# First Light vs WorldTime Calendar

The clearest difference is update cadence: WorldTime Calendar at daily against First Light's every 5 days. WorldTime Calendar also leads on device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. First Light sells 4 in-app purchases, starting at $0.99 per 7 days and WorldTime Calendar sells 3 in-app purchases, starting at $0.39 per month. Whichever you choose, the download price is not the number that matters.

First Light ships an update every 5 days, WorldTime Calendar daily. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | First Light | WorldTime Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Size | 137 MB | 10 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Kessler](https://appshunter.io/developer/1885842930) | [均 周](https://appshunter.io/developer/6780701711) |

## What reviewers say

### First Light

[App page](https://appshunter.io/ios/app/first-light-alarm-clock/id6761784812)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| First Light Premium (Weekly) | $0.99 | per 7 days |
| First Light Premium — Annual | $13.99 | per year |
| First Light Premium (Yearly) | $19.99 | per year |
| First Light Alarm Premium | $29.99 | one-time |


### WorldTime Calendar

[App page](https://appshunter.io/ios/app/worldtime-calendar/id6780894412)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorldTime Pro Monthly | $0.39 | per month |
| WorldTime Pro Half-Year | $1.49 | per 6 months |
| WorldTime Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is First Light free?

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

### Is WorldTime Calendar free?

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

### Do First Light or WorldTime Calendar have ads?

Neither First Light nor WorldTime Calendar shows ads.

### Which is updated more often, First Light or WorldTime Calendar?

First Light ships an update every 5 days, and WorldTime Calendar daily. Most recently, First Light was updated on October 28, 2026 and WorldTime Calendar 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.*