# iwis impulse vs Glattmosphere

iwis impulse and Glattmosphere are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iwis impulse | Glattmosphere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 87 MB | 84 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iwis SE & Co. KG](https://appshunter.io/developer/1403276145) | [GLATT GmbH](https://appshunter.io/developer/1725461340) |

## What reviewers say

### iwis impulse

[App page](https://appshunter.io/ios/app/iwis-impulse/id1592664470)

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

**In-app purchases:** none


### Glattmosphere

[App page](https://appshunter.io/ios/app/glattmosphere/id6475960923)

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

**In-app purchases:** none


## Frequently asked questions

### Is iwis impulse free?

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

### Is Glattmosphere free?

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

### Do iwis impulse or Glattmosphere have ads?

Neither iwis impulse nor Glattmosphere shows ads.

### Which is updated more often, iwis impulse or Glattmosphere?

iwis impulse ships an update fortnightly, and Glattmosphere fortnightly. Most recently, iwis impulse was updated on October 25, 2026 and Glattmosphere on October 24, 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.*