# Retroaction vs MÖLKKY.

The clearest difference is iOS requirement: Retroaction at 15.1 against MÖLKKY.'s 17.0. 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.

Retroaction ships an update every 2 weeks, MÖLKKY. every 3 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Retroaction | MÖLKKY. |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Ad-supported | — |
| Size | 46 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Retroaction](https://appshunter.io/developer/1543623559) | [yuya kanbetsunawa](https://appshunter.io/developer/1597026161) |

## What reviewers say

### Retroaction

[App page](https://appshunter.io/ios/app/retroaction/id1599319114)

This app helps members of sports organizations manage their attendance for activities. Users can view team details and communicate with others through integrated chat rooms.

**Highlights:** Mark attendance, View group/team details, In-app chat rooms, Communication features

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

**In-app purchases:** none


### MÖLKKY.

[App page](https://appshunter.io/ios/app/molkky/id6779970818)

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

**In-app purchases:** none


## Frequently asked questions

### Is Retroaction free?

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

### Is MÖLKKY. free?

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

### Do Retroaction or MÖLKKY. have ads?

Both Retroaction and MÖLKKY. show ads.

### Which is updated more often, Retroaction or MÖLKKY.?

Retroaction ships an update every 2 weeks, and MÖLKKY. every 3 weeks. Most recently, Retroaction was updated on October 30, 2026 and MÖLKKY. 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.*