# Roster Buddy vs Request Kalender

The clearest difference is price: Request Kalender at Free against Roster Buddy's $3.99. Request Kalender also leads on update cadence (every 3 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Request Kalender is free to download; Roster Buddy costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Roster Buddy ships an update every 3 weeks, Request Kalender every 3 days. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Roster Buddy | Request Kalender |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Paid | — |
| Size | 47 MB | 1 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Flohr](https://appshunter.io/developer/325312592) | [Lukas Kessler](https://appshunter.io/developer/6792858520) |

## What reviewers say

### Roster Buddy

[App page](https://appshunter.io/ios/app/roster-buddy/id1295116511)

Easily follow the flight schedules of multiple crew members. Requires an invitation from a Roster Genie user. This one-time purchase supports app development and server costs.

**Highlights:** Follow multiple crew member rosters, Requires invitation from Roster Genie user, One-time purchase, Supports aviation app development, Covers server costs

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

**In-app purchases:** none


### Request Kalender

[App page](https://appshunter.io/ios/app/request-kalender/id6792858518)

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Roster Buddy free?

Roster Buddy costs $3.99, with no in-app purchases.

### Is Request Kalender free?

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

### Do Roster Buddy or Request Kalender have ads?

Neither Roster Buddy nor Request Kalender shows ads.

### Which is updated more often, Roster Buddy or Request Kalender?

Roster Buddy ships an update every 3 weeks, and Request Kalender every 3 days. Most recently, Roster Buddy was updated on September 25, 2026 and Request Kalender on September 23, 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.*