# Ukenummer vs Optiqo Flow

The clearest difference is update cadence: Optiqo Flow at every 3 days against Ukenummer's every 31 months. Optiqo Flow also leads on iOS requirement (15.0 vs 18.0). 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.

Ukenummer ships an update every 31 months, Optiqo Flow every 3 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Ukenummer | Optiqo Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 days** |
| Size | 3 MB | 43 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ibrahim Qraiqe](https://appshunter.io/developer/318538483) | [Optiqo](https://appshunter.io/developer/972134192) |

## What reviewers say

### Ukenummer

[App page](https://appshunter.io/ios/app/ukenummer-week-number/id668805988)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Optiqo Flow

[App page](https://appshunter.io/ios/app/optiqo-flow/id6758019316)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ukenummer free?

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

### Is Optiqo Flow free?

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

### Do Ukenummer or Optiqo Flow have ads?

Neither Ukenummer nor Optiqo Flow shows ads.

### Which is updated more often, Ukenummer or Optiqo Flow?

Ukenummer ships an update every 31 months, and Optiqo Flow every 3 days. Most recently, Ukenummer was updated on October 26, 2026 and Optiqo Flow on October 28, 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.*