# UTC NOW vs Calmity

The clearest difference is in-app purchases: UTC NOW at none against Calmity's 2. UTC NOW also leads on ads (none vs shown). Calmity's advantage is update cadence (every 2 weeks vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calmity sells 2 in-app purchases, starting at $9.99 per month. UTC NOW asks for nothing beyond the download.

UTC NOW ships an update every 4 months, Calmity every 2 weeks. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | UTC NOW | Calmity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 34 MB | 17 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masashi Yasaka](https://appshunter.io/developer/1748151382) | [Hatching Point LLC](https://appshunter.io/developer/1860158157) |

## What reviewers say

### UTC NOW

[App page](https://appshunter.io/ios/app/utc-now/id6503170187)

Easily convert UTC dates and times to your local time, and vice versa. This utility app features a simple interface and a small file size for efficient use. It offers ad-free functionality.

**Highlights:** UTC to local time conversion, Local time to UTC conversion, Simple interface, Small file size, Ad-free experience

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

**In-app purchases:** none


### Calmity

[App page](https://appshunter.io/ios/app/calmity/id6759583328)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $9.99 | per month |
| Yearly Premium | $59.99 | per year |


## Frequently asked questions

### Is UTC NOW free?

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

### Is Calmity free?

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

### Do UTC NOW or Calmity have ads?

Calmity shows ads; UTC NOW does not.

### Which is updated more often, UTC NOW or Calmity?

UTC NOW ships an update every 4 months, and Calmity every 2 weeks. Most recently, UTC NOW was updated on October 18, 2026 and Calmity on October 16, 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.*