# Muster Army Builder vs Birthdays

The clearest difference is update cadence: Muster Army Builder at every 3 days against Birthdays's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Muster Army Builder sells 1 one-off in-app purchase and Birthdays sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Muster Army Builder ships an update every 3 days, Birthdays every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Muster Army Builder | Birthdays |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 7 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JAMES ROBERT DE RUYTER](https://appshunter.io/developer/6786275348) | [MURATHAN ORAN](https://appshunter.io/developer/6783514032) |

## What reviewers say

### Muster Army Builder

[App page](https://appshunter.io/ios/app/muster-army-builder/id6786288983)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Muster Pro | $4.99 | one-time |


### Birthdays

[App page](https://appshunter.io/ios/app/birthdays-reminder-and-widget/id6786918162)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Birthday Premium | $1.99 | one-time |


## Frequently asked questions

### Is Muster Army Builder free?

Muster Army Builder is free to download, with in-app purchases available.

### Is Birthdays free?

Birthdays is free to download, with in-app purchases available.

### Do Muster Army Builder or Birthdays have ads?

Neither Muster Army Builder nor Birthdays shows ads.

### Which is updated more often, Muster Army Builder or Birthdays?

Muster Army Builder ships an update every 3 days, and Birthdays every 3 weeks. Most recently, Muster Army Builder was updated on October 28, 2026 and Birthdays on October 31, 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.*