel your subscription any time in your Apple Account settings.

Terms of Use (EULA): https://app.maddisys.co.uk/terms
Privacy Policy: https://app.maddisys.co.uk/privacy

No ads. No tracking SDKs.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Stormlo Pro Monthly | $4.99 | per month |
| Stormlo Pro Yearly | $29.99 | per year |



## Version history (last 3 releases)

### 1.0.5 — 2026-07-02

• Compare weather models out to their full range — up to 16 days — with pinch-to-zoom, pan and quick 1/3/7-day views.
• The model chart now clearly shows day, date and time; tap any point for each model's exact value.
• Rotate your phone for a full-width chart.
• Streamlined the Forecast tab, plus general refinements.

### 1.0.1 — 2026-06-14

• New Apple Watch app — a scrubbable rain radar centred on your current location, with crown-driven time scrubbing and zoom.
• Tap any day in the 7-day forecast to expand its hour-by-hour breakdown.
• Stability and polish across the radar and forecast.

### 1.0 — 2026-06-12

No release notes.

## More apps by Maddisys Limited

- [Lightning](https://appshunter.io/ios/app/lightning/id523498241)
- [Pollenix — Pollen Tracker](https://appshunter.io/ios/app/pollenix-pollen-tracker/id6761479394)
- [LetterBloom](https://appshunter.io/ios/app/letterbloom/id6761479683)
- [CapDo — Smart Lists](https://appshunter.io/ios/app/capdo-smart-lists/id6761645803)
- [Uveli — UV Index Tracker](https://appshunter.io/ios/app/uveli-uv-index-tracker/id6761688818)
- [Cufflo — Blood Pressure Log](https://appshunter.io/ios/app/cufflo-blood-pressure-log/id6761773136)

All apps by Maddisys Limited: https://appshunter.io/developer/399854564

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*