# CoolFireVA vs Calendar

The clearest difference is in-app purchases: CoolFireVA at none against Calendar's 3. CoolFireVA also leads on update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Calendar sells 3 in-app purchases, starting at $7.99 per 7 days. CoolFireVA asks for nothing beyond the download.

CoolFireVA ships an update monthly, Calendar every 3 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CoolFireVA | Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/coolfireva/id1614599977/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 28 MB | 7 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [New York Standard Watch Company, LLC](https://appshunter.io/developer/828885617) | [Manuel Worlitzer](https://appshunter.io/developer/1785527240) |

## What reviewers say

### CoolFireVA

[App page](https://appshunter.io/ios/app/coolfireva/id1614599977)

Control a Bluetooth vibrating alarm clock from your phone. Set, manage, and sync alarms directly to the device. Easily add, edit, enable, or disable alarms through the app's interface.

**Highlights:** Bluetooth connectivity, Alarm management, Sync alarms to vibrator, Add, edit, enable, disable alarms, Fetch vibrator time

**In-app purchases:** none


### Calendar

[App page](https://appshunter.io/ios/app/calendar-chronos/id6752597394)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendar Chronos Premium | $7.99 | per 7 days |
| Calendar Chronos Premium | $39.99 | per year |
| Lifetime Pro | $119.99 | one-time |


## Frequently asked questions

### Is CoolFireVA free?

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

### Is Calendar free?

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

### Do CoolFireVA or Calendar have ads?

Neither CoolFireVA nor Calendar shows ads.

### Which is updated more often, CoolFireVA or Calendar?

CoolFireVA ships an update monthly, and Calendar every 3 months. Most recently, CoolFireVA was updated on November 3, 2026 and Calendar on October 25, 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.*