# RETIF vs Viken

The clearest difference is update cadence: Viken at every 6 months against RETIF's every 60 months. Viken also leads on iOS requirement (11.0 vs 16.0). 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.

RETIF ships an update every 60 months, Viken every 6 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | RETIF | Viken |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 60 months | **Every 6 months** |
| Size | 83 MB | 64 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GROUPE RETIF DEVELOPPEMENT](https://appshunter.io/developer/839583831) | [VIKEN Viken](https://appshunter.io/developer/1754272935) |

## What reviewers say

### RETIF

[App page](https://appshunter.io/ios/app/retif/id1098242578)

**Features:** macOS Compatibility

**In-app purchases:** none


### Viken

[App page](https://appshunter.io/ios/app/viken/id6504894957)

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

**In-app purchases:** none


## Frequently asked questions

### Is RETIF free?

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

### Is Viken free?

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

### Do RETIF or Viken have ads?

Neither RETIF nor Viken shows ads.

### Which is updated more often, RETIF or Viken?

RETIF ships an update every 60 months, and Viken every 6 months. Most recently, RETIF was updated on September 10, 2026 and Viken on September 17, 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.*