# IS Supersää vs ILM+

The clearest difference is ads: ILM+ at none against IS Supersää's shown. ILM+ also leads on monetization model (free vs ad-supported) and iOS requirement (15.6 vs 17.5). IS Supersää's advantage is update cadence (monthly vs every 4 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IS Supersää ships an update monthly, ILM+ every 4 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IS Supersää | ILM+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (47 ratings)](https://appshunter.io/ios/app/is-supersaa/id657765123/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 53 MB | 53 MB |
| Requires iOS | 17.5 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sanoma Media Finland](https://appshunter.io/developer/368549040) | [Keskkonnaministeeriumi Infotehnoloogiakeskus](https://appshunter.io/developer/1564878072) |

## What reviewers say

### IS Supersää

[App page](https://appshunter.io/ios/app/is-supersaa/id657765123)

Compare two weather forecasts side-by-side, with hourly and 9-day outlooks. Features include rain maps, weather warnings, and pollen forecasts for Finland. Customize with favorite locations and use home screen widgets.

**Highlights:** Side-by-side forecast comparison, Hourly and 9-day forecasts, Rain maps and observations, Weather warnings, Pollen forecasts, Favorite locations, Home screen widgets

**In-app purchases:** none


### ILM+

[App page](https://appshunter.io/ios/app/ilm-plus/id1564878070)

This national weather app provides the latest weather information, including warnings and forecasts based on your location. Users can also contribute by sharing their own weather observations, enhancing forecast accuracy. It offers radar and satellite imagery, marine weather, and ice maps.

**Highlights:** Real-time weather warnings with push notifications, Location-based weather forecasts, Observation data from monitoring stations, Radar and satellite imagery, Marine and ice weather information, User weather observations and sharing, Home screen weather widget

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

**In-app purchases:** none


## Frequently asked questions

### Is IS Supersää free?

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

### Is ILM+ free?

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

### Do IS Supersää or ILM+ have ads?

IS Supersää shows ads; ILM+ does not.

### Which is updated more often, IS Supersää or ILM+?

IS Supersää ships an update monthly, and ILM+ every 4 months. Most recently, IS Supersää was updated on October 13, 2026 and ILM+ on October 8, 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.*