# 24doors | Advent calendars vs BlueWatch for Bangle.js

The clearest difference is iOS requirement: 24doors | Advent calendars at 16.4 against BlueWatch for Bangle.js's 18. 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.

24doors | Advent calendars ships an update weekly, BlueWatch for Bangle.js every 9 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 24doors | Advent calendars | BlueWatch for Bangle.js |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bluewatch-for-banglejs/id6769088559/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free | Free |
| Size | 69 MB | 10 MB |
| Requires iOS | **16.4** | 18 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Inventas GmbH](https://appshunter.io/developer/1580211648) | [Hari Rajan](https://appshunter.io/developer/1884039131) |

## What reviewers say

### 24doors | Advent calendars

[App page](https://appshunter.io/ios/app/24doors-advent-calendars/id1580211646)

Count down to Christmas with daily surprises like games, facts, crafts, and recipes. Create your own digital advent calendars for friends, family, or customers with unlimited creative options.

**Highlights:** Daily surprises (games, facts, crafts, recipes), Christmas countdown timer, Create custom digital advent calendars, Unlimited design creativity, Support for companies, influencers, and individuals, Team support for calendar creation

**In-app purchases:** none


### BlueWatch for Bangle.js

[App page](https://appshunter.io/ios/app/bluewatch-for-banglejs/id6769088559)

This open-source companion app enables native integration of your Bangle.js 2 smartwatch with iOS. It supports web Bluetooth for app loading and connection, pushing weather, location, and health data to Apple Health.

**Highlights:** Native iOS integration for Bangle.js 2, Web Bluetooth app loader, Web Bluetooth connection, Weather data push, Location data push, GPS functionality for watch, Health data sync to Apple Health

**In-app purchases:** none


## Frequently asked questions

### Is 24doors | Advent calendars free?

24doors | Advent calendars is free to download, with no in-app purchases.

### Is BlueWatch for Bangle.js free?

BlueWatch for Bangle.js is free to download, with no in-app purchases.

### Do 24doors | Advent calendars or BlueWatch for Bangle.js have ads?

Neither 24doors | Advent calendars nor BlueWatch for Bangle.js shows ads.

### Which is updated more often, 24doors | Advent calendars or BlueWatch for Bangle.js?

24doors | Advent calendars ships an update weekly, and BlueWatch for Bangle.js every 9 days. Most recently, 24doors | Advent calendars was updated on October 6, 2026 and BlueWatch for Bangle.js on October 24, 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.*