# iWeatherMap vs Stormlo

The clearest difference is in-app purchases: iWeatherMap at none against Stormlo's 2. iWeatherMap also leads on iOS requirement (8.0 vs 17.0). Stormlo's advantage is update cadence (weekly vs every 2 weeks). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Stormlo sells 2 in-app purchases, starting at $4.99 per month. iWeatherMap asks for nothing beyond the download.

iWeatherMap ships an update every 2 weeks, Stormlo weekly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | iWeatherMap | Stormlo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 24 MB | 8 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Zonk Technology](https://appshunter.io/developer/726984885) | [Maddisys Limited](https://appshunter.io/developer/399854564) |

## What reviewers say

### iWeatherMap

[App page](https://appshunter.io/ios/app/iweathermap/id910479116)

Access past, present, and future weather forecasts globally with an intuitive map interface. Pinpoint specific locations and times for detailed predictions, with options for unit systems and data export.

**Highlights:** Past, present, and future weather forecasting, Interactive world map with custom location search, Date and time picker for specific forecasting, Imperial and Metric unit system options, View raw weather station data, Export forecasts via email and Dropbox

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Stormlo

[App page](https://appshunter.io/ios/app/stormlo/id6776538126)

Get detailed weather forecasts, including current conditions, hourly breakdowns, and a scrubbable rain radar. Compare multiple meteorological models and receive severe weather alerts. Customize units and access advanced features through an optional subscription.

**Highlights:** Current conditions and hourly forecasts, Scrubbable rain radar with playback, Multi-model forecast comparison, Severe weather alerts, Customizable units, Sunrise/sunset and pressure data

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stormlo Pro Monthly | $4.99 | per month |
| Stormlo Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is iWeatherMap free?

iWeatherMap is free to download, with no in-app purchases.

### Is Stormlo free?

Stormlo is free to download, with in-app purchases available.

### Do iWeatherMap or Stormlo have ads?

Neither iWeatherMap nor Stormlo shows ads.

### Which is updated more often, iWeatherMap or Stormlo?

iWeatherMap ships an update every 2 weeks, and Stormlo weekly. Most recently, iWeatherMap was updated on October 24, 2026 and Stormlo on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*