# LuurISSa vs Knuut

The clearest difference is update cadence: Knuut at fortnightly against LuurISSa's every 3 months. On price, ads, 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.

LuurISSa ships an update every 3 months, Knuut fortnightly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LuurISSa | Knuut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 38 MB | 63 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ISS Palvelut Oy](https://appshunter.io/developer/1491310625) | [Knuut](https://appshunter.io/developer/1855299110) |

## What reviewers say

### LuurISSa

[App page](https://appshunter.io/ios/app/luurissa/id1661957617)

**Features:** Vision Pro support

**In-app purchases:** none


### Knuut

[App page](https://appshunter.io/ios/app/knuut/id6755654615)

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

**In-app purchases:** none


## Frequently asked questions

### Is LuurISSa free?

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

### Is Knuut free?

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

### Do LuurISSa or Knuut have ads?

Neither LuurISSa nor Knuut shows ads.

### Which is updated more often, LuurISSa or Knuut?

LuurISSa ships an update every 3 months, and Knuut fortnightly. Most recently, LuurISSa was updated on November 3, 2026 and Knuut on October 25, 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.*