# Lett Norge vs Unison FM

The clearest difference is iOS requirement: Unison FM at 16.4 against Lett Norge's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Lett Norge ships an update monthly, Unison FM every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Lett Norge | Unison FM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 42 MB | 56 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [LETT Sweden AB](https://appshunter.io/developer/1678071916) | [Kanpla](https://appshunter.io/developer/1500582658) |

## What reviewers say

### Lett Norge

[App page](https://appshunter.io/ios/app/lett-norge/id6446580399)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unison FM

[App page](https://appshunter.io/ios/app/unison-fm/id6739345956)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lett Norge free?

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

### Is Unison FM free?

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

### Do Lett Norge or Unison FM have ads?

Neither Lett Norge nor Unison FM shows ads.

### Which is updated more often, Lett Norge or Unison FM?

Lett Norge ships an update monthly, and Unison FM every 3 weeks. Most recently, Lett Norge was updated on November 3, 2026 and Unison FM on November 4, 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.*